ACTA
Air Cold Supply
Air Duct Cleaning/Machado Environmental
Albritton Company
Alliance Environmental Group
American Coil
AQHI, Inc.
Arzel Zoning Technology
Aspen Mfg./Litteral & Assoc.
Atlas Sales & Rentals, Inc.
AVR Associates
BC Sales
Braeburn Systems, LLC
Bryant Heating & Cooling Systems
Burke Engineering Co.
C.A. Schroeder, Inc.
California Energy Commission
California Hot Water Supply
Campbell Components
Carrier Corporation
CARSES
CHEERS
Classic Grills
Coilmen Plus/Heatcraft
Compressor Parts & Repair
Compusource Corporation
Conservation Services Group
Cozy
Creative Climate, Inc.
CTP Manufacturing
Danfoss
DBS Associates, Inc.
Delta-Q, Inc.
Denco
DuraTite Systems
El Monte Truck Center
Embraco NA

EZ Trap/Slimduct
Ferguson Heating & Cooling
Fieldpiece Instruments
GasperAir
GE ECM by Regal-Beloit
General Filters, Inc.
Genie Air Conditioning & Heating
Global HVAC Distributors/RUUD
Goodman Distribution, Inc.
Heating & Cooling Supply
Honeywell
Howard Industries
IAPMO
Industrial Van
International Code Council
Keeprite Refrigeration
Keyline Sales
Lennox Industries
Longo Toyota
Los Angeles Dept. of Water & Power
Mason Industries
Mitsubishi Electric HVAC
Navien America, Inc.
Omni Duct Systems
P.W. Stephens, Inc.
Pacific Systems Group
Phoenix Manufacturing
Profit Strategies, Inc.
Quality Verification Services
Quietside
Rahn Industries
RCI II
Rescue Tape (Harbor Products)
Rodman & Company, Inc.
Roof Products, Inc.
Rottiers Sales

Service Roundtable
Sierra Chevrolet
SMD Research, Inc.
So Cal Air Dynamics
SOCCO Plastic Coating
Soleus International
Southern Calif. Gas Co.
Southern Calif. Sheet Metal JATC
Sumner Manufacturing
TAC
Technical Training Associates
Test Products International
Testo, Inc.
The Energy Conservatory
Thorson Motor Center
Totaline
TRC Sales
Turbo Air
Tuttle Click Chrysler, Jeep, Dodge
United Refrigeration, Inc.
US Airconditioning Distributors/
“Coleman"
US Airconditioning Distributors/
“LuxAire"
US Airconditioning Distributors/
“Source 1"
US Airconditioning Distributors/
“York Commercial"
US Airconditioning Distributors/
“York Residential"
Westech Associates
Western Component Sales
Williams Furnace Co.
Wright Sales Co.
Wrightsoft Corporation