Door and Access Systems Manufacturers Association
The Door and Access Systems Manufacturers Association (DASMA) is North America’s leading trade association of manufacturers of garage doors, rolling doors, high performance doors, garage door operators, vehicular gate operators, and access control products. Our 100+ member companies manufacture products sold in virtually every county in America, in every U.S. state, every Canadian province, and in more than 70 countries worldwide. DASMA members’ products represent more than 95 percent of the U.S. market for the door industry.
Courtesy of DASMA's web site