• 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.

• Owens Corning

• ABC Supply Co., Inc.

• Barrett Company

• Company 2001, Inc.

• EMCO Building Products

• Fields Company LLC

• GAF

• GS Roofing Products.( CertainTeed Corporation)

• Garland Canada Inc.

• Globe Building Materials

• Harvey Building Products

• ICA

• Ink Smith Inc.

• MacDermot Studio

• Mule-Hide Products Co.

• NEI Advanced Composite Technology (NEI, Inc.)

• RGM Products

• Stevens Roofing Systems

• Tamko Roofing Products

• The Garland Company UK Ltd.

• The Garland Company, Inc.

• Thermo Manufacturing

• Urecoats Industries Inc.