• A-1 Refrigeration Company

• AFGO Industrial Sales

• ALCO Manufacturing, Inc.

• API Ketema

• Adams Rite Manufacturing Co.

• Aftermarket Specialties, Inc.

• Air Conditioning Exchange, Inc.

• Alfa Laval Thermal Inc.

• American Panel Corp.

• Arctichill

• Baltimore Aircoil of Canada

• Bard Manufacturing Company

• Bershad Design Associates

• Black Landscape Contracting Inc.

• Bohn Refrigeration Products

• Boulder Associates, PC

• Cha & Innerhofer Architecture + Design

• Chain Link Systems

• Coil Company

• Cooper Carry, Inc.

• Copeland Corp.

• Copeland Refrigeration of Canada Ltd.

• Data Aire

• Delta Heat Transfer

• Dunham-Bush, Inc.

• Evcon Industries (York International Corp.)

• Flakice Corporation

• Foster Wheeler Ltd.

• Frick Co.

• Friedrich Air Conditioning Co.

• Frigidaire Commercial Products Co.

• Gagliardi Group, Inc.

• Geneglace USA

• Grasso

• Hastings HVAC, Inc.

• Heat Controller, Inc.

• Heatcraft Commercial Products

• Heatcraft Refrigeration Products

• Heatcraft, Inc. RPD

• Howe Corporation

• Hussmann Corp.

• Joseph Davis

• Koldwave

• Krack Corp.

• Kramer Inc.

• Kysor Panel Systems

• Larkin Refrigeration Products.

• Lee Products

• Lennox Industries Ltd.

• Marlo, Inc.

• McGervey Electric Inc.

• McQuay International

• Mervyn Salt Landscapes

• Miller-Picking

• Niagara Blower Co.

• Nor-Lake Scientific

• Nordyne

• PowerCold Corporation

• RSI Co.

• Rapids Wholesale Equipment Co.

• Rome-Turney Radiator Company

• Ruthrauff Inc.

• Stephen Sparn & Associates, PC

• Trane Co.

• Trent Technologies

• Vilter Mfg. Corp.

• Vittitow Refrigeration

• Water Technology, Inc.

• Witt Plastics, Inc.

• York International Corp.

• Zero Zone, Inc.