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Metal Bar Grating Division / NAAMM

Glen Ellyn, IL

About the Metal Bar Grating Division / NAAMM

Metal-Bar-Grating-logoThe Metal Bar Grating Division (MBG) of the National Association of Architectural Metal Manufacturers (NAAMM) is comprised of bar grating manufacturers from the United States, Canada, Mexico and parts of South America. The MBG is the only known publisher of manuals for standard and heavy-duty bar grating recognized and approved by the American National Standards Institute (ANSI). These NAAMM/ANSI standards provide assurance that grating needs are satisfied by products of consistent quality and availability. To learn more, visit

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