Technical/Association

AGC - The Associated General Contractors of America
ASTM International
The Brink Industry Association
MSDSSEARCH - The National MSDS Repository
NCMA-National Concrete Masonry Association
Occupational Safety and Health Administration - OSHA

Manufacturers

Belden - The Belden Brick Company
Boral Bricks
Dur-O-Wal
Essroc: Leading Manufacturer of Cement for the Cement Industry
General Shale Brick
Glen-Gery Brick
Hohmann & Barnard, designers of anchor and reinforcement systems
Karnak
Lawrenceville Brick
Lee Brick
Lehigh Cement Company
Pittsburgh Corning Glass Block
RockCast
Redland Brick
Taylor Clay
Trenwyth Industries - High-end Architectural Concrete Masonry Units
Wire Bond