• Western Specialty Contractors

• A & T Iron Works, Inc.

• ALEC, Inc. Electrical Contractors

• Abalon Precision Mfg. Corp.

• Admiral Steel

• Alfords Welding Shop

• Allsteel & Gypsum Products, Inc.

• Almet Inc.

• Alpine Engineered Products, Inc.

• Alpine Engineered Products, Inc.

• Baab Steel, Inc.

• Barker Steel-Lebanon Div.

• Barkhurst Construction

• Bloomsburg Metal Co.

• Bratton Corp.

• Bristol Environmental, Inc.

• CEMCO

• Canam Manac Group Inc., Canada

• Canam Manac Group Inc., USA

• Canam Steel Corporation

• Cardello Electric Supply Co.

• Comfort Supply Inc.

• Copper Development Association Inc.

• Customweld Industries

• Daka Corp.

• Enco Materials of Georgia

• FAMM Steel

• Formit Steel

• Grant County Steel

• Hayes-Howell

• Heimbuck Welding & Ornamental Iron

• Kent Trusses

• Martin Specialty Coatings

• Metro Mfg

• Parton Lumber Company

• Platnick Steel & Engineering

• Precast Systems, LLC

• Shenango Steel Buildings

• Southeastern Metals Manufacturing Co., Inc.

• Southeastern Metals Manufacturing Co., Inc.

• Super Stud Building Products

• Trus Joist MacMillan

• iSPAN Systems LP