AA Green Leasing
A-1 Alternative Fuel Systems
ACES
Advanced Fuel Systems
Advanced Green Innovations
AltechEco
AFV International
AFV Natural Gas Fuel Systems
Agility Fuel Systems (Sponsor)
Air & Gas Technologies
Alagasco
ALL-CRAFT
American Power Group Inc.
American Natural Gas
ANGI International, LLC
Apache
Applied LNG Technologies USA, LLC
ARES Transportation Technologies
Argent Marine
Arkansas Oklahoma Gas
Aspro
Atlanta Gas Light
AVSG LP
BAF Technologies
Baker Equipment
Bauer Compressors Inc.
Black Hills Energy
Blue Water Area Trans. Commission
Carbon Cutter Transport
Carter Cryogenics
Centre Area Transportation Authority
Chart Industries
Chesapeake Energy
Chickasaw Nation
Chrysler
Clean Energy Fuels Corp. (Sponsor)
Clean Vehicle Solutions
Clean Fuels Consulting
CleanFuel Conversions
Clean Power Resources Inc.
Clearwater Gas System
CNG Cylinders International
CNG Equipment Solutions
CNG Source, Inc.
Corridor Clean Fuels, LLC
CP Industries
CPS Energy
Cummins Westport
Delta Natural Gas Co.
Desert Gas
Diesel 2Gas
Dynetek Industries, Ltd.
Easton Utilities
EcoDual
Elk River Public Utility District
Emerald Alternative Energy Solutions
Emission Solutions, Inc.
Encana (Sponsor)
Engineered Energy Solutions
Enviro Express Natural Gas, LLC
EQT Corporation
ET Environmental
Faber Industrie S.p.A.
Flagship NGV
Fuel Solutions
Gas Technology Institute
General Motors
Gilbarco Veeder-Root
Gladstein, Neandross & Associates
Go Natural
GP Strategies Corporation
GreenField Compression, Inc.
Greenkraft Inc.
GTM Manufacturing
Honda Motorwerks
Hunt, Guillot & Associates
IMPCO Technologies
IMW Industries Ltd.
INOXCVA
International CNG
ITT Conoflow
Jazz Gas
J-W Energy
Kakco LLC
Kirk Energy
Kraus Global Inc.
Labrie Enviroquip Group
Laclede Gas Company
Landi Renzo
Larado Petroleum
Larson Design Group
Lazard Capital Markets
Leggett & Platt Commercial Vehicle Products
Lincoln Composites, Inc. (Sponsor)
Linde
Luxfer/Hydrospin Gas Cylinders
Mack Trucks
Mansfield Gas Equipment Systems Inc.
Metropolitan Utility District (Omaha) (Sponsor)
Micro-Design, Inc.
Micro Motion
Morris + Associates
NatGasCar
NCF
Noble Energy Inc.
Northern Natural Gas
Northville Natural Gas
Norwich Public Utilities
NGV Institute
NGV Motori
NGV Solutions, LLC
OEM Systems, LLC
Omnitek
OPW Fueling Components
Parkway NGV
Paper Transport
P.C. McKenzie
Pensacola Energy
Piedmont Natural Gas
Pioneer Natural Resources
PowerFuel CNG Systems
Professional Engineering Consultants Corporation (PEC)
Prometheus Energy Company
PSB Industries
Public Service of North Carolina (SCANA)
Raymundo Engineering
Rotarex, Inc.
Ryder Fleet Management Solutions
Saybr Contractors, Inc.
SEMPRA (SolCalGas and SDG&E)
South Jersey Gas Company
Structural Composites Industries
Suburban Ford of Sterling Heights
Swagelok Co.
TECO Energy
Texas General Land Office
Thomason & Associates
The Green Group
3M Company
Tiax
Titeflex Corporation
Transfuels LLC
Trillium USA
Tulsa Gas Technologies
UGI
Ultimate CNG LLC
UPS
U.S. Postal Service
U.S. Venture, Inc.
Vermont Gas
VNG.Co
Venchurs Vehicle Systems, LLC
Volvo Trucks
Waste Management
WEH Technologies Inc.
Westport Innovations
Williams Companies
Wiretough Cylinders
Woodward Inc.
Xebec
Xperion Energy & Environment GmbH