Manufacturers Metals presents links to other valuable web sites
within the steel industry:

American Iron & Steel Institute (AISI)
American Metal Market (AMM)
American National Standards Institute
Association of Iron and Steel Engineers
ASTM
Cool Metal Roofing Coalition
Economic Strategy Institutes
Galvinfo
International Iron and Steel Institute
Metal Building Manufacturers Association
Metal Construction Association
Metal Roofing Alliance
Metals Service Center Institute (MSCI)
National Coatings Corp.
National Coil Coaters Association
Steel Framing Alliance
Steel Service Center Institute
Steel Shipping Container Institute
Steellinks.com AIST