Defining Standards

In Metal Construction Since 1938

NAAMM is the leading U.S. trade association and standards-setting organization for architectural metal manufacturers. It exists to support the industry by developing technical standards and specification guidance, promoting member manufacturers, and serving as a resource for architects, specifiers, contractors, and building owners.

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ANSI Standards Developer

NAAMM Divisions

NAAMM exists to represent architectural metal manufacturers and to provide the standards, technical guidance, and industry coordination that help architects, specifiers, contractors, and owners use those products consistently and correctly.

NAAMM
Hollow Metal
Manufacturers Association
Hollow Metal Manufacturers Association

Hollow Metal Manufacturers Association (HMMA) establishes technical specifications and quality standards for hollow metal doors, frames, and hardware components. It provides authoritative guidance to help specifiers, contractors, and owners ensure long-lasting performance and structural integrity in commercial construction.
NAAMM
Expanded Metal
Manufacturers Association
Expanded Metal Manufacturers Association

Expanded Metal Manufacturers Association (EMMA) supports the design and production of expanded metal products across the industry. The group provides clear manufacturing standards and technical resources to help you choose the right mesh for structural or architectural needs.
NAAMM
Architectural
Metal Products
Architectural Metal Products

Architectural Metal Products (AMP) focuses on custom and decorative metalwork, including stairs, railings, grilles, and ornamental elements. This division offers design guidelines and fabrication specifications to assist architects in seamlessly integrating custom metals into commercial buildings.
NAAMM
Metal
Bar Grating
Metal Bar Grating

Metal Bar Grating (MBG) establishes clear standards and safety guidelines for metal bar grating. It offers reliable technical advice on load limits, materials, and layout so you can build safe, dependable walkways and flooring.

Architects, Engineers, Specifiers & Contractors
Follow NAAMM Standards

NAAMM’s role is to give credibility, technical direction, and industry coordination to the architectural metals market—helping ensure products are specified, manufactured, and used according to recognized standards while also representing the interests of member companies.

What Decision-Makers Say About NAAMM

Evan Mathews, Member since 2012
“The association serves as a trusted voice and resource, keeping members informed and engaged on the issues that matter most.”
Evan Mathews, Member since 2012
Codey Lenahan, Member since 2021
“One of the most rewarding parts of beings involved with NAAMM have been the people. The relationships I’ve built have led to valuable business collaborations, incredible membership, and lifelong friendships that extend far beyond the industry.”
Codey Lenahan, Member since 2021

Benefits of Membership

NAAMM helps bring consistency, credibility, and technical confidence to the architectural metals category. For members, that means representation, collaboration, and market support; for the industry, it means access to recognized standards, educational resources, and guidance that reduces ambiguity in design and procurement.
  • Access to industry-leading technical standards and publications
  • Networking and collaboration with top manufacturers
  • Increased visibility and credibility in the construction market
  • Participation in industry advocacy and regulatory discussions
  • Opportunities for leadership, voting, and influence
  • Division-specific expertise and specialization
Learn More

Publications

The most recent NAAMM technical publications and manuals are listed below.

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Recent Publications

Hardware Locations for Hollow Metal Doors and Frames
Standards For Expanded Metal
Glossary of Terms for Hollow Metal Doors and Frames
Metal Bar Grating Code of Standard Practice

Upcoming Events

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News

  • ANSI/NAAMM Pending Standards

    06/11/2026

    The following new ANSI/NAAMM standard is currently being revised: The development of the standard was announced in both the ANSI Standards Action and…

  • ANSI/NAAMM Pending Standards

    06/11/2026

    The following ANSI/NAAMM Standard is under revision or proposed for reaffirmation and is available for public comment. Draft standrad for public revie…

  • ANSI/NAAMM Pending Standards

    06/11/2026

    The following ANSI/NAAMM standards are under revision or proposed for reaffirmation and are available for public comments: Draft standards for public…

  • ANSI/NAAMM Pending Standards

    12/10/2025

    The following new ANSI/NAAMM standard is currently being developed: The development of the standard was announced in both the ANSI Standards Action an…

  • ANSI/NAAMM Pending Standards

    12/10/2025

    The following ANSI/NAAMM standards are currently being considered for revision or have a revision in progress: The pending revisions were announced in…