Established
in 1969, HMMA is a voluntary, non-profit business association composed
of more than 60 member companies throughout North America. HMMA
is the largest of the six divisions of the Chicago-based National
Association of Architectural Metal Manufacturers (NAAMM), an organization
established in 1938, with roots reaching back to 1907. Known throughout
the consutruction industry for their strength, durability, design
flexibility and suitability in demanding settings, hollow metal
steel doors and frames remain the logical choice for discerning
architects, engineers and specifiers who demand high quality and
cost-effective solutions.
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