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Hollow Metal Manufacturer's Association 
A division of NAAMM, HMMA is an association of more than 60 manufacturers of hollow metal doors and frames. HMMA’s website features: Our acclaimed standards and guide specification documents. A directory of HMMA members nearest your project. The Hollow Metal Manual – a comprehensive guide to the industry’s standard practices and construction specifications.
Woodwork Institute
A regional Trade Association and Standards/Certification Authority serving California, Nevada, Arizona and Oregon.
For Additional Division 08 Associations, Reference Organizations and Related Publications and Web Sources