• AFGO Industrial Sales

• API Ketema

• Advanced Radiant Systems

• Air Conditioning Exchange, Inc.

• Aqua Care Systems, Inc.

• Baltimore Aircoil Co.

• Bershad Design Associates

• Bohn Refrigeration Products

• Canadian Cedar Log

• Coil Company

• Colmac Coil Mfg. Inc.

• Commercial Environmental Systems Group

• Croll-Reynolds Co.

• Data Aire

• Doucette Industries

• Dunham-Bush, Inc.

• Edwards Engineering Corp.

• Enviromaster International

• Flakice Corporation

• Frick Co.

• Grasso

• Halco Products Co. Div.

• Hansen Refrigeration Service Inc.

• Heatcraft Commercial Products

• Howe Corporation

• Hussmann Corp.

• International Comfort Product

• Joseph Davis

• Krack Corp.

• Kramer Inc.

• Larkin Refrigeration Products.

• Lee Products

• Mammoth, Inc.

• McGervey Electric Inc.

• McQuay International

• Miller-Picking

• Niagara Blower Co.

• Nordic Aire Inc.

• PowerCold Corporation

• RSI Co.

• Rome-Turney Radiator Company

• SPX Cooling Technologies, Inc

• Standard Refrigeration Co.

• Swenson Process Equipment Inc.

• Tilton Kelly Bell

• Turbotec Products

• Vilter Mfg. Corp.

• Vittitow Refrigeration

• Water Technology, Inc.

• Zero Zone Refrigeration

• Zero Zone, Inc.