Industry Organizations
 

AACE International	http://www.aacei.org
ABA - Forum on the Construction Industry	http://www.abanet.org/forums/construction/home.html
ABC Alabama	http://www.abc-alabama.org
ABC Alaska	http://www.abcalaska.org
ABC Arizona	http://www.azbuilders.org
ABC Arkansas	http://www.abcark.com
ABC Baltimore MD	http://www.abcbaltimore.org
ABC Carolinas	http://www.abccarolinas.org
ABC Central California	http://www.abccentralcal.org
ABC Central Florida	http://www.abccentralflorida.com
ABC Central Michigan	http://www.abccmc.org
ABC Central Ohio	http://www.centralohioabc.org
ABC Central Pennsylvania	http://www.abccentralpa.org
ABC Central Texas	http://www.abccentraltexas.org
ABC Chesapeake VA	http://www.abc-chesapeake.org
ABC Connecticut	http://www.ctabc.org
ABC Cornhusker NE	http://www.abcnebraska.org
ABC Cumberland Valley MD,PA,VA	http://www.abccvc.com
ABC Delaware	http://www.abcdelaware.com
ABC East Tennessee	http://www.abcetn.org
ABC Eastern Pennsylvania	http://www.abceastpa.org
ABC Eastern Shore MD	http://www.abceasternshore.org
ABC Empire State NY	http://www.abcnys.org
ABC Florida	http://www.abcflorida.com
ABC Florida East Coast	http://www.abcflgulf.org
ABC Florida First Coast	http://www.abcjax.com
ABC Georgia	http://www.abcga.org
ABC Golden Gate CA	http://www.abcggc.org
ABC Guam	http://www.guamcontractors.org
ABC Hawaii	http://www.abchawaii.org
ABC Heart of America KS MO	http://www.abcksmo.org
ABC Houston TX	http://www.abchouston.org
ABC Illinois	http://www.abcil.org
ABC Indiana	http://www.abc-indy.org
ABC Inland Pacific WA	http://www.ipcabc.org
ABC Iowa	http://www.abciowa.org
ABC Kentuckiana	http://www.kyanaabc.com
ABC Keystone CO	http://www.keystone.org
ABC Las Vegas NV	http://www.abclasvegas.org
ABC Los Angeles-Ventura CA	http://www.abclaventura.org
ABC Maine	http://www.abcmaine.org
ABC Massachusetts	http://www.abcma.org
ABC Michigan	http://www.abcmi.com
ABC Mid Gulf Coast AL FL	http://www.abcmidgulf.com
ABC Mid Tennessee	http://www.abctennessee.com
ABC Minnesota	http://www.mnabc.com
ABC Mississippi	http://www.msabc.net
ABC New Hampshire/Vermont	http://www.abcnhvt.org
ABC New Jersey	http://www.abcnjc.org
ABC New Mexico	http://www.abcnm.org
ABC North Florida	http://www.abcnorthflorida.com
ABC North Texas	http://www.abcnt.org
ABC Northern Michigan	http://www.abc.org/nmichigan
ABC Northern Ohio	http://www.nocabc.com
ABC Ohio Valley	http://www.ovabc.org
ABC Oklahoma	http://www.abcofoklahoma.com
ABC Pacific Northwest OR WA	http://www.abcpnw.org
ABC Pelican LA	http://www.abcpelican.org
ABC Rhode Island	http://www.abcri.org
ABC Rocky Mountain CO	http://www.abcrmc.org
ABC Saginaw Valley MI	http://www.abcsvc.org
ABC San Diego CA	http://www.abcsd.org
ABC Sierra Nevada	http://www.abcsierranv.org
ABC South Texas	http://www.abcsouthtexas.org
ABC Southeast Pennsylvania	http://www.abcsepa.org
ABC Southeast Texas	http://www.abcsetx.org
ABC Southeastern Michigan	http://www.abcsemi.com
ABC Southern California	http://www.abcsocal.org
ABC Texas	http://www.abctexas.org
ABC Texas Coastal Bend	http://www.abctcb.org
ABC Texas Gulf Coast	http://www.abctxgulfcoast.org
ABC Texas Mid-Coast	http://www.abcvictoria.vbxhosting.com
ABC Utha	http://www.abcutah.org
ABC Virginia	http://www.abcva.org
ABC Washington DC	http://www.abcmetrowashington.org
ABC West Tennessee	http://www.wtcabc.org
ABC West Virginia	http://www,abcwv.org
ABC Western Colorado	http://www.wcoabc.org
ABC Western Michigan	http://www.abcwmc.org
ABC Western Pennsylvania	http://www.abcwpa.org
ABC Western Washington	http://www.abcwestwa.org
ABC Wisconsin	http://www.abcwi.org
Abrasive Engineering Society	http://www.abrasiveengineer.com
ABV New Orleans/Bayou LA	http://www.abcbayou.org
Adhesive & Sealant Council	http://www.ascouncil.org
Advisory Council on Historic Preservation	http://www.achp.gov
Advocates for Highway & Auto Safety	http://www.saferoads.org
AEC-Science & Technology	http://www.aecst.com
AIA Akron OH	http://www.aiaakron.org
AIA Alabama	http://www.aiaalabama.com
AIA Alaska	http://www.aiaak.org
AIA Architects League of New Jersey	http://www.alnnj.org
AIA Arizona	http://www.aia-arizona.org/aiacac/index.htm
AIA Arizona Southern	http://www.aia-arizona.org/sacaia
AIA Arkansas	http://www.aiaar.org
AIA Asheville NC	http://www.aiaasheville.org
AIA Austin TX	http://www.aiaaustin.org
AIA Baltimore MD	http://www.aiabalt.com
AIA Birmingham AL	http://www.aiabham.org
AIA Blue Ridge VA	http://www.aiablueridge.org
AIA Brazos TX	http://www.aiabrazos.org
AIA Califorina Orange County	http://www.aiaoc.org
AIA Califorina Ventura County	http://www.aiavc.org
AIA California Central Coast	http://www.aiacccc.org
AIA California Central Valley	http://www.aiacv.org
AIA California Council	http://www.aiacc.org
AIA California East Bay	http://www.aiaeb.org
AIA California Inland	http://www.aiaic.org
AIA California Redwood Empire	http://www.aiare.org
AIA California Sierra Valley	http://www.aiasv.org
AIA Central New York	http://www.aiacny.org
AIA Charleston SC	http://www.aiacharleston.com
AIA Charlotte NC	http://www.aiacharlotte.org
AIA Chattanooga TN	http://www.aiachatt.org
AIA Chesapeake Bay MD	http://www.aiachesapeakebay.org
AIA Chicago IL	http://www.aiachicago.org
AIA Cincinnati OH	http://www.aiacincinnati.org
AIA Cleveland OH	http://www.aiacleveland.com
AIA Colorado	http://www.aiacolorado.org
AIA Columbia SC	http://www.aiacolumbia.org
AIA Columbus OH	http://www.aiacolumbus.org
AIA Connecticut	http://www.aiact.org
AIA Continental Europe	http://www.aiaeurope.org
AIA Corpus Christi TX	http://www.aiacorpuschristi.org
AIA Dallas TX	http://www.dallasaia.org
AIA Dayton OH	http://www.aiadayton.org
AIA Delaware	http://www.aiadelaware.org
AIA El Paso TX	http://www.aia-elpaso.org
AIA Florida	http://www.aiafla.org
AIA Florida Gulf Coast	http://www.aiafla-gulfcoast.org
AIA Florida Space Coast	http://www.aiaspacecoast.com
AIA Florida Treasure Coast	http://www.aiatreasurecoast.com
AIA Fort Worth TX	http://www.aiafortworth.org
AIA Gainsville FL	http://www.aiagainesville.org
AIA Georgia	http://www.aiaga.org
AIA Hampton Roads VA	http://www.aiahr.com
AIA Hong Kong	http://www.aiahk.org
AIA Honolulu HI	http://www.aiahonolulu.org
AIA Houston TX	http://www.aiahouston.org
AIA Illinois	http://www.aiail.org
AIA Illinois Eastern	http://www.aiaeic.org
AIA Indiana	http://www.aiaindiana.org
AIA Iowa	http://www.aiaiowa.org
AIA Jackson FL	http://www.aiajacksonville.org
AIA Japan	http://www.aiajapan.org
AIA Kansas	http://www.aiaks.org
AIA Kansas City MO	http://www.aiakc.org
AIA Kentucky	http://www.aiaky.org
AIA Kentucky Central	http://www.aia-ckc.org
AIA Las Vegas NV	http://www.aialasvegas.org
AIA London UK	http://www.aiauk.org
AIA Long Beach CA	http://www.aialb-sb.org
AIA Los Angeles CA	http://www.aialosangeles.org
AIA Louisiana	http://www.aiala.com
AIA Louisiana South	http://www.aiasouthla.org
AIA Lower Rio Grande Valley TX	http://www.lrgvaia.org
AIA Maine	http://www.aiamaine.org
AIA Maryland	http://www.aiamd.org
AIA Massachusetts	http://www.architects.org
AIA Memphis TN	http://www.aiamemphis.org
AIA Miami FL	http://www.aiamiami.com
AIA Michigan	http://www.aiami.com
AIA Mid Missouri	http://aiamid-missouri.com
AIA Minnesota	http://www.aia-mn.org
AIA Mississippi	http://www.aiams.org
AIA Missouri	http://www.aiamo.org
AIA Montana	http://www.aia-mt.org
AIA Monterey Bay CA	http://www.montereybay.org
AIA Nebraska	http://www.aiane.org
AIA Nevada	http://www.aianevada.org
AIA Nevada Northern	http://www.aiann.org
AIA New Hampshire	http://www.aianh.org
AIA New Jersey	http://www.aia-nj.org
AIA New Mexico	http://www.aianewmexico.org
AIA New Orleans	http://www.aianeworleans.org
AIA New York	http://www.aiany.org
AIA New York Eastern	http://www.aiaeny.org
AIA New York State	http://www.aianys.org
AIA Newark NJ	http://www.aians.org
AIA North Carolina	http://www.aianc.org
AIA North Dakota	http://www.northdakota.org
AIA Ohio	http://www.aiaohio.org
AIA Ohio Eastern	http://www.aiaeoc.com
AIA Oklahoma	http://www.aiaok.org
AIA Oklahoma Central	http://www.aiacoc.org
AIA Oklahoma Eastern	http://www.aiaarchitects.com
AIA Oregon Council	http://www.aia-oregon.org
AIA Oregon Southern	http://www.soaia.org
AIA Oregon Southwestern	http://www.aiaswo.org
AIA Orlando FL	http://www.aiaorlando.com
AIA Peconic NY	http://www.aiapeconic.org
AIA Pennsylvania	http://www.aiapa.org
AIA Pennsylvania Central	http://www.aiacentralpa.org
AIA Pennsylvania Eastern	http://www.aiaeasternpa.org
AIA Philadelphia PA	http://www.aiaphila.org
AIA Piedmont NC	www.aiapiedmont.org
AIA Pittsburgh PA	http://www.aiapgh.org
AIA Portland OR	http://www.aiaportland.org
AIA Potomac Valley MD	http://www.aiapvc.org
AIA Queens NY	http://www.aiaqueens.com
AIA Rhode Island	http://www.aia-ri.org
AIA Richmond VA	http://www.aiajr.org
AIA San antonio TX	http://www.aiasa.org
AIA San Diego CA	http://www.aiasandiego.com
AIA San Fernando Valley CA	http://www.aiasfv.org
AIA San Francisco CA	http://www.aiasf.org
AIA San Joaquin CA	http://www.aiasj.com
AIA San Mateo County CA	http://www.aiasmc.org
AIA Santa Barbara CA	http://www.aiasb.com
AIA Santa Clara Valley CA	http://www.aiascv.org
AIA Santa Fe NM	http://www.aiasantafe.org
AIA Savannah GA	http://www.aiasavannah.com
AIA Seattle WA	http://www.aiaseattle.org
AIA Shreveport LA	http://www.aiashreveport.com
AIA South Carolina	http://www.aiasc.org
AIA South Dakota	http://www.aiasouthdakota.com
AIA Spokane WA	http://www.aiaspokane.org
AIA Springfield MO	http://www.aiaspringfield.org
AIA St. Louis MO	http://aia-stlouis.org
AIA Staten Island NY	http://aiasiny.org
AIA Tampa Bay FL	http://www.aiatampabay.com
AIA Tennessee	http://www.aiatn.org
AIA Tennessee East	http://www.aiaetn.org
AIA Texas Northeast	http://www.aianetex.org
AIA Texas Society	http://www.texasarchitect.org
AIA Toledo OH	http://www.aiatoledo.org
AIA Utah	http://www.aiautah.org
AIA Vancouver WA	http://www.aiavancouver.org
AIA Virgin Islands	http://www.aiavi.org
AIA Virginia	http://www.aiava.org
AIA Waco TX	http://www.wacoaia.org
AIA Washington Central	http://www.aiacentwa.org
AIA Washington Council	http://www.aiawa.org
AIA Washington DC	http://www.aiadc.com
AIA Washington Southwest	http://www.aiasww.org
AIA West Virgina	http://www.aiawv.org
AIA Winston Salem	http://www.aiawinstonsalem.com
AIA Wisconsin	http://www.aiaw.org
AIA Wyoming	http://www.aia-wyoming.org
AIC Constructor Certification Commission	http://www.constructorcertification.org
Air & Waste Management	http://www.awma.org
Air Conditioning & Refrigeration Institute	http://www.ari.org
Air Conditioning & Refrigeration Wholesales Int'l.	http://www.arwi.org
Air Conditioning Contractors of America	http://www.acca.org
Air Diffusion Council	http://www.flexibleduct.org
Air Movement & Control Association International	http://www.amca.org
Air Transport Association	http://www.air-transport.org
Air-Conditioning & Refrigeration Institute	http://www.ari.org
Airport Consultants Council	http://www.acconline.org
Airports Council International NA/ACI	http://www.aci-na.org
AIS Tennessee Middle	http://www.aiamidtn.org
AIS Washington Northwest	http://www.nwaia.org
Alabama Society of Professional Engineers	http://www.aspe-al.com
Alaska Miners Association	http://www.alaskaminers.org
Alliance for Fire & Smoke Containment & Control	http://www.afscc.org
Alliance for Telecommunications Industry Solutions	http://www.atis.org
Alliance of Construction Trades	http://www.actaz.net
Alliance to Save Energy	http://www.ase.org
Aluminum Anodizers Council	http://www.anodizing.org
Aluminum Association	http://www.aluminum.org
American Academy of Environmental Engineers	http://www.aaee.net
American Arbitration Association	http://www.adr.org
American Architectural Manufacturers Institute	http://www.accci.org
American Architectural Manufactures Association	http://www.aamanet.org
American Association for Wind Engineering	http://www.aawe.org
American Association of Airport Executives	http://www.airportnet.org
American Association of Automatic Door Manufacturers	http://www.aaadm.com
American Association of Engineering Societies	http://www.aaes.org
American Association of Petroleum Geologists	http://www.aapg.org
American Association of Port Authorities	http://www.aapa-ports.org
American Association of School Administrators	http://www.aasa.org
American Association of State Hwy & Transportation	http://www.aashto.org
American Association of Textile Chemists & Colorists	http://www.aatcc.org
American Bearing Manufacturing	http://www.abma-dc.org
American Blackflow Prevention Association	http://www.abpa.org
American Boiler Manufacturers Association	http://www.abma.com
American Ceramic Society	http://www.acers.org
American Coal Ash Association	http://www.acaa-usa.org
American College of Construction Lawyers	http://www.accl.org
American Concrete Institute	http://www.aci-int.org
American Concrete Pavement Association	http://www.pavement.com
American Concrete Pipe Association	http://www.concrete-pipe.org
American Concrete Pressure Pipe Association	http://www.acppa.org
American Concrete Pumping Association	http://www.concretepumpers.com
American Conference of Governmental Industrial Hygienists	http://www.acgih.org
American Congress on Surveying & Mapping	http://www.survmap.org
American Construction Inspectors Association	http://www.acia-rci.org
American Council for Construction Education	http://www.acce-hq.org
American Council of Engineering Companies	http://www.acec.org
American Council of Engineering Cos. of Alabama	http://www.aceca.org
American Council of Engineering Cos. of Arkansas	http://www.arkengr.org
American Council of Engineering Cos. of Colorado	http://www.acec-co.org
American Council of Engineering Cos. of Connecticut	http://www.ctengineers.org
American Council of Engineering Cos. of Georgia	http://www.acecga.org
American Council of Engineering Cos. of Indiana	http://www.acecindiana.org
American Council of Engineering Cos. of Iowa	http://www.iaengr.org
American Council of Engineering Cos. of Kentucky	http://www.kyengcenter.org
American Council of Engineering Cos. of Louisiana	http://www.cecla.org
American Council of Engineering Cos. of Maine	http://www.acecmaine.org
American Council of Engineering Cos. of Maryland	http://www.acecmd.org
American Council of Engineering Cos. of Massachusetts	http://www.engineers.org
American Council of Engineering Cos. of Michigan	http://www.acec-mi.org
American Council of Engineering Cos. of Minnesota	http://www.acecmn.org
American Council of Engineering Cos. of Mississippi	http://www.acecms.org
American Council of Engineering Cos. of Montana	http://www.acecmt.org
American Council of Engineering Cos. of Nebraska	http://www.acecnebraska.org
American Council of Engineering Cos. of Nevada	http://www.acecnv.org
American Council of Engineering Cos. of New Hampshire	http://www.acec-nh.org
American Council of Engineering Cos. of New York	http://www.acecny.org
American Council of Engineering Cos. of North Carolina	http://www.acecnc.org
American Council of Engineering Cos. of North Dakota	http://www.acecnd.org
American Council of Engineering Cos. of Ohio	http://www.acecohio.org
American Council of Engineering Cos. of Oregon	http://www.ceco.org
American Council of Engineering Cos. of Pennsylvania	http://www.acecpa.org
American Council of Engineering Cos. of South Dakota	http://www.cecsd.org
American Council of Engineering Cos. of Tennessee	http://www.acectn.org
American Council of Engineering Cos. of Utah	http://www.acecutah.org
American Council of Engineering Cos. of Virginia	http://www.acecva.org
American Council of Engineering Cos. of Washington	http://www.cecw.org
American Council of Engineering Cos. of Washington DC	http://www.acecmw.org
American Council of Engineering Cos. of West Virginia	http://www.wvengineers.com
American Council of Engineering Cos. of Wisconsin	http://www.acecwi.org
American Council of Engineering Cos. of Wyoming	http://www.waces.org
American Council of Independent Laboratories	http://www.acil.org
American Design & Drafting Association	http://www.adda.org
American Electriplaters & Surface Finishers Society	http://www.aesf.org
American Engineering Alliance	http://www.aeaworld.org
American Engineering Association	http://aea.org
American Fence Association	http://www.americanfenceassociation.com
American Fiber Manufacturers Association	http://www.afma.org
American Fire Sprinkler Association	http://www.sprinklernet.org
American Forest & Paper Association	http://www.afandpa.org
American Foundrymen's Society	http://www.afsinc.org
American Galvanizers Association	http://www.galvanizeit.org
American Gas Association	http://www.aga.org
American Gear Manufacturers Association	http://www.agma.org
American Hardboard Association	http://www.pbmdf.com
American Hotel & Lodging Association	http://www.ahla.com
American Indian Science & Engineering Society	http://www.aises.org
American Indoor Air Quality Council	http://www.indoor-air-quality.org
American Industrial Hygiene Association	http://www.aiha.org
American Institute of Aeronautics & Astronautics	http://www.aiaa.org
American Institute of Architects	http://www.aia.org
American Institute of Building Design	http://www.aibd.org
American Institute of Chemical Engineers	http://www.aiche.org
American Institute of Constructors	http://www.aicnet.org
American Institute of Engineers	http://www.members.aie.org
American Institute of Inspectors	http://www.inspectors.org
American Institute of Mining,Metallurgical Engineers	http://www.aimeny.org
American Institute of Steel Construction	http://www.aisc.org
American Institute of Timber Construction	http://www.aitc-glulam.org
American Insurance Association	http://www.aiadc.org
American Iron & Steel Institute	http://www.steel.org
American Iron Ore Association	http://www.aioa.org
American Ladder Institute	http://www.americanladderinstitute.org
American Lighting Association	http://www.americanlightingassoc.com
American National Standards Institute	http://www.ansi.org
American Nuclear Society	http://www.ans.org
American Nursery & Landscape	http://www.anla.org
American Petroleum Institute	http://www.api.org
American Pipe Fittings Association	http://www.apfa.com
American Planning Association	http://www.planning.org
American Plastics Council	http://www.americanplasticscouncil.org
American Public Power Association	http://www.appanet.org
American Public Transit Association	http://www.apta.com
American Public Works Association	http://www.apwa.net
American Railway Engineering & Maintenance	http://www.arema.org
American Real Estate & Urban Economics Association	http://www.areuea.org
American Rental Association	http://www.ararental.org
American Road & Transportation Builders Association	http://www.artba.org
American Segmental Bridge Institute	http://www.asbi-assoc.org
American Seniors Housing Association	http://www.seniorshousing.org
American Shotcrete Association	http://www.shotcrete.org
American Society for Engineering Education	http://www.asee.org
American Society for Healthcare Engineering	http://www.ashe.org
American Society for Industrial Security	http://www.asisonline.org
American Society for Metals International	http://www.asm-intl.org
American Society for Nondestructive Testing	http://www.asnt.org
American Society for Photo & Remote Sensing	http://www.us.net/asprs
American Society for Quality	http://www.asq.org
American Society for Testing & Materials	http://www.astm.org
American Society of Agricultural Engineers	http://www.asae.org
American Society of Appraisers	http://www.asa.org
American Society of Architectural Perspectivists	http://www.asap.org
American Society of Association Executive	http://www.asaenet.org
American Society of Civil Engineers	http://www.asce.org
American Society of Concrete Contractors	http://www.ascconc.org
American Society of Heating, Refrigerating & AC Engineers	http://www.ashrae.org
American Society of Highway Engineers	http://www.highwayengineers.org
American Society of Home Inspectors	http://www.ashi.com
American Society of Interior Designers	http://www.asid.org
American Society of Landscape Architects	http://www.asla.org
American Society of Metals International	http://www.asm-intl.org
American Society of Naval Engineers	http://www.navalengineers.org
American Society of Plumbing Engineers	http://www.aspe.org
American Society of Professional Estimators	http://www.aspenational.com
American Society of Safety Engineers	http://www.asse.org
American Society of Sanitary Engineering	http://www.asse-plumbing.org
American Society of Testing & Materials	http://www.astm.org
American Solar Energy Society	http://www.ases.org
American Standards of Testing Materials	http://www.astm.org
American Subcontractors Association	http://www.asaonline.com
American Supply Association	http://www.asa.net
American Underground Construction Association	http://www.auaonline.org
American Water Resources Association	http://www.awra.org
American Water Works Association	http://www.awwa.org
American Welding Society	http://www.aws.org
American Wire Producers Association	http://www.awpa.org
American Wood Council	http://www.awc.org
American Wood Preservers' Association	http://www.awpa.com
American Zinc Association	http://www.zinc.org
Aosociacion Colombiana del Acondicionamiento y de la Refrigeracion	http://www.elsitiomio.com/acaire
APA- Engineered Wood Association	http://www.apawood.org
Apartment & Office Building Association of Metro. DC	http://www.aoba-metro.org
APPA Dallas Fort Worth TX	http://www.dfwappa.org
APPA Delaware Valley	http://www.dvappa.org
APPA Florida	http://www.flappa.org
APPA Georgia	http://www.gappa.org
APPA Keyston	http://www.erappa.org/KAPPA
APPA Maryland/DC	http://www.mddcappa.org
APPA New Jersey	http://www.erappa.org/NJAPPA
APPA New York	http://www.nyappa.org
APPA Texas	http://www.tappa.net
Applied Technology Council	http://www.atcouncil.org
Appraisal Institute of Canada	http://www.aicanada.org
Architect of the Capitol	http://www.aoc.gov
Architectural Engineering Institute	http://www.aeinstitute.org
Architectural Precast Association	http://www.archprecast.org
Architectural Woodwork Institute	http://www.awinet.org
Architecture Asia	http://www.architectureasia.com
ARCnet Trade Association	http://www.arcnet.com
Arizona Contractors Association	http://www.azca.com
Arizona Society of Professional Engineers	http://www.azspe.org
Army Engineer Association	http://www.armyengineer.com
Artisan Contractors Association of America	http://www.acaa.com
Asian American Architects & Engineers	http://www.aaaesc.com
ASIS International	http://www.asisonline.org
ASM International	http://www.asminternational.org
ASME International	http://www.asme.org
Asphalt Emulsion Manufacturers Association	http://www.aema.org
Asphalt Institute	http://www.asphaltinstitute.org
Asphalt Recycling & Reclaiming Association	http://www.arra.org
Asphalt Roofing Manufacturers Association	http://www.asphaltroofing.org
Associated Air Balance Council	http://www.aabchq.com
Associated Builders & Contractors	http://www.abc.org
Associated Construction Distributors International	http://www.acdi.net
Associated Equipment Distributors	http://www.aednet.org
Associated General Contractors of America	http://www.agc.org
Associated Landscape Contractors of America	http://www.alca.org
Associated Locksmiths of America	http://www.aloa.org
Associated Owners & Developers	http://www.constructionchannel.net/aod
Associated Schools of Construction	http://www.ascweb.org
Associated Specialty Contractors	http://www.assoc-spec-con.org
Association Energy Services Professionals International	http://www.aesp.org
Association Equipment Distributors	http://www.aednet.org
Association for Bridge Construction & Design	http://www.abcdpittsburgh.org
Association for Computer Aided Design in Architecutre	http://www.acadia.org
Association for Environment-Conscious Building	http://www.aecb.net
Association for European Transport	http://www.aetransport.co.uk
Association for Facilities Engineers	http://www.afe.org
Association for Iron & Steel Technology	http://www.aistech.org
Association for Preservation Technology International	http://www.apti.org
Association for Services Management International	http://www.afsmi.org
Association for Specialist Fire Protection	http://www.asfp.org.uk
Association of Asphalt Paving Technologists	http://www.asphalttechnology.org
Association of Collegiate Schools of Architecture	http://www.acsa-arch.org
Association of Condominium Managers of Ontario	http://www.acmo.org
Association of Construction Inspectors	http://www.iami.org
Association of Consulting Engineers of Brazil	http://www.ibpinet.com.br
Association of Consulting Engineers of Canada	http://www.acec.ca
Association of Consulting Engineers UK	http://www.acenet.co.uk
Association of Contractors & Builders in Israel	http://www.acb.org.il
Association of Crane & Rigging Professionals	http://www.acrp.net
Association of Edison Illuminating Companies	http://www.aeic.org
Association of Energy Engineers	http://www.aeecenter.org
Association of Engineering Firms Paracticing in the Geosciences	http://www.asfe.org
Association of Engineering Geologists	http://www.aegweb.org
Association of Equipment Manufacturers	http://www.aem.org
Association of Foreign Investors in Real Estate	http://www.afire.org
Association of Higher Education Facilities Officers	http://www.appa.org
Association of Home Appliance Manufacturers	http://www.aham.org
Association of Industry Manufacturers Representatives	http://www.aimr.net
Association of Iron & Steel Engineers	http://www.aise.org
Association of Lighting & Mercury Recyclers	http://www.almr.org
Association of Major City/County Building Officials	http://www.amcbo.org
Association of Metropolitan Planning Organizations	http://www.ampo.org
Association of Metropolitan Sewerage Agencies	http://www.asma-cleanwater.org
Association of Metropolitan Water Agencies	http://www.amwa.net
Association of Millwork Distributors	http://www.amdweb.com
Association of Preservation Technology	http://www.apti.org
Association of Professional Design Firms	http://www.apdf.org
Association of Professional Engineers, Geologists & Geophysicists of Alberta Canada	http://www.apegga.com
Association of Professional Model Makers	http://www.modelmakers.org
Association of Researchers in Construction Management	http://www.arcom.ac.uk
Association of Soil & Foundation Engineers	http://www.asfe.org
Association of Specialist Underpinning Contractors	http://www.asuc.org.uk
Association of Specialists in Cleaning & Restoration	http://www.ascr.org
Association of State Dam Safety Officials	http://www.damsafety.org
Association of State Drinking Water Administrators	http://www.asdwa.org
Association of the Wall & Ceiling Industries International	http://www.awci.org
Association of Women in the Metal Industries	http://www.awmi.com
ASTM International	http://www.astm.org
Australian Concrete Repair Association	http://www.acrassoc.com.au
Australian Institute of Building	http://www.aib.org.au
Australian Institute of Steel Construction	http://www.aisc.com.au
Automated Builders Consortium	http://www.4abc.org
Automatic Fire Alarm Association	http://www.afaa.org
AVC Rocky Mountain	http://www.abcrmc.org
BACnet Manufacturers Association	http://www.bacnetassociation.org
Baltimore Congress & Exchange	http://www.bcebaltimore.org
Barre Granite	http://www.barregranite.org
Barrie Construction Association	http://www.barrieca.com
Bath Enclosure Manufacturers Association	http://www.bathenclosure.org
BIFMA International	http://www.bifma.org
Blow-in-Blanket Contractors Association	http://www.bibca.org
BOCA International	http://www.bocai.org
BOMI Institute	http://www.bomi-edu.org
Brick Industry Association	http://www.brickinfo.org
Bridge Grid Flooring Manufacturers Association	http://www.bgfma.org
British Cement Association	http://www.bca.org.uk
British Construction Steelwork Association	http://www.metalworld.com
British Institute of Architectural Technologists	http://www.biat.org.uk
British Institute of Facilities Management	http://www.bifm.org.uk
British Waterways	http://www.british-waterways.org
Builders Hardware Manufacturers Association	http://www.buildershardware.com
Builder's Supply Association of West Virginia	http://www.bsawv.com
Building & Construction AFL-CIO	http://www.buildingtrades.com
Building Commissioning Association	http://www.bcxa.org
Building Futures Council	http://www.thebfc.com
Building Industry Association of Southern California	http://www.biasc.org
Building Industry Consulting Services International	http://www.bicsi.org
Building Officals & Code Adm.International	http://www.iccsafe.org
Building Owners & Managers Association	http://www.boma.org
Building Research Association of New Zealand	http://www.branz.org.nz
Building Research Establishment	http://www.bre.co.uk
Building Seismic Safety Council	http://www.bssconline.org
Building Services Research Information Association	http://www.bsria.co.uk
Building Stone Institute	http://www.buildingstone.org
California Rebuild America Coalition	http://www.calrac.org
California Redwood Association	http://www.calredwood.org
California Society of Professional Engineers	http://www.cspe.com
Can Manufacturers Institute	http://www.cancentral.com
Canadian Academy of Engineering	http://www.acad-eng.gen.ca
Canadian Association for Earthquake Engineering	http://www.civeng.carleton.ca
Canadian Automatic Sprinkler Association	http://www.casa-firesprinkler.org
Canadian Condominium Institute	http://www.cci.ca
Canadian Construction Association	http://www.cca-acc.com
Canadian Construction Documents Committee	http://www.ccdc.org
Canadian Construction Research Board	http://www.ccrb-ccrc.ca
Canadian Electrical Contractors Association	http://www.ceca.org
Canadian Gas Association	http://www.cga.ca
Canadian Geotechnical Society	http://www.cgs.ca
Canadian Home Builders' Association	http://www.chba.ca
Canadian Institute of Forestry	http://www.cif-ifc.org
Canadian Institute of Mining, Metallurgy & Petroleum	http://www.cim.org
Canadian Institute of Steel Construction	http://www.cisc-icca.ca
Canadian Portland Cement Association	http://www.cpca.ca
Canadian Roofing Contractors Association	http://www.roofingcanada.com
Canadian Sheet Steel Building Institute	http://www.cssbi.ca
Canadian Society for Chemical Engineering	http://www.chemeng.ca
Canadian Society for Civil Engineering	http://www.csce.ca
Canadian Society for Engineering Management	http://www.csem-scgi.ca
Canadian Society of Value Analysis	http://www.scav-csva.org
Canadian Standards Association	http://www.csa.ca
Canadian Steel Producers Association	http://www.canadiansteel.ca
Canadian Wood Council	http://www.cwc.ca
Carpet & Rug Institute	http://www.carpet-rug.com
Carpet Cushion Council	http://www.carpetcushion.org
Cast Iron Soil Pipe Institute	http://www.cispi.org
Cast Stone Institute	http://www.caststone.org
Casting Industry Suppliers Association	http://www.cisa.org
Cedar Shake & Shingle Bureau	http://www.cedarbureau.org
Ceilings & Interior Systems Construction Association	http://www.cisca.org
Cement Association of Canada	http://www.cement.ca
Center for Earthquake Research & Information	http://www.ceri.memphis.edu
Center for Excellence for Sustainable Development	http://www.sustainable.doe.gov
Center for Urban Transportation Research	http://www.cutr.usf.edu
Central California Chapater	http://www.ccciapmo.org
Centre for Window & Cladding Technology	http://www.bath.ac.uk/cwct
Ceramic Tile Institute of America	http://www.ctioa.org
Certifeid Contractors Network	http://www.contractors.net
Chain Link Fence Manufacturers Institute	http://www.chainlinkinfo.org
Chartered Institute of Building	http://www.ciob.org.uk
Chartered Institution of Building Services Engineers	http://www.cibse.org
China Refrigeraton & Air Conditioning Industry Assocition	http://www.chinacraa.com
Chlorine Chemistry Council	http://www.c3.org
Chlorine Institute	http://www.cl2.com
Civil Engineering Research Foundation	http://www.cerf.org
Coalition for Affordabel & Reliable Energy	http://careenergy.com
Coalition of Labor Union Women	http://www.cluw.org
Colorado Mining Association	http://www.coloradomining.org
Community Associations Institute	http://www.caionline.org
Composite Panel Association	http://www.pbmdf.com
Compressed Gas Association	http://www.cganet.com
Concrete Foundations Association	http://www.cfawalls.org
Concrete Masonry Association of Australia	http://www.cmaa.com.au
Concrete Plant Manufacturers Bureau	http://www.cpmb.org
Concrete Reinforcing Steel Institute	http://www.crsi.org
Concrete Repair Association	http://www.concreterepair.org.uk
Concrete Sawing & Drilling Association	http://www.csda.org
Concrete Society UK	http://www.concrete.org.uk
Confederation of International Contractors' Associations	http://www.cica.net
Connecticut Building Congress	http://www.cbc-ct.org
Connecticut Society of Professional Engineers	http://www.ctspe.net
Considerate Contractors Scheme	http://www.ccscheme.org.uk
Constructing Excellence	http://www.constructingexcellence.org.uk
Construction Association of South Florida	http://www.casf.org
Construction Association of Thunder Bay	http://www.catb.on.ca
Construction Books Direct	http://www.constructionbooksdirect.com
Construction Clients Group	http://www.clientsuccess.org.uk
Construction Confederation	http://www.constructionconfederation.co.uk
Construction Consumer Concil	http://www.nwcc.org
Construction Criteria Base	http://www.ccb.org
Construction Estimating Institute	http://www.estimating.org
Construction Financial Management Association	http://www.cfma.org
Construction Industry Computing Association	http://www.cica.org.uk
Construction Industry Council	http://www.cic.org.uk
Construction Industry CPAs/Consultants Association	http://www.cicpac.com
Construction Industry Institute	http://www.construction-institute.org
Construction Industry Manufacturers Association	http://www.cimanet.com
Construction Industry Research & Information Association	http://www.ciria.org.uk
Construction Industry Resource Training Network	http://www.cirtn.org
Construction Industry Round Table	http://www.cirt.org
Construction Innovation Forum	http://www.cif.org
Construction Management Association of America	http://www.cmaanet.org
Construction Marketing Research Council	http://www.cmrc.net
Construction Materials Recycling Association	http://www.cdrecyling.org
Construction Metrication Council	http://www.nibs.org
Construction Owners Association of America	http://www.coaa.org
Construction Safety Council	http://www.buildsafe.org
Construction Sciences Research Foundation	http://www.csrf.org
Construction Specifications Canada	http://www.csc-dcc.ca
Construction Specifications Institute	http://www.csinet.org
Construction Suppliers Association	http://www.gocsa.com
Construction Technology Laboratory	http://www.ctlgroup.com
Construction Users Roundtable	http://www.curt.org
Construction Writers Association	http://www.constructionwriters.org
Consulting Engineers & Land Surveyors of California	http://www.celsoc.org
Consulting Engineers Council of Missouri	http://www.cecmo.org
Consulting Engineers Council of New Jersey	http://www.acecnj.org
Consulting Engineers Council of Oklahoma	http://www.cecok.org
Consulting Engineers of Idaho	http://www.ceidaho.org
Consulting Engineers of Illinois	http://www.cec-il.org
Consulting Engineers of South Carolina	http://www.acecsc.org
Consumer Electronics Association	http://www.ce.org
Consumers Direct	http://www.consumersdirect.gov.uk
Continental Automated Buildings Association	http://www.caba.org
Conveyer Equipment Manufacturers Association	http://www.cemanet.org
Cool Metal Roofing Coalition	http://www.coolmetalroofing.org
Cooling Technology Institute	http://www.cti.org
Copper Development Association	http://www.copper.org
Corrosion Prevention Association	http://www.corrosionprevention.org.uk
Council for Affordable & Rural Housing	http://www.carh.org
Council of Educational Facility Planners International	http://www.cefpi.org
Council of Engineering & Scientific Society Executives	http://www.cesse.org
Council of State Governments	http://www.csg.org
Council on Tall Buildings & Urban Habitat	http://www.lehigh.edu
Counselors of Real Estate	http://www.cre.org
Custom Electronic Design & Installation Association	http://www.cedia.org
DC Metropolitan Subcontractors Association	http://www.dcmsa.com
Deck Industry Association	http://www.deckindustry.org
Deep Foundation Institute	http://www.dfi.org
Defense Threat Reduction Agency	http://www.dtra.mil
Delaware Engineering Society	http://www.udel.edu/des
Department of Trade & Industry	http://www.dti.gov.uk
Design-Build Institute of America	http://www.dbia.org
Distribution Business Management	http://www.dcenter.com
Domestic Wire Rope & Cable	http://www.domesticwirerope.org
Door & Hardware Institute	http://www.dhi.org
Dredging Contractors of America	http://www.dredgingcontractors.org
Drilling Engineering Association	http://www.dea.main.com
Drywall Finishing Council Incorportated	http://www.dwfc.org
Ductile Iron Pipe Research Association	http://www.dipra.org
Earthquake Engineering Research Institute	http://www.eeri.org
Eastern Building Material Dealers Association	http://www.ebmda.org
Edison Electric Institute	http://www.eei.org
EIFS Industry Members Association	http://www.eima.com
Electrical Contractors Association	http://www.eca.co.uk
Electrical Generating Systems Association	http://www.egsa.org
Electrical Power Research Institute	http://www.epri.com
Electronic Industries Alliance	http://www.eia.org
Energy & Environmental Building Association	http://www.eeba.org
Energy & Environmental Design	http://www.leedbuilding.org
Energy Council of Canada	http://www.energy.ca
Engineered Wood Association	http://www.apawood.org
Engineering Construction Industry Association	http://www.ecia.col.uk
Engineering Contractors Association	http://www.nceca.org
Engineering Council	http://www.engc.org.uk
Engineering Information Village	http://www.ei.org
Engineering Institute of Canada	http://www.eic-ici.ca
Eno Transportation Foundation	http://www.enotrans.com
Environmental Defense	http://www.environmentaldefense.org
Environmental Industry Associations	http://www.envasns.org
EPRI	http://www.epri.com
EPS Molders Associaton	http://www.epsmolders.org
Equipment Managers Council of America	http://www.emca.org
ESCO Institute	http://www.escoinst.com
EuroConstruct	http://www.euroconstruct.de
European Association for Passive Fire Protection	http://www.eapfp.com
European Committee of Air Handling & Refreigeration Equipment Industries	http://www.eurovent-cecomaf.org
European Confederation of Iron & Steel Industries	http://www.eurofer.org
European Construction Industry Federation	http://www.fiec.org
European Construction Institute	http://www.eci-online.org
European Federation of Producers & Applicators Specialist Prod.for Structures	http://www.efnarc.org
European Insulation Manufacturers Association	http://www.eurima.org
European International Contractors	http://www.eicontractors.de
European Partnership for Energy & the Environment	http://www.epeeglobal.org
European Phenolic Foam Association	http://www.epfa.org.uk
Expanded Shale, Clay & Slate Institute	http://www.escsi.org
Expansion Joint Manufacturers Association	http://www.ejma.org
Exterior Design Institute	http://www.exterior-design-inst.com
Fabricators & Manufacturers	http://www.fmanet.org
Facility Information Council	http://www.nibs.org
Fan Manufacturers Association UK	http://www.feta.co.uk/fma
Federaction Interamericana de la Industria de la Construccion	http://www.fiic.org.mx
Federal Highway Administration	http://www.fhwa.dot.gov
Federation European Heating & AC Assocation	http://www.rehva.com
Federation of Environmental Trade Association of UK	http://www.feta.co.uk
Federation of Master Builders	http://www.fmb.org.uk
FIATECH	http://www.fiatech.org
Fibreglass & Rockwool Insulation Manufacutrers Association	http://www.farima.com.au
Finishing Contractors Association	http://www.finishingcontractors.org
Flexible Packaging Association	http://www.flexpack.org
Floor Covering Installation Contractors Association	http://www.fcica.com
Florida Association of PHCC	http://www.flphcc.org
Florida Building Material Association	http://www.fbma.org
Florida Engineering Society	http://www.fysegov.com
Florida Institute of Consulting Engineers	http://www.fleng.org
Fluid Controls Institute	http://www.fluidcontrolsinstitute.org
Fluid Sealing Association	http://www.fluidsealing.com
Fondonorma	http://www.fondonorma.org.ve
Food Marketing Institute	http://www.fmi.org
Forest Products Society	http://www.forestprod.org
Forest Stewardship Council	http://www.fscus.org
Forging Industry Association	http://www.forging.org
Fresno Builders Exchange	http://www.fresnobuildersexchange.com
Galvalume Sheet Producers of North America	http://www.steelroofing.com
Gas Appliance Manufacturers Association	http://www.gamanet.org
Gas Installers Regulatory Body	http://www.corgi-gas-safety.com
Gas Technology	http://www.gastechnology.org
Geological Society of America	http://www.geosociety.org
Geomatics Industry Association	http://www.giac.ca
Georgia Society of Professional Engineers	http://www.gspe.org
Geosynthetic Institute	http://www.geosynthetic-institute.org
Geothermal Heat Pump Consortium	http://www.ghpc.org
German Refrigeration & Air-conditioning Association	http://www.vdkf.com
Germany Machinery & Plant Manufacturers Assocition-Air Conditioning	http://www2.vdma.de
Glass Association of North America	http://www.glassfacts.com
Global Environmental Management Initiative	http://www.gemi.org
Glof Course Builders Association of America	http://www.gcbaa.org
Golden State Builders Exchange	http://www.goldenstatebx.com
Grand Valley Construction Association	http://www.gvca.org
Greater Toronto Electrical Contractors Association	http://www.greatertorontoeca.org
Green Building Alliance	http://www.gbapgh.org
Green Guard	http://www.greenguard.org
Green Seal Product Certification	http://www.greenseal.org
Greenroofs	http://www.greenroofs.com
Grocery Manufacturers Association	http://www.gmabrands.com
Gypsum Association	http://www.gypsum.org
Hall of Fame for Engr.Science,Tech	http://www.hofest.org
Hamilton-Halton Construction Association	http://www.hhca.ca
Hardwood Council	http://www.hardwoodcouncil.com
Hardwood Manufacturers Association	http://www.hardwood.org
Hardwood Plywood & Veneer Association	http://www.hpva.org
Harrisburg Builders Exchange	http://www.hbgbx.com
Hawaii Transportation Association	http://www.htahawaii.org
Health Facility Institute	http://www.hfi.org
Healthy House Institute	http://www.hhinst.com
Hearth Patio & Barbeque Association	http://www.hpba.org
Heat Exchange Institute	http://www.heatexchange.org
Heating Airconditioning & Refrigeration Distributors International	http://www.hardinet.org
Heating Refrigeration & Air-Conditioning Institute of Canada	http://www.hrai.ca
Helmets to Hardhats	http://www.helmetstohardhats.org
High Speed Ground Transportation Association	http://www.hsgt.org
Hispanic American Constr.Industry Association	http://www.hacia.info
Historical Constr.Equipment Association	http://www.hcea.net
Home Ventilating Institute	http://www.hvi.org
Homeland Protection Institute	http://www.hpi-tech.org
Hot Briquetted Iron Association	http://www.hbia.org
HVAC Excellence	http://www.hvacexellence.org
Hydraulic Institute	http://www.pumps.org
Idaho Society of Professional Engineers	http://home.rmci.net/ispe
IFMA World Workplace	http://www.worldworkplace.org
Illinois Lumber & Material Dealers Association	http://www.ilmda.com
Illinois Society of Professional Engineers	http://www.ilspe.com
Illuminating Engineering Society of North America	http://www.iesna.org
Improvement & Development Agency	http://www.idea.gov.uk
Independent Distributors Association	http://www.idaparts.org
Independent Electrical Contractors	http://www.ieci.org
Indiana Concrete Masonry Association	http://www.indianablock.org
Indiana Limestone Institute of America	http://www.iliai.com
Indiana Lumber & Builders Supply Association	http://www.ilbsa.org
Indiana Society of Professional Engineers	http://www.indspe.org
Industrial Fasteners Institute	http://www.industrial-fasteners.org
Industrial Rope Access Trade Association	http://www.irata.org
Infrastructure Security Partnership	http://www.tisp.org
Inland Rivers Ports & Terminals	http://www.irpt.net
Institute for Business & Home Safety	http://www.ibhs.org
Institute for Infrastructure & Information Assurance	http://www.jmu.edu/research
Institute for Operations Research & the Management	http://www.informs.org
Institute for Research in Construction	http://www.cisti.nrc.ca/irc
Institute of Civil Engineers	http://www.ice.org.uk
Institute of Clean Air Companies	http://www.icac.com
Institute of Electrical & Electronic Engineers	http://www.ieee.org
Institute of Environmental Sciences & Technology	http://www.iest.org
Institute of Highway Incorporated Engineers	http://www.ihie.org.uk
Institute of Industrial Engineers	http://www.iienet.org
Institute of Inspection Cleaning & Restoration Cerfication	http://www.iicrc.org
Institute of Iorn & Steel Technology	http://www.tu-freiberg.de
Institute of Logistics & Transport	http://www.iolt.org.uk
Institute of Management Consultants	http://www.imcusa.org
Institute of Plumbing UK	http://www.plumbers.org.uk
Institute of Public Utilities	http://www.bus.msu.edu/ipu
Institute of Real Estate Management	http://www.irem.org
Institute of Refrigeration	http://www.ior.org.uk
Institute of Scrap Recycling Industries	http://www.isri.org
Institute of Store Planners	http://www.ispo.org
Institute of the Ironworking Industry	http://www.instituteiw.org
Institute of Transportation Engineers	http://www.ite.org
Institute of Value Management	http://www.ivm.org.uk
Institute of Value Management Australia	http://www.value-management.com.au
Institute of Value Managment Hong Kong	http://www.hkivm.com.hk
Institute of Wood Science	http://www.wark.csiro.au
Institution of Civil Engineers	http://www.icenet.org.uk
Institution of Electrical Engineers	http://www.iee.org.uk
Institution of Engineering Designers	http://www.ied.org.uk
Institution of Highways & Transportation	http://www.iht.org
Institution of Structural Engineers	http://www.istructe.org.uk
Instituto Colombiano do Normas Tecnicas y Certificacion	http://www.icontec.org.co
Instrumentation Systems & Automation Society	http://www.isa.org
Insulated Cable Engineers Association	http://www.icea.net
Insulated Steel Door Institute	http://www.isdi.org
Insulating Glass Cerftification Council	http://www.igcc.org
Insulating Glass Manufacturers Alliance	http://www.igmaonline.org
Insulation Contractors Association of America	http://www.insulate.org
Insurance Institute for Highway Safety	http://www.hwysafety.org
Integrated Building & Construction Solutions	http://www.ibacos.com
Intelligent Transportation Society of America	http://www.itsa.org
Interlocking Concrete Pavement Institute	http://www.icpi.org
Intermodal Association fo North America	http://www.intermodal.org
International Alliance for Interoperability	http://www.iai-na.com
International Assoc.of Bridge,Structural ,Ornamental & Reinforcing Iron Workers	http://www.ironworkers.org
International Association for Automation & Robotics in Construction	http://www.iaarc.org
International Association for Bridge & Structural Engineering	http://www.iabase.ethz.ch
International Association for Continuing Engineering Education	http://www.iacee.ltk.hut.fi
International Association of Electrical Inspectors	http://www.iaei.com
International Association of Foundation Drilling	http://www.adsc-iafd.com
International Association of Heat & Frost Insulators& Asbestos Workers	http://www.insulators.org
International Association of Plumbing & Mechanical.Officials	http://www.iapmo.org
International Association of Professional Security Consultants	http://www.iapsc.org
International Association of Structural Movers	http://www.iasm.org
International Atomic Energy Agency	http://www.iaea.org
International Bridge,Tunnel & Turnpike Association	http://www.ibtta.org
International Brotherhood of Boilermakers,Iron Ship Builders	http://www.boilermakers.org
International Brotherhood of Electrial Workers	http://www.ibew.org
International Brotherhood of Painters & Allied Trades	http://www.iupat.org
International Brotherhood of Teamsters	http://www.teamster.org
International Builders Exchange Executives	http://www.ibee/prg
International Centre for Facilities	http://www.icf-cebe.com
International City/County Management Association	http://www.icma.org
International Code Council	http://www.intlcode.org
International Commission on Irrigation & Drainage	http://www.icid.org
International Commission on Large Dams	http://www.icold-cigb.org
International Concrete Repair Institute	http://www.icri.org
International Conference of Building Officals	http://www.icbo.org
International Construction Information Society	http://www.icis.org
International Consulting Engineering Federation	http://www.fidic.org
International Cost Engineering Council	http://www.icoste.org
International Council for Research & Innovation Building & Construction	http://www.cibworld.nl
International Council of Air-Conditioning & Refrigeration Manufacturers Association	http://www.icarma.org
International Council of Shopping Centers	http://www.icsc.org
International Council on Systems Engineering	http://www.incose.org
International Council Research & Innovation	http://www.cibworld.nl
International Dairy Deli Bakery Association	http://www.iddanet.org
International Development Research Council	http://www.idrc.org
International District Energy Association	http://www.districtenergy.org
International Energy Agency - Heat Pump Centre	http://www.heatpumpcentre.org
International Facility Management Association	http://www.ifma.org
International Federation for Structural Concrete	http://www.fib.epfl.ch
International Federation of Asia & Western Pacific Contr.Associations	http://www.ifawpca.org
International Federation of Consulting Engineers	http://www.fidic.org
International Federation of Prof.&Tech.Engineers	http://www.ifpte.org
International Hydropower Association	http://www.hydropower.org
International Institute for Lath & Plaster	http://www.iilp.org
International Institute of Ammonia Refrigeration	http://www.iiar.org
International Insulation Contractors Organisation	http://www.associationhouse.org
International Interior Design Association	http://www.iida.org
International Iron & Steel Institute	http://www.worldsteel.org
International Lake Environment Committee Foundation	http://www.ilec.or.jp
International Masonry Institute	http://www.imiweb.org
International Mining, Exploration & Mining Equipment	http://www.miningandevents.com
International Municipal Lawyers Association	http://www.imla.org
International Municipal Signal Association	http://www.imsasafety.org
International Navigation Association	http://www.pianc-aipcn.org
International Organization for Standardization	http://www.iso.ch
International Project Management Association	http://www.ipma.ch
International Real Estate Institute	http://www.irei.org
International Right-of-Way Association	http://www.irwaonline.org
International Risk Management Institute	http://www.irmi.com
International Road Federation	http://www.irfnet.org
International Society of Facilities Executives	http://www.isfe.org
International Society of Soil Mechanics & Geo Engineers	http://www.issmge.org
International Standards Organization	http://www.iso.ch
International Tunnelling Association	http://www.ita-aites.org
International Union of Bricklayers & Allied Craftworkers	http://www.bacweb.org
International Union of Elevator Constructors	http://www.iuec.org
International Union of Operationg Engineers	http://www.iuoe.org
International Window Film Association	http://www.iwfa.com
International Wood Products Association	http://www.ihpa.org
Internet Directory for Specified Products	http://www.4specs.com
Intertek Testing Service	http://www.intertek.com
Iowa Engineering Society	http://www.iaengr.org
IPC Association Connecting Electronics Industries	http://www.ipc.org
ISA Instrumentation, Systems & Automation Society	http://www.isa.org
ISO 9000 Translated	http://www.praxiom.com
Italian Association of Air Conditioning & H &R	http://www.aicarr.it
Japan Refrigeration & Air-Conditioning Industry Association	http://www.jraia.or.jp
Japanese Society of Steel Construction	http://www.jssc.or.jp
Junior Engineering Technical Society	http://www.jets.org
Kansas Consulting Engineers	http://www.kce.org
Kansas Societyh of Professional Engineers	http://www.kansasengineer.org
Kentucky Lumber & Building Material Dealers Association	http://www.klbmda.org
Kentucky Society of Professional Engineers	http://www.kyengcenter.org
Kingston Construction Association	http://www.kca.on.ca
Kitchen Cabinet Manufacturers Association	http://www.kcma.org
Korea Engineering & Consulting Association	http://www.kenca.or.kr
Laborers' International Union of North America	http://www.liuna.org
Laminating Materials Association	http://www.lma.org
Land Improvement Contractors of America	http://www.lica.org
Lead International	http://www.lead.org
Lean Construction Institute	http://www.leanconstruction.org
Light Gauge Steel Engineers Association	http://www.lgsea.com
Lightning Protection Institute	http://www.lightning.org
Log Home Builders Association of North America	http://www.loghomebuilders.org
Logistics Management Institute	http://www.lmi.org
London & District Construction Association	http://www.ldca.on.ca
Louisiana Building Material Dealers Association	http://www.lat.org
Louisiana Engineering Society	http://www.les-state.org
Lumber Association of California & Nevada	http://www.lumberassoc.com
Lumbermen's Association of Texas	http://www.lat.org
Major Cities Police Chiefs Assocation	http://www.mcca.org
Major Projects Association	http://www.majorprojects.org
Management Assoc .for Private Photogrammetric Surveyors	http://www.mapps.org
Manitoba Association of Architects	http://www.maa.org
Manufactured Housing Institute	http://www.manufacturedhousing.org
Manufacturers Standardization Society of Valve & Fittings Industry	http://www.mss-hq.com
Maple Flooring Manufacturers Association	http://www.maplefloor.org
Marble Institute of America	http://www.marble-institute.com
Maryland Society of Professional Engineers	http://www.mdspe.org
Mason Contractors Association of America	http://www.masoncontractors.com
Masonry Advisory Council	http://www.maconline.org
Masonry Association of Florida	http://www.mafonline.org
Masonry Institute of America	http://www.masonryinstitute.org
Masonry Institute of Washington	http://www.masonryinstitute.com
Masonry Society	http://www.masonrysociety.org
Massachuset Society of Professional Engineers	http://www.mspe.com
Massachusetts Building Congress	http://www.buildingcongress.org
Master Painters Institute	http://www.paintinfo.com
Material Handling Equipment Distributors Association	http://www.mheda.org
Material Handling Industry of America	http://www.mhia.org
Material Research Society	http://www.mrs.org
Measurement Control & Automation Association	http://www.measure.org
Mechanical Contractors Association of America	http://www.mcaa.org
Mechanical Contractors Association of Canada	http://www.mcac.ca
Mechanical Contractors Association of Ontario	http://www.mcao.org
Merit Contractors Association	http://www.meritca.com
Metal Building Contractors & Erectors Association	http://www.mbcea.org
Metal Building Manufacturers Association	http://www.mbma.com
Metal Construction Association	http://www.metalconstruction.org
Metal Framing Manufacturers Association	http://www.metalframingmfg.org
Metal Industry Research Development Center	http://www.mirdc.org.tw
Metal Powder Industries Federation	http://www.mpif.org
Metal Roofing Alliance	http://www.metalroofing.org
Metals Service Center Institute	http://www.msci.org
Michigan Lumber & Building Materials Association	http://www.mlbma.org
Michigan Society of Professional Engineers	http://www.michiganspe.org
Midwest Insulation Contractors Association	http://www.micainsulation.org
Minerals Metals & Materials Society	http://www.tms.org
Mining Technology	http://www.mining-technology.com
Minnesota Concrete & Masonry Association	http://www.mcmca.com
Minnesota Society of Professional Engineers	http://www.mnspe.org
Mississippi Asphalt Pavement Association	http://www.superpavve.com
Mississippi Concrete Association	http://www.mississippiconcrete.com
Mississippi Engineering Society	http://www.msengsoc.org
Missouri Society of Professional Engineers	http://www.mspe.org
Mortgage Bankers Association of America	http://www.mbaa.org
Mountain States Lumber & Building Material Dealers Association	http://www.mslbmda.org
Multidisciplinary Center for Earthquake Engineering Research	http://www.mdacomposites.org
Municipal Waste Management Association	http://www.usmayors.org/uscm
NACE International	http://www.nace.org
NACORE International	http://www.nacore.com
National Academic Consortium for Homeland Security	http://www.homelandsecurity.osu.edu
National Academy of Building Inspector Engineers	http://www.nabie.org
National Academy of Engineering	http://www.nae.edu
National Academy of Forensic Engineers	http://www.nafe.org
National Action Council for Minorities in Engineering	http://www.nacm.org
National Air Duct Cleaners Association	http://www.nadca.com
National Air Filtration Association	http://www.nafahq.org
National Alliance for Fair Contracting	http://www.faircontracting.org
National Apartment Association	http://www.naahq.org
National Asphalt Pavement Association	http://www.hotmix.org
National Association of Architectural Metal Manufacturers	http://www.naamm.org
National Association of Attorneys General	http://www.naag.org
National Association of College & University Attorneys	http://www.nacua.org
National Association of College & University Business Officers	http://www.nacubo.org
National Association of Convenience Stores	http://cstorecentral.com
National Association of Corrosion Engineers	http://www.nace.org
National Association of County Engineers	http://www.naco.org
National Association of Credit Management	http://www.nacm.org
National Association of Demolition Contractors	http://www.demolitionassociation.com
National Association of Development Organizations	http://www.nado.rog
National Association of Elevator Contractors	http://www.naec.org
National Association of Energy Services Companies	http://www.naesco.org
National Association of Environmental Professionals	http://www.enfo.com
National Association of Food Equipment Manufacturers	http://www.nafem.org
National Association of Home Builders	http://www.nahb.com
National Association of Home Inspectors	http://www.nahi.org
National Association of Housing & Redevelopment Officals	http://www.nahro.org
National Association of Industrial Office Properties	http://www.naiop.org
National Association of Insurance Commissioners	http://www.naic.com
National Association of Manufacturers	http://www.nam.org
National Association of Minority Contractors	http://www.namcdc.org
National Association of Pipe Fabricators	http://www.napf.com
National Association of Plumbing, Heating & Cooling	http://www.naphcc.org
National Association of Power Engineers	http://www.nape.org
National Association of Real Estate Investment	http://www.nareit.com
National Association of Real Estate Investment Fiduciaries	http://www.ncreif.org
National Association of Realtors	http://www.realtor.com
National Association of Regional Councils	http://www.narc.org
National Association of Reinforcing Steel Contractors	http://www.narsc.com
National Association of Remodeling Industry	http://www.nari.org
National Association of Sewer Service Companies	http://www.microsol.net/nassco
National Association of State Budger Officers	http://www.nasbo.org
National Association of State Energy Officals	http://www.naseo.org
National Association of State Facilities Administrators	http://www.nasfa.net
National Association of Structural Engineers Association	http://www.ncsea.com
National Association of Surety Bond Producers	http://www.nasbp.org
National Association of Tower Erectors	http://www.natehome.com
National Association of Towns & Townships	http://www.natat.org
National Association of Women in Construction	http://www.nawic.org
National Board of Boiler & Pressure Vessel Inspectors	http://www.nationalboard.org
National Building Granite Quarries Association	http://www.nbgqa.com
National Building Museum	http://www.nbm.org
National Burglar & Fire Alarm Association	http://www.alarm.org
National Cable & Telecommunications Association	http://www.ncta.com
National Capital Planning Commission	http://www.ncpc.gov
National Center for Asphalt Technology	http://www.ncat.us
National Center for Construction Education & Research	http://www.nccer.org
National Center for Earthquake Engineering Research	http://www.nceer.org
National Center for Manufacturing Sciences	http://www.ncms.org
National Clay Pipe Institute	http://www.ncpi.org
National Clearinghouse for Educational Facilites	http://www.edfacilities.org
National Coil Coaters Association	http://www.coilcoaters.org
National Commission for the Certification of Crane Operators	http://www.ncco.org
National Concrete Masonry Association	http://www.ncma.org
National Conference of Standards Laboratories	http://www.ncslinternational.org
National Conference of States on Building Codes & Standards	http://www.ncsbcs.org
National Contract Management Association	http://www.ncmahq.org
National Corrugated Steel Pipe Association	http://www.ncspa.org
National Council of Acoustical Consultants	http://www.ncac.com
National Council of Architectural Registration Boards	http://www.ncarb.org
National Council of Examiners for Engineering & Surveying	http://www.ncees.org
National Council of Structural Engineers Association	http://www.ncsea.com
National Council on Radiation Protection & Measurements	http://www.ncrp.com
National Drilling Association	http://www.nda4u.com
National Electrical Contractors Association	http://www.necanet.org
National Electrical Manufacturers Association	http://www.nema.org
National Elevator Industry Inc.	http://www.neii.org
National Energy Management Institute	http://www.nemionline.org
National Environmental Balancing Bureau	http://www.nebb.org
National Evaluation Service	http://www.nateval.org
National Federation of Builders	http://www.builders.org.uk
National Federation of Demolition Contractors	http://www.demolition-nfdc.com
National Fenestration Rating Council	http://www.nfrc.org
National Fire Protection Association	http://www.nfpa.org
National Frame Builders Association	http://www.nfba.org
National Glass Association	http://www.glass.org
National Ground Water Association	http://www.ngwa.org
National Guild of Professional Paperhangers	http://www.ngpp.org
National Hardwood Lumber Association	http://www.natlhardwood.org
National Housing & Rehabilitation Association	http://www.housingonline.com
National Housing Conference	http://www.nhc.org
National Infrastructure Institute Foundation	http://www.ni2.org
National Inhalant Prevention Coalition	http://www.inhalants.org
National Inspection Testing Certification	http://www.nationalitc.com
National Institute for Certification in Engineering Technologies	http://www.nicet.org
National Institute of Building Sciences	http://www.nibs.org
National Institute of Ceramic Engineers	http://www.ceramics.org
National Institute of Standards & Technology	http://www.nist.gov
National Institute of Steel Detailing	http://www.nisd.org
National Insulation Association	http://www.insulation.org
National Kitchen & Bath Association	http://www.nkba.org
National Lighting Bureau	http://www.nlb.org
National Lime Association	http://www.lime.org
National Lumber & Building Material Dealers Association	http://www.dealer.org
National Mining Association	http://www.nma.org
National Multi. Housing Council	http://www.nmhc.org
National Organization of Minority Architects	http://www.noma.net
National Ornamental & Miscellaneous Metals Association	http://www.nomma.org
National Paint & Coatings Association	http://www.paint.org
National Partnership for Highway Quality	http://www.nphq.org
National Patio Enclosure Association	http://www.patioenclosure.org
National Pest Management Association	http://www.pestworld.org
National Plasterers Council	http://www.npconline.org
National Precast Concrete Association	http://www.precast.org
National Railroad Construction & Maintenance Association	http://www.nrcma.org
National Ready Mixed Concrete Association	http://www.nrmca.org
National Research Council	http://www.nas.edu/nrc
National Restaurant Association	http://www.restaurant.org
National Roofing Contractors Association	http://www.nrca.net
National Safety Council	http://www.nsc.org
National Sanitation Foundation	http://www.nsf.org
National Sash & Door Jobbers Association	http://www.nsdja.com
National Slag Association	http://www.nationalslagassoc.org
National Society of Black Engineers	http://www.nsbe.org
National Society of Professional Engineers	http://www.nspe.org
National Spa & Pool Institute	http://www.nspi.org
National Standards Systems Network	http://www.nssn.org
National Stone Sand & Gravel Association	http://www.nssga.org
National Systems Contractors Association	http://www.nsca.org
National Terrazzo & Mosaic Association	http://www.ntma.com
National Tile Contractors Association	http://www.tile-assn.com
National Tooling & Machining Association	http://www.ntma.org
National Transportation Safety Board	http://www.ntsb.gov
National Truck Equipment Association	http://www.ntea.com
National Trust for Historic Preservation	http://www.nthp.org
National Utility Contractors Association	http://www.nuca.com
National Utility Locating Contractors Association	http://www.nulca.org
National Wood Flooring Association	http://www.woodfloors.org
Natural Resources Defense Council	http://www.nrdc.org
NEA Association of Union Constructors	http://www.nea-online.org
Nebraska Society of Professional Engineers	http://www.nespe.org
New Hampshire Society of Professional Engineers	http://www.nhspe.org
New Jersey Plumbing Inspectors Association	http://www.njpia.org
New Jersey Society of Professional Engineers	http://www.njspe.org
New Mexico Society of Professional Engineers	http://www.nmspe.org
New York Association of Consulting Engineers	http://www.nyace.org
New York Building Congress	http://www.buildingcongress.com
New York State Society of Professional Engineers	http://www.nysspe.org
NFPA International	http://www.nfpa.org
NHBC	http://www.nhbc.co.uk
Niagara Construction Association	http://www.niagaraconstruction.org
NOFMA Wood Flooring Manufacturers Association	http://www.nofma.org
Non-Ferrous Founders' Association	http://www.nffs.org
North America Association of Food Equipment Mfgs	http://www.nafem.org
North America Fiber Cement Association	http://www.nafca.org
North America Insulation Manufacturers Association	http://www.naima.org
North American Green	http://www.nagreen.com
North American Insulation Manufacturers Association of Canada	http://www.naimacanada.ca
North American Society for Trenchless Technology	http://www.nastt.org
North Carolina Masonry Contractors Assoc.	http://www.ncmca.com
North Dakota Society of Professional Engineers	http://www.ndspe.org
Northeastern Lumber Manufacturers Association	http://www.nelma.org
Northeastern Retail Lumber Association	http://www.nrla.org
Northwest Mining Association	http://nwma.org
Northwest Wall & Ceiling Bureau	http://www.nwcb.org
Northwestern Lumber Association	http://www.nlassn.org
NSF International	http://www.nsf.org
Offshore Technology Conference	http://www.otcnet.org
Ohio Lumbermen's Association	http://www.ohiolumber.org
Ohio Society of Professional Engineers	http://www.ohioengineer.com
Oklahoma Lumbermen's Association	http://www.oklumber.org
Oklahoma Society of Professinal Engineers	http://www.ospe.org
Ontario General Contractor Association	http://www.ogca.ca
Ontario Road Builders Association	http://www.orba.org
Ontario Sewer & Watermain Construction Association	http://www.oswca.org
Operative Plasters'& Cement Masons'Int'l.Assoc.of USA & Canada	http://www.opcmia.org
Ottawa Construction Association	http://www.oca.ca
Outdoor Power Equipment & Engine Service Association	http://www.opeesa.com
Pacific Water Association	http://www.pwa.org.fj
Paint & Decorating Retailers Association	http://www.pdra.org
Painting & Decorating Contractors of America	http://www.pdca.com
Painting & Drywall Work Preservation Fund	http://www.wpfcompliance.org
Pan American Surety Association	http://www.apfpasa.com.ar
Pennsylvania Society of Professional Engineers	http://www.pspe.org
Pension Real Estate Association	http://www.prea.org
Perlite Institute	http://www.perlite.org
Petroleum Equipment Institute	http://www.pei.org
Pile Driving Contractors Association	http://www.piledrivers.org
Pipe Fabrication Institute	http://www.pfi-institute.org
Pipe Trades Association	http://www.pipeta.org
Pipeline Constractors Association	http://www.plca.org
Piping Industry Progress & Education	http://www.pipe.org
Plastic Pipe & Fittings Association	http://www.ppfahome.org
Plastics Pipe Institute	http://www.plasticpipe.org
Plumbing & Drainage Institute	http://www.pdionline.org
Plumbing & Mechanical Contractors Association	http://www.pmcaoregon.com
Plumbing Heating Cooling Contractors Association National	http://www.phccweb.org
Plumbing Heating Cooling Contractors Association - Alaska	http://www.amcaanc.org
Plumbing Heating Cooling Contractors Association - California	http://www.caphcc.org
Plumbing Heating Cooling Contractors Association - Connecticut	http://www.ct-phcc.org
Plumbing Heating Cooling Contractors Association - DC	http://www.dcplumbers.com
Plumbing Heating Cooling Contractors Association - Delaware	http://www.phccdelaware.com
Plumbing Heating Cooling Contractors Association - Georgia	http://www.plumbingpros.com
Plumbing Heating Cooling Contractors Association - Illinois	http://www.ilphcc.com
Plumbing Heating Cooling Contractors Association - Indiana	http://www.iaphcc.com
Plumbing Heating Cooling Contractors Association - Iowa	http://www.phccia.org
Plumbing Heating Cooling Contractors Association - Kansas	http://www.kphcc.org
Plumbing Heating Cooling Contractors Association - Kentucky	http://www.kaphcc.com
Plumbing Heating Cooling Contractors Association - Maine	http://www.mainephcc.com
Plumbing Heating Cooling Contractors Association - Maryland	http://www.phccmd.org
Plumbing Heating Cooling Contractors Association - Massachusetts	http://www.phccma.org
Plumbing Heating Cooling Contractors Association - Minnesota	http://www.minnesotaphcc.org
Plumbing Heating Cooling Contractors Association - Nebraska	http://www.phccne.org
Plumbing Heating Cooling Contractors Association - New Hampshire	http://www.nhpmc.org
Plumbing Heating Cooling Contractors Association - New Jersey	http://www.nj-phcc.org
Plumbing Heating Cooling Contractors Association - New York	http://www.nysphcc.org
Plumbing Heating Cooling Contractors Association - North Carolina	http://www.ncaphcc.org
Plumbing Heating Cooling Contractors Association - Ohio	http://www.phccohio.org
Plumbing Heating Cooling Contractors Association - Oregon	http://www.orphcc.com
Plumbing Heating Cooling Contractors Association - Pennsylvania	http://www.paphcc.org
Plumbing Heating Cooling Contractors Association - Virginia	http://www.pmpv.org
Plumbing Heating Cooling Contractors Association - Washington	http://www.phccwa.org
Plumbing Heating Cooling Contractors Association - Wisconsin	http://www.wisconsinsbestplumbers.com
Plumbing Manufacturers Institute	http://www.pmihome.org
Polyiscyanurate Insulation Manufacturers Association	http://www.pima.org
Porcelain Enamel Institute	http://www.porcelainenamel.com
Portable Sanitation Association International	http://www.psai.org
Portland Cement Association	http://www.cement.org
Post-Tensioning Institute	http://www.post-tensioning.org
Power & Communication Contractors Association	http://www.pccaweb.org
Precast Prestress Concrete Institute	http://www.pci.org
Precision Metalforming Association	http://www.metalforming.com
Professional Constructon Estimators Association	http://www.pcea.org
Professional Engineers of Colorado	http://www.pec.org
Professional Engineers of North Carolina	http://www.penc.org
Professional Engineers of Nova Scotia	http://www.apens.ns.ca
Professional Engineers of Ontario, Canada	http://www.peo.on.ca
Professional Engineers of Oregon	http://www.oregonengineers.com
Professional Services Management Association	http://www.psmanet.org
Professional Women in Construction	http://www.pwcusa.org
Project Management Forum	http://www.pmforum.org
Project Management Institute	http://www.pmi.org
Property Management Association	http://www.pma-dc.org
Prospectors & Developers Association of Canada	http://www.pdac.ca
Protective Glazing Council	http://www.protectiveglazing.org
Quality Assurance Service	http://www.sai-global.com
Radiant Panel Association	http://www.radiantpanelassociation.org
Redwood Inspection Service of the CA Redwood Association	http://www.calredwood.org
Reflective Insulation Manufacturers Association	http://www.rima.net
Refractory Metals Association	http://www.mpif.org
Refrigeration Service Engineers Society	http://www.rses.org
Renewable Energy & Energy Efficiency Partnership	http://www.reeep.org
Rescue Engineering Council	http://www.rescueengineering.org
Residential Energy Services Network	http://www.natresnet.org
Resin Flooring Association	http://www.ferfa.org.uk
Responsible Energy Codes Alliance	http://www.reca-codes.org
Retail Contractors Association	http://www.retailcontractors.org
Risk & Insurance Management Society	http://www.rims.org
Road Information Program	http://www.tripnet.org
Rocky Mountain Institute	http://www.rmi.org
Rocky Mountain Masonry Institute	http://www,rmmi.org
Roof Coatings Manufacturers Association	http://www.roofcoatings.org
Roof Consultants Institute	http://www.rci-online.org
Royal Architectural Institute of Canada	http://www.raic.org
Royal Institute of British Architects	http://www.riba.org
Royal Institution of Chartered Surveyors	http://www.rics.org
Rubber Manufacturers Association	http://www.rma.org
Rubber Pavements Association	http://www.rubberpavements.org
Safety Glazing Certification Council	http://www.sgcc.org
Sarnia Construction Association	http://www.sca@bellnet.ca
SAVE International	http://www.value-eng.org
Scaffold Industry Association	http://www.scaffold.org
Scaffolding,Shoring & Forming Institute	http://www.taol.com/ssfi
Scientific Certification System	http://www.scscertified.com
Screen Manufacturers Association	http://www.smacentral.org
Sealant, Waterproofing & Restoration Institute	http://www.swrionline.org
Security Industry Association	http://www.siaonline.org
Sheet Metal & Air Conditioning Contractors	http://www.smacna.org
Sheet Metal Occupational Health Institute Trust	http://www.smohit.org
Sheet Metal Workers' International Association	http://www.smwia.org
Single Ply Roofing Institute	http://www.spri.org
Slag Cement Association	http://www.slagcement.org
Society for College & University Planning	http://www.scup.org
Society for Human Resource Management	http://www.shrm.org
Society for Marketing Professional Services	http://www.smps.org
Society for Mining, Metallurgy & Exploration	http://www.smenet.org
Society for Organic Petrology	http://www.tsop.org
Society for Protective Coatings	http://www.sspc.org
Society of American Military Engineers	http://www.same.org
Society of American Registered Architects	http://www.sara-national.org
Society of Automotive Engineers	http://www.sae.org
Society of Automotive Engineers	http://www.sae.org
Society of Building Science Educators	http://www.sbse.org
Society of Cable Telecommunications Engineers	http://www.scte.org
Society of CAD Engineers	http://www.cadsociety.org
Society of Cost Estimating & Analysis	http://www.sceaonline.net
Society of Economic Geologists	http://www.segweb.org
Society of Exploration Geophysicists	http://www.seg.org
Society of Fire Protection Engineers	http://www.sfpe.org
Society of Hispanic Professional Engineers	http://www.shpe.org
Society of Industrial & Office Realtors	http://www.sior.com
Society of Manufacturing Engineers	http://www.sme.org
Society of Mexican American Engineers & Scientists	http://www.maex-natl.org
Society of Mining Engineers	http://www.smenet.org
Society of Naval Architects & Marine Engineers	http://www.sname.org
Society of Petroleum Engineers	http://www.spe.org
Society of Plastics Engineers	http://www.4spe.org
Society of the Plastics Industry	http://www.socplas.org
Society of Tribologists & Lubrication Engineers	http://www.stle.org
Society of Women Engineers	http://www.swe.org
Solar Energy Industries Association	http://www.seia.org
Solar Rating & Certification Corporation	http://www.solar-rating.org
SolarSmart Roof Alliance	http://www.solarsmartroof.org
South African Association of Consulting Engineers	http://www.saace.co.za
South African Institute of Steel Construction	http://www.saisc.co.za
South Carolina Society of Professional Engineers	http://www.scspe.org
South Dakota Engineering Society	http://www.sdes.org
Southern Building Code Congress International	http://www.sbcci.org
Southern Building Material Association	http://www.southernbuilder.com
Southern Cypress Manufacturers Association	http://www.cypressinfo.org
Southern Forest Products Association	http://www.sfpa.org
Southern Pine Inspection Bureau	http://www.spib.org
Specialized Carriers & Rigging Association	http://www.scranet.org
Specialty Steel Industry of North America	http://www.ssina.com
Specifications Consultants in Independent Practice	http://www.scip.com
Spray Polyurethane Foam Alliance	http://www.sprayfoam.org
Sprayed Concrete Association	http://www.sca.org.uk
Standards Engineering Society	http://www.ses-standards.org
State Licensing Requirements	http://www.contractors-license.org
Steel Alliance	http://www.thenewsteel.org
Steel Construction Institute	http://www.steel-sci.org
Steel Deck Institute	http://www.sdi.org
Steel Door Institute	http://www.steeldoor.org
Steel Erectors Association of America	http://www.seaa.net
Steel Framing Alliance	http://www.steelframingalliance.com
Steel Industry Systems Association	http://www.sisa.net
Steel Joist Institute	http://www.steeljoist.com
Steel Manufactures Association	http://www.steelnet.org
Steel Recycling Institute	http://www.recycle-steel.org
Steel Stud Manufacturers Association	http://www.ssma.com
Steel Tank Institute	http://www.steeltank.com
Steel Tube Institute	http://www.steeltubeinstitute.org
Steel Window Institute	http://www.steelwindows.com
Structural Board Association	http://www.osbguide.com
Structural Engineers Association-International	http://www.seaint.org
Structural Insulated Panel Association	http://www.sipa.org
Stucco Manufacturers Association	http://www.stuccomfgassoc.com
Subcontractors Trade Association	http://www.stanyc.com
Surety Association of America	http://www.surety.org
Surety Association of Canada	http://www.surety-canada.com
Surety Information Office	http://www.sio.org
Sustainable Buildings Industry Council	http://www.sbicouncil.org
Swedish Institute of Steel Construction	http://www.sbi.se
Swedish Society of Heating & AirConditioning Engineers	http://www.siki.se
Technology Asset Protection Association	http://www.tapaonline.org
Telecommunications Industry Association	http://www.tiaonline.org
Tennessee Society of Professional Engineers	http://www.tnspe.org
Texas Council of Engineering Companies	http://www.cectexas.org
Texas Masonry Council	http://www.texasmasonrycouncil.org
Texas Society of Professional Engineers	http://www.tspe.org
Texas Transportation Institute	http://tti.tamu.edu
The Beavers	http://www.thebeavers.org
The Infrastructure Security Partnership	http://www.tisp.org
The Metals Society	http://www.tms.org
Thermal Insulation Manuf.& Suppliers Association	http://www.timsa.org.uk
Third World Centre for Water Management	http://www.thirdworldcentre.org
Tile Contractors Association of America	http://www.tcaainc.org
Tile Council of America	http://www.tileusa.com
Tilt-Up Concrete Association	http://www.tilt-up.org
Timber Frame Business Council	http://www.timberframe.org
Timber Frame Guild of North America	http://www.tfguild.org
Timber Framers Guild	http://www.tfguild.org
Toronto Construction Association	http://www.tcanetworks.com
Transit Standards Consortium	http://www.tsconsortium.org
Transport Research Laboratory	http://www.trl.co.uk
Transportation Association of Canada	http://www.tac-atc.ca
Transportation Research Board	http://www.nas.edu/trb
Transportation Research Board/Marine Board	http://www.trb.org
Transportation Security Administration	http://www.tsa.gov/public
Trenchless Information Center	http://www.no-dig.com
Truck Mixer Manufacturers Bureau	http://www.tmmb.org
Truss Plate Institute	http://www.tpinst.org
Tubular Exchanger Manufacturers Association	http://www.tema.org
Turfgrass Producers International	http://www.turfgrasssod.org
U.S. Tennis Court & Track Builders Association	http://www.ustctba.com
U.S.Green Building Council	http://www.usgbc.org
U.S.Society on Dams	http://www.ussdams.org
UK Civil Engineering	http://www.ukcivilengineering.co.uk
Underground Contractors Association	http://www.uca.org
Underwriters Laboratories	http://www.ul.com
Underwriters Labratories Canada	http://www.ulc.ca
Uni-Bell PVC Pipe Association	http://www.uni-bell.org
United Assoc.of Journeymen & Apprentices of Plb.Pipe Fitting Ind.USA&Canada	http://www.ua.org
United Brotherhood Carpenters & Joiners of America	http://www.carpenters.org
United Engineering Foundation	http://www.uefoundation.org
United Mason Contractors Association of Dallas	http://www.umca-dfw.com
United Nations Environment Programm Industry & Environment	http://www.unepie.org
United Union of Roofers,Waterproofers & Allied Workers	http://www.unionroofers.com
Urban Land Institute	http://www.uli.org
Utah Association of Plumbing & Mechanical Officals	http://www.uapmo.com
Vinyl Siding Institute	http://www.vinylsiding.org
Virginia Society of Professional Engineers	http://www.vspe.org
WACEL	http://www.wacel.org
Washington Building Congress	http://www.wbcnet.org
Water & Wastewater Equipment Manufacturers Association	http://www.wwema.org
Water Environment Federation	http://www.wef.org
Water Jetting Association	http://www.waterjetting.org.uk
Water Quality Association	http://www.wqa.org
Welding Research Council	http://foreng1.securesites.net
Western Building Material Association	http://www.wbma.org
Western Council of Construction Consumers	http://www.wccc.org
Western Fire Chiefs Association	http://www.wfca.com
Western Research Institute	http://www.westernresearch.org
Western States Roofing Contractors Association	http://www.wsrca.com
Western Wall & Ceiling Contractors Association	http://www.wwcca.org
Western Wood Preservers Institute	http://www.wwpinstute.org
Western Wood Products Association	http://www.wwpa.org
Window & Door Manufacturers Association	http://www.nwwda.org
Wire Reinforcement Institute	http://www.wirereinforcementinstitute.org
Wisconsin Society of Professional Engineers	http://www.wspe.org
Women Construction Owners & Executives	http://www.wcoeusa.org
Women Contractors Association	http://www.womencontractors.org
Wood Moulding & Millwork Producers Association	http://www.wmmpa.com
Wood Products Manufacturers Association	http://www.wpma.org
Wood Truss Council of America	http://www.woodtruss.com
Woodworking Machinery Distributors Association	http://www.woodweb.com
World Energy Council	http://www.worldenergy.org
World Federation of Engineering Organizations	http://www.unesco.org/fmoi
World Floor Covering Association	http://www.wfca.org
World Green Building Council	http://www.worldgbc.org
World Plumbing Council	http://www.worldplumbing.org
World Road Association	http://www.piarc.org
World Water Council	http://www.worldwatercouncil.org
Wyoming Society of Professional Engineers	http://www.wyspe.org