US National Contractor Associations 

American Subcontractors Association

"The American Subcontractors Association amplifies the voice of and leads trade contractors to improve the business environment for the construction industry and to serve as a steward for the community."

Associated Builders and Contractors

"ABC's membership represents all specialties within the U.S. construction industry and is comprised primarily of firms that perform work in the industrial and commercial sectors of the industry. "

Associated General Contractors of America

"A full service national trade association with a nationwide network of exceptional chapters, AGC represents more than 30,000 leading firms in the industry - including general contractors, specialty contractors and service providers and suppliers."

Associated Specialty Contractors

"Associated Specialty Contractors is an umbrella organization of nine national associations of construction specialty contractors, whose combined membership totals more than 25,000 firms."

Concrete Sawing and Drilling Association

"The mission of the Concrete Sawing and Drilling Association is to promote the use of professional specialty sawing and drilling contractors and their methods."

Mason Contractors Association of America

"The Mason Contractors Association of America (MCAA) is the national trade association representing mason contractors."

National Association of Home Builders

"NAHB is a trade association that helps promote the policies that make housing a national priority. Since 1942, NAHB has been serving its members, the housing industry, and the public at large."

National Roof Deck Contractors Association

"The National Roof Deck Contractors Association represents contractors who install engineered roof deck substrates that provide structural support and insulation to roofing system applications."

National Roofing Contractors Association

"NRCA is one of the construction industry's most respected trade associations and the voice and leading authority in the roofing industry for information, education, technology and advocacy. "

Sheet Metal and Air Conditioning Contractors' National Association (SMACNA)

"SMACNA's mission is to provide products, services, and representation to enhance members' businesses, markets, and profitability."

Slate Roofing Contractors Association of North America, Inc.