Auto Dealers
Honda MotorWerks
Joe Cooper Ford
Suburban Ford of Sterling Heights
World CNG LLC

ASSOCIATES
ALL-CRAFT
City of Las Vegas
Gas Technology Institute
Hocking College
New York City DOT
Texas General Land Office
U.S. Postal Service

EQUIPMENT AND SERVICE SUPPLIERS
A-1 Alternative Fuel Systems
ACES
Advance Fuel Systems
AFV International
Agility Fuel Systems
Air & Gas Technologies
American Power Group Inc.
ANGI International, LLC
Applied LNG Technologies USA, LLC
Aspro
AVSG
BAF Technologies
Baker Equipment
Bauer Compressors Inc.
Baytech Corporation
Chart Industries
Clean Energy Fuels Corp.
Clean Fuels Consulting
CleanFuel Conversions
Clean Vehicle Solutions
CNG Cylinders International
CNG Sales, LLC
CP Industries
Diesel2Gas
Dynetek Industries, Ltd.
Emission Solutions, Inc.
Engineered Energy Solutions
Enviro Express Natural Gas, LLC
Faber Industrie S.p.A.
Fuel Solutions
Mansfield Gas Equipment Systems Inc.
Gilbarco Veeder-Root
Gladstein, Neandross & Associates
Go Natural
GreenField Compression, Inc.
Greenkraft Inc.
IMPCO Technologies, Inc.
IMW Industries Ltd.
J.C. Carter
J-W Power Company
Kirk Energy
Knox Western
Kraus Global Inc.
Landi Renzo
Larson Design Group
Lazard Capital Markets
Leggett & Platt Commercial Vehicle Products
Lincoln Composites, Inc.
Luxfer/Hydrospin Gas Cylinders
Micro Motion
NatGas Car
Natural Drive
NGV Motori
OEM Systems, LLC
P.C. McKenzie
PetroCard Systems, Inc.
Phoenix Energy Corp.
Prometheus Energy Company
PSB Industries
Raymundo Engineering
Rotarex, Inc.
Saybr Contractors, Inc.
Spectrum Energy Services
SSP Fittings Corp.
Structural Composites Industries
Swagelok Co.
Tiax LLC
Titeflex Corporation
The Green Group
Thomason & Associates
TransEco Energy
Trillium USA
Tulsa Gas Technologies
VNG.Co.
WEH Technologies Inc.
Woodward
Xebec Inc.
Xperion Energy & Environment GmbH

FLEETS
Blue Water Area Trans. Commission
Centre Area Transportation Authority
Chickasaw Nation
Paper Transport Inc.
UPS
Waste Management

NATURAL GAS UTILITIES
Alagasco
Atlanta Gas Light
Arkansas Oklahoma Gas
Black Hills Utility
Clearwater Gas System
Delta Natural Gas
Elk River Public Utilities District
EQT
Laclede Gas
Metropolitan Utilities District (Omaha)
Public Service of North Carolina (SCANA)
San Diego Gas & Electric® (Sempra)
Southern Carolina Electric & Gas (SCANA)
Southern California Gas Company(Sempra)
South Jersey Gas Company
TECO Energy
Vermont Gas
We Energies

NATURAL GAS AND BIOMETHANE PRODUCERS
Apache Corporation
Chesapeake Energy
Encana
Laredo Petroleum
Linde BOC
Noble Energy, Inc.
Pioneer Natural Resources
Range Resources Corporation
Willams Companies

ORIGINAL EQUIPMENT MANUFACTURERS
Blue Bird Corp.
Chrysler
Cummins Westport
Heil Environmental
Westport Innovations