Companies

• Cambridge Sound Management

• Armstrong Ceilings and Suspension Systems

• Armstrong World Industries

• C G C Interiors Division OF C G C Inc.

• CGC Inc

• CertainTeed

• Chicago Metallic Corporation

• ClarkDietrich Building Systems

• Dewalt Industrial Power Tools Co.

• Fry Reglet Corp.

• Hunter Douglas Contract - Ceilings

• ProCoat Products, Inc.

• Simplex Ceilings

• United Plastics Corporation