• Western Specialty Contractors

• A & T Iron Works, Inc.

• ALEC, Inc. Electrical Contractors

• ASC Steel Deck

• Alimak Elevator Company

• Allied Metal Centers

• Almet Inc.

• Argus Steel Products

• Armtec Construction Products Inc.

• BHP Steel Building Products USA

• Baab Steel, Inc.

• Barge, Waggoner, Sumner and Cannon, Inc.

• Barker Steel-Lebanon Div.

• Barkhurst Construction

• Bil-Jax

• Bloomsburg Metal Co.

• Bratton Corp.

• Brown-Campbell Steel Corp.

• Bustin Industrial Products

• Canada Culvert & Metal Products Ltd.

• Canam Manac Group Inc., Canada

• Canam Manac Group Inc., USA

• Canam Steel Corporation

• Cardello Electric Supply Co.

• Charron Sports Services, Inc.

• Coble Metal Works

• Comfort Supply Inc.

• Consolidated Steel Services, Inc.

• Cordeck

• Crescent Iron Works

• Cresswell Inc.

• Customweld Industries

• DTArchitecture

• Daka Corp.

• Danos & Curole

• Dave Steel Co.

• Division Lead Limited Partnership

• Earl Swensson Associates, Inc. (ESa)

• Enco Materials of Georgia

• Epic Metals Corp.

• Epic Metals Corporation

• FAMM Steel

• Fivecat Studio

• Formit Steel

• G.W.L. Inc.

• Grant County Steel

• Grate Clip Co.

• Grating Fasteners

• HICORP Steel Buildings, Inc.

• Haas Industries

• Harrington Environmental Engineering

• Hayes-Howell

• Heritage Building Systems

• Home of Garden Concepts, Inc.

• IKG Industries

• ITW Buildex

• Indiana Wire Co.

• J & J Drainage Products Co.

• Klein Steel Service

• Kuno Steel Product Corp.

• Loadmaster Systems

• Martin Fireproofing Corporation

• Max Weiss Co.

• McNICHOLS Company

• Metro Fence Company, Inc.

• Morton Mfg. Co.

• New Electric Enterprises Inc.

• New Millennium Building Systems LLC

• Ohio Gratings Inc.

• Platnick Steel & Engineering

• Precast Systems, LLC

• Quickway Metal Fabricators

• RHC/Spacemaster Corp.

• Rigidized Metals Corp.

• Seidelhuber Metal Products

• Shenango Steel Buildings

• SlipNOT Safety Flooring Div.

• Southeastern Metals Manufacturing Co., Inc.

• Staley Steel

• State Street Steel

• Stowe Forge & Stone

• T.H.B. Painting & Decorating

• The Design Forum Inc.

• The Mohawk Manufacturing Company

• The Wiremold Company

• Tumminello Builders Co., Inc.

• U.S. Architectural Products, Inc.

• U.S. Foundry & Mfg. Corp.

• US Door & Building Components

• United Steel Deck, Inc.

• United Steel Products

• Ventaire, Inc.

• Vicwest

• W.S. Molnar Co.

• WCI Steel, Inc.

• Western Pacific Storage Systems

• Whaleyco

• Wheeling Corrugating Co. Div.

• Wiremold Canada Inc.

• Zimmer Gunsul Frasca Partnership