• Food Tech Structures, LLC

• Freeman Marine Equipment

• Fulton Windows

• G-S Co.

• GE Plastics

• GE Polymershapes Insulgard

• Gaffco

• Galaxy Organization

• Garretson Tile Company

• Gerkin Windows & Doors

• Glitsch Detention Services Div.

• Globe Amerada Glass Company

• Goldbrecht European Window & Door Solutions

• Graham Architectural Products

• Grand Openings

• Great Lakes Window, Inc.

• Habersham Metal Products Co.

• Harvey Building Products

• Haven Technology Corp.

• Heimbuck Welding & Ornamental Iron

• Hollowell Products Co.

• HomerWood Corporation

• Hope's Windows

• Hopeman Correctional Systems

• Humphrey Products

• Hurd Windows and Doors