Companies

• Carolina Products Inc.

• Cassidy Bros. Forge, Inc.

• Central Fan Company

• Chain Link Systems

• Chalfant Dor-Seals

• Champion Pneumatic Machinery Co.

• Chelsea Fans & Blowers

• Chesmont Engineering Co Inc

• Chronomite Laboratories

• Cla-Val Co.

• CleanZones, LLC

• Coast Products

• Coil Company

• Cold Point Corporation

• Colmac Coil Mfg. Inc.

• Combustion Research Corp.

• Comfortmaker

• Commercial Environmental Systems Group

• Control Systems International, Inc.

• ControlAir Inc.

• Cryogel

• Cyclotherm of Watertown

• DGH Systems LLC

• Dakota Granite Co.

• Data Aire

• Delta Flo Mfg. Co.