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  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.

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  Kingspan Insulation LLC

  Kingspan Insulation is a division of construction materials giant Kingspan Group. Kingspan insulation manufactures optimum, premium and high performance rigid, fiber-free insulation and building wrap products and insulated systems for building fabric and building services applications.

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  Owens Corning

  Owens Corning develops, manufactures and markets insulation, roofing, and fiberglass composites. The company’s market-leading businesses use their deep expertise in materials, manufacturing, and building science to develop products and systems that save energy and improve comfort in commercial and residential buildings.

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  W. R. MEADOWS, INC.

  W. R. MEADOWS delivers one of the broadest lines of premium-grade construction products available to architects, engineers, contractors, and building owners to meet a multitude of construction application needs. Our extensive line of high performance, premium-grade construction products has been developed for use in, on, around, and under concrete.

• GAF

• Kingspan Insulation LLC

• Owens Corning

• W. R. MEADOWS, INC.

• BASF Corporation

• 1WindowQuilts.com

• A D Fire Protection Services Inc.

• A/D Fire Protection Systems Inc.

• ABC Supply Co., Inc.

• Acme Dynamics

• Advanced Coatings Inc.

• Air Economy Corp.

• Alumiseal Corporation

• Andek Corporation

• Aucutt's Inc.

• BASF Canada Inc.

• Barker Steel-Lebanon Div.

• Berner International Corporation

• CIE-Nergy Ply-Foil Canada

• CSD Sealing Systems

• Canadian Industrial Distributors Inc.

• Canam Building Envelope Specialists

• Colbond Geosynthetics

• Corrosion Control Products Company

• Crissey Fowler Lumber Co.

• Denarco Co.

• Dow Corning Inc.

• DuPont Tyvek Weatherization Systems

• Durock Alfacing International Limited

• Dynaforce Corp.

• EMCO Building Products

• EnergyCraft Systems

• Enviromentally Safe Products

• Environmentally Safe Products, Inc.

• Fire Stop Systems

• Foam Enterprises Inc.

• GREENBLOCK EPS-ICF Building Systems

• Grace Construction Products

• Hayworth Fence Co., Inc.

• Henry Company

• Hyload Roofing Systems

• Ink Smith Inc.

• Innovative Energy, Inc.

• Innovative Formulations Inc.

• Innovative Insulation Inc.

• Insulation Corporation of America

• Johns Manville Corp.

• K & I Contractors, Inc.

• Lamtec Corp.

• Lennel Specialties Corporation

• Loadmaster Systems

• NEI Advanced Composite Technology (NEI, Inc.)

• Owens Corning Canada

• Pemko Manufacturing Company

• Poly-Tech Radiant Inc.

• Poly-Tech Radiant Inc. (Ayr Reflective)

• Poly-Wall International, Protective Coatings Technology, Inc.

• Polymer Adhesive Sealant Systems, Inc.

• Preferred Solutions, Inc. (PSI)

• Progress Unlimited, Inc.

• Protecto Wrap Company

• Quiet Window Mfg.

• RHH Foam Systems

• RPC

• RectorSeal Corporation

• Reef Industries, Inc.

• Reemay, Inc. (A BBA Nonwovens Company)

• Rubber Polymer Corporation (R.P.C., Inc.)

• SSHC

• Saint-Gobain Performance Plastics

• Seal Master Corporation

• Sealeze Corp.

• Shelter Enterprises, Inc.

• Simplex Products

• Society of Plastics Industry

• Solar Energy Corporation

• Specified Technologies Inc.

• Steve Johnson Painting

• Stuc-O-Flex International, Inc.

• Taylor Devices, Inc.

• W.R. Grace & Co.

• Water Structures