California Aire - Fire Dampers	Stark, Carroll G. & Associates
California Aire - Fire Dampers Fire/Smoke, Control Dampers	Perfect Air Control, Inc.
California Economizer	Haldeman, Inc.
Calmac - Ice Tanks	Trane Company, Inc.
Cannon Tech - Heat Recovery, Economizers & Waste Heat Boilers	Hugh Dean & Co.
CAR-MON - CO Exhaust Systems	Louis Horsefield & Associates
Carbon Dioxide Sensors & Controls	Engelhard Sensor Technologies
Carbon Filters (Extraction Systems)	Air Conditioning Specialties Co.
Carbon Monoxide Sensors & Controls	Engelhard Sensor Technologies
CARRIER CORP. - Air Conditioning	US Air Conditioning Distributors
Cemline - Packaged Water Heaters, Custom Tube Bundles & Tanks	Dawson Co.
Central Blower, Blowers	Perfect Air Control, Inc.
Central Plant Building Automation Sys.	York International Corp.
Centrifugal Chiller Driveline Retrofits	York International Corp.
Centrifugal Chillers	York International Corp.
Centrifugal, Heli Rotor and Absorption Chillers	Trane Company, The
Charcoal Service Corp.	Class One Technology
Chicago Blowers	Conditioning Components Co.
Chillers - Custom Design	Heat Technology Products
Chillers, Air Cooled Industrial	DB Sales & Service
Chillers, Air Cooled Water	DB Sales & Service
Chillers, DX (Governair, Applied Products)	Air Treatment Corp.
Chillers, Engine-driven	Dockendorf, W.G., Inc.
Chillers, Industrial	DB Sales & Service
Chillers, Natural Gas Engine Driven	DB Sales & Service
Chillers, Packaged Air Cooled	DB Sales & Service
Chillers, Packaged Water Cooled	DB Sales & Service
Clean Stream - Cooling Tower Filtration Systems	Ozonex
Cleanroom Services	The Palt Company, a California Corp.
Clestra Cleanroom Group	Class One Technology
ClimateMaster, I.E.C. Corp.	Climatemaster, I.E.C. Corp.
Cogeneration Systems	Air Treatment Corp.
Coils, Aluminum	DB Sales & Service
Coils, DX, Water, Steam, Hot Water	DB Sales & Service; Haldeman, Inc.
Coils, Colmac	Conditioning Components Co.
Commercial Acoustics - Sound Attenuators	Toro-Aire, Inc.
Compressors - Remanufactured	Quality Compressor, Inc.
Compressors, Belt-Drive	DB Sales & Service
Compressors, Piston-Type	DB Sales & Service
Compressors, Screw	DB Sales & Service
Computer Room Units (Pomona Air)	Air Treatment Corp.
Cooling Towers, Non-corrosive, packaged	K.H. Watts Company, Inc.