• AFGO Industrial Sales

• Air Plastics

• Arctichill

• Associated Fiberglass Enterprises

• BERG Chilling Systems Inc.

• Baltimore Aircoil Co.

• Baumbach Enterprises Ltd.

• BayNets Safety Systems

• Bohn Refrigeration Products

• Ceramic Cooling Tower Co.

• Cla-Val Co.

• Coil Company

• Delta Cooling Towers

• General Shelters of Texas S.B.

• Heatcraft, Inc. RPD

• Heimbuck Welding & Ornamental Iron

• Joseph Davis

• Larkin Refrigeration Products.

• Lockwood Products

• Naylor Pipe Co.

• Niagara Blower Co.

• PowerCold Corporation

• Protec Cooling Towers

• SPX Cooling Technologies, Inc

• Seidelhuber Metal Products

• Thermal Care

• Tower Tech

• Vilter Mfg. Corp.

• Vittitow Refrigeration

• Water Technology, Inc.