Architecture
American Institute of Architects www.aia.org
Architectural Research Institute www.architect.org
Architectural Record www.architecturalrecord.com
Metropolis www.metropolismag.com
Architecture Week www.architectureweek.com
Great Buildings www.greatbuildings.com
Construction
Association of Specialty Contractors www.assoc-spec-con.org
American Subcontractors Association www.asaonline.org
Metal Construction Association www.mca1.org
SMACNA www.smacna.org
Construction Guidelines www.constructionguidelines.org
Metal
London Metal Exchange www.lme.co.uk
Specialty Steel Industry of North America www.ssina.com
Copper Development Association www.copper.org
American Zinc Association www.zinc.org
Nickel Institute www.nickelinstitute.org
International Titanium Association www.titanium.org
Technical
ASTM (American Society for Testing and Materials) www.astm.org
ANSI (American National Stds Inst) www.ansi.org
AISC (American Institute of Steel Construction) www.aisc.org
AWS (American Welding Society) www.aws.org
AAMA (American Architectural Manufacturers Association) www.aamanet.org