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NAHB RESEARCH CENTER APPROVED
Building materials and building products
Owned by: NATIONAL ASSOCIATION OF HOME BUILDERS OF THE UNITED STATES
Serial Number: 77046293
NAHB RESEARCH CENTER CERTIFIED
Wood structural panels, plumbing fixtures, and other building materials, products, and systems used in construction
Owned by: NATIONAL ASSOCIATION OF HOME BUILDERS OF THE UNITED STATES
Serial Number: 78842956
NAHB RESEARCH CENTER APPROVED
Building materials and building products
Owned by: NATIONAL ASSOCIATION OF HOME BUILDERS OF THE UNITED STATES
Serial Number: 77046299
NAHB RESEARCH CENTER CERTIFIED
Wood structural panels, plumbing fixtures, and other building materials, products, and systems used in construction
Owned by: NATIONAL ASSOCIATION OF HOME BUILDERS OF THE UNITED STATES
Serial Number: 78752992
NAHB RESEARCH CENTER GREEN APPROVED
Building products, components, systems, and materials used in construction
Owned by: NATIONAL ASSOCIATION OF HOME BUILDERS OF THE UNITED STATES
Serial Number: 77553625
