• Armstrong World Industries

• Ashton Clarke Pressed Metal Designs

• Balmer Architectural Mouldings

• Barwood Flooring Ltd.

• CGC Inc

• Centaur Products Inc.

• CertainTeed

• Chelsea Decorative Metal Co.

• Chicago Metallic Corporation

• EMD Chemicals Inc., Pigments Div.

• Entol Industries, Inc.

• Grand River Door

• Gym-Con Ltd.

• Hunter Douglas Contract - Ceilings

• LaHabra

• M-Boss, Inc.

• Primco (PWL) Ltd.

• Rigidized Metals Corp.

• San Diego Sheet Metal Works

• Satin Finish Hardwood Flooring Ltd.

• Shelter Enterprises, Inc.

• Simplex Ceilings

• WF Norman Corporation