- Bechtel (CA)
- Fluor Daniel (SC)
- Weidlinger Associates (NY)
- STV (NY)
- Ove Arup and Partners (NY)
- Terracon (MO)
- URS (NY)
- Leslie E. Robertson Associates (NY)
- Smith-Emery (CA)
- Bureau Veritas (PA)
- Bowser – Morner Testing Laboratories (OH)
- TTL (AL)
- Materials Testing & Inspection (ID)
- Kakivik Asset Management (AK)
- QA Services (AK)
- Quality Inspection Services (NY)
- Wilfred Baker Engineering (Oklahoma)
- the Haskell Corporation (FL)
- FRH / DTA (NJ)
- RK&K (MD)
- BLDD (IL)
- Churchill Engineering Consultants (NJ)
CONSULTING ENGINEERS/ INSPECTION AND TESTING AGENCIES
OWNERS
- Port Authority of New York and New Jersey
- US Army Corps of Engineers (Huntington, WV) (Ft Benning, GA) (Philadelphia, PA)
- State of California – Division of the State Architect
- New York City Transit Authority
- Metropolitan Transit Authority (New York)
- New York City School Construction Authority
- Duke Power
- Tennessee Valley Authority
- Southern Companies
- Pacific Gas and Electric
- Consumers Power Company
- Carolina Power & Light
- DuPont
- Idaho National Engineering and Environmental Labs
- Montana Department of Transportation
- ADM Design Services (Illinois)
- Metropolitan Water Reclamation District of Greater Chicago
FABRICATORS/ MANUFACTURERS
- Schuff Steel (AZ)
- PVS (IA
- Nucor Building Systems (SC, IN)
- Douglas Steel (MI)
- Butler Manufacturing (MO)
- Steel Supply and Engineering (MI)
- VP Steel Buildings (TN)
- Nucor-Yamato Steel (AR)
- Bethlehem Contracting Company (PA)
- Ft Wayne Structural Products (IN)
- Central Minnesota Fabricating (MN)
- CMC Joists (AR)
- KSL (NM)
- Industrial Steel Construction (IN)
- Centria (PA)
- Future Fabricating (MI)
- Electronics Research Industries (IN)
- Atlas-Copco Drilling Equipment (TX)
ERECTORS
- American Bridge / Fluor Joint Venture (CA)
- Tacoma Narrows Constructors (WA)
- Buckner Companies (SC)
- Aker Solutions (PA)
- Schueck Steel (AR)
- Danny’s Construction Co. (MN, IN)
- Western Steel Erectors (CA)
- Schuff Steel (AZ)
ORGANIZATIONS
- Institute for Steel Development and Growth (India)
- Canadian Institute of Steel Construction
- Heavy Engineering Research Association (New Zealand)
- Welding Technology Institute of Australia
- South African Institute of Welding
- Canadian Welding Association
- Nigerian Institute of Welding
- Structural Engineers, Inc. (Ecuador)
- Association of Professional Engineers of Trinidad & Tobago
- Associated Steel Erectors (Chicago)
- Bi-State Fabricators Association (Missouri)
OTHERS
- Quality Management Company / AISC
- Operating Engineers Local 150 (Illinois)