• Concredamp, Div. Durasol Corporation

• Concrete, Inc.

• Connor Sports Flooring Corporation

• Contemporary Panels, Inc.

• Control Systems International, Inc.

• Controlled Environments Ltd

• Controlled Environments for Industry, Inc.

• Corbel Design, Inc.

• Corian Solid Surfaces

• Data Aire

• Davis-Frost

• Decolam

• Delta Scientific Corp.

• Dittmer Architectural Aluminum

• Dor-O-Matic Inc

• Dow Building Solutions

• Ductmate Industries

• Duo-Gard Industries

• Dura-Oak Cabinet Refacing Products

• E. Vernon Hill

• ECI/Hyer, Inc.

• ECO Corp.

• ECO-Block, LLC

• ERICO

• Easi-Set Industries

• Eclipse America