• Endicott Clay Products Co.

• Fizzano Brothers Concrete Products

• Fleetwood Building Block

• Flow Media, Inc.

• Focuseal

• Foundation Support Works

• GE Bayer Silicones bv E-Business Services

• GE Canada Inc.

• GE Sealants and Adhesives

• Gage Brothers Concrete Products, Inc.

• GeoBond International, Inc.

• Glass Blocks Unlimited

• Global Plastics

• Grace Construction Products

• Granite Importers

• Great Lakes Roofing and Insulation Systems, Inc.

• Greenstreak, Inc.

• Grimm Building Material Co., Inc.

• HUESKER inc. USA

• HUNT Manufacturing Ltd.

• Haw Creek Southern Cypress & Heart Pine

• Helifix North America Corporation

• Hepner Brothers

• Hohmann & Barnard, Inc.

• Homasote Company

• ITW Red Head