Building Technology  

The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) is an international trade association representing 1,834 member firms in 97 chapters throughout the United States, Canada, Australia, and Brazil. A leader in promoting quality and excellence in the sheet metal and air conditioning industry, SMACNA has offices in Chantilly, VA., which is outside of Washington, D.C., and on Capitol Hill.

The Construction Management Association of America is an industry association dedicated to the practice of professional construction management. CMAA represents more than 16,000 members including federal/state/local government and private sector owners, construction consultants, technology suppliers, academia, and legal organizations all with a common goal: to improve our nation's infrastructure.