National Associations

American Institute of ArchitectsThe American Institute of Architects was founded in 1857 and has represented the professional interests of America's architects.

American Planning Association The American Planning Association is a nonprofit public interest and research organization representing 39,000 practicing planners, officials, and citizens involved with urban and rural planning issues.

American Society of Civil Engineers The American Society of Building Engineers (ASCE) represents more than 137,500 members and is the oldest national engineering society in America.

American Subcontractors Association The American Subcontractors Association Inc. is an IRS section 501(c)(6) nonprofit, national, membership trade association of 5,500 subcontractors, specialty trade contractors and suppliers in the construction industry.

American General Contractors of America The Associated General Contractors of America is an organization of construction contractors and industry related companies operating in partnership with its Chapters.

Construction Industry Round Table The Construction Industry Round Table (CIRT) is comprised of approximately 100 CEOs from architectural, engineering and construction firms doing business in the United States.

Construction Management Association of America The Construction Management Association of America promotes construction management as a professional discipline adding value to the entire construction process.

Construction Specifications Institute CSI is a national association of specifiers, architects, engineers, contractors, building materials suppliers and others involved.

Construction Users Round Table The Construction Users Round Table is an organization that provides a forum for the exchange of information, views, practices and policies of various owners at the national level..

Energy & Environmental Building Association Energy & Environmental Building Association provides education and resources for the residential design, development and construction industries to deliver energy efficiency and environmentally responsible buildings and communities.

National Association of Home Builders NAHB represents the building industry by serving its members and affiliated state and local builders associations.

National Frame Builders Association The NFBA website is a resource for the post-frame (a.k.a., "pole building") industry.

National Home Builders Institute The Home Builders Institute is the workforce development arm of the National Association of Home Builders.

National Institute of Standards and Technology National Institute of Standards and Technology is a non-regulatory federal agency with promoting industrial competitiveness through measurement science, standards, and technology.