Sheet Metal and Air Conditioning Contractors' National Association

The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA; pronounced 'Smack'-'Nah') is an international trade association with more than 4,500 contributing contractor members [1] in 103 chapters [2] throughout the United States, Canada, Australia and Brazil. Its headquarters is in Chantilly, Virginia.

  1. ^ "SMACNA Applauds "Partnership for Multiemployer Retirement Security Initiative"". Archived from the original on 2015-02-09. Retrieved 2014-04-23.
  2. ^ "Sheet Metal and Air Conditioning Contractors' National Association". Archived from the original on 2013-11-02. Retrieved 2014-04-23.