• GAF

  Founded in 1886, GAF is the largest roofing manufacturer in North America. The Company is an operating subsidiary of Standard Industries. GAF products include a comprehensive portfolio of roofing systems for residential and commercial properties, which are supported by an extensive national network of factory-certified contractors.

• Panasonic Eco Systems North America

  Panasonic Eco Systems North America, Indoor Air Quality (IAQ) Division operates under Panasonic Corporation of North America. Panasonic IAQ is committed to providing IAQ solutions that make it easier for home builders and installers to meet code and comply with stringent ventilation standards.

• GAF

• Panasonic Eco Systems North America

• Berner International

• ACE Hose & Rubber Co.

• AIL Sound Walls

• AK Steel Corporation

• Acoustic Standards, Inc.

• Aero Environmental Limited

• Air Conditioning Exchange, Inc.

• Air Diffusion Council

• Air Handling Systems By Mfg. Svc Co.

• Air Plastics

• Alcore Fabricating Group

• Alpha Free-Flow Industries Ltd.

• Anco Products, Inc.

• Anguil Environmental Systems, Inc.

• Associated Fiberglass Enterprises

• Atco Rubber Products

• Atlantic Fabritech

• Augusta Fiberglass

• Belco Mfg. Co.

• Bittner Industries

• Bradco Supply Corporation

• Brechbill & Helman Construction Company, Inc.

• Buckley Associates

• Car-Mon Products, Inc.

• Century Steel Erectors Co.

• Cole Hersee

• Composite Structures, Inc.

• Cooper Carry, Inc.

• Copeland Corporation

• Crown Products Co.

• DISA

• Danser

• DeHart

• Deutsch Associates

• Dewalt Industrial Power Tools Co.

• Dixie Sheet Metal Products

• Ducts, Inc.

• Dur-O-Wal, Inc.

• Durasystems Barriers Inc.

• E.H. Gustafson & Co.

• Earl Swensson Assoc., Inc. (ESa)

• Ecco Heating Products Ltd.

• Environmental Corrections

• FOF INC.

• Fiber-Tech Engineering, Inc.

• Field Controls Company

• Flex-Hose Co.

• Flexaust Company

• Flexmaster USA

• Foremost Duct, LLC

• Francer Industries

• Frommelt Safety Product

• Gantec Equipment Co.

• General Plastics Manufacturing Company

• Glen Martin Engineering, Inc.

• H Edward Black & Associates PC

• H.B. Reynolds, Inc.

• HEMCO corp.

• Hart & Cooley Inc.

• Heil Process Equipment

• Hydro-Flex Inc.

• IDEA Design/Build

• IRP Industrual Rubber

• Industrial Metal Craft

• International Chimney Corp.

• Iowa Precision Industries

• J.B. O'Connor Co., Inc.

• J.B.I.

• Johnston-Morehouse-Dickey Co.

• Kennedy Tank & Manufacturing Company, Inc.

• Knauf Insulation

• Kuhlmann Design Group, Inc.

• LL Building Products

• Labconco Corporation

• Lennox Industries Ltd.

• Leslie-Locke

• Louisville Dryer Company

• Luwa Bahnson Inc.

• MagVent LLC

• McGill AirSeal Corporation

• Mercer Rubber Co.

• Met-Pro Corporation

• Metalflex Division

• Mike Green Fire Equipment Co.

• Murphy-Rodgers

• Murray Sheet Metal Co.

• NR Murphy Limited

• Nailor Industries Inc.

• National Systems of Garage Ventilation

• Naylor Pipe Co.

• Nemato Composites Inc.

• Nibco Inc.

• PPC Industries

• Pathway Bellows

• Plastronics

• Power Plant Supply Company

• Powrmatic of Canada Ltd.

• Pyramid Industries

• Quietaire Corporation

• RCD Corporation

• RCD Corporation

• Reinforced Plastics Systems Inc.

• Retterbush Fiberglass Corp.

• Richard Goettle, Inc.

• Roof Products & Systems Corporation

• Rupp Industries Inc.

• Sasco Tubes and Roll Forming Inc.

• Semco Incorporated

• Seneca Environmental Products

• Senior Flexonics (Canada) Ltd.

• Southeastern Metals Manufacturing Co., Inc.

• Southwark Metal Mfg.

• Spirax Sarco Canada Ltd.

• Spiro Metal Tube Inc.

• Stansteel and Hotmix Parts and Service

• Stetson Building Products, Inc.

• T.A. Caid Industries

• The Crosby Group, Inc.

• Tri-Mer Corp.

• Tru-Flex Metal Hose Corp.

• Unico, Inc.

• United McGill Corporation

• United Metal Fabricators of Texas

• Viron International Corp.

• W C Wood Company Ltd.

• WES-CO Industries