7-Eleven Inc · Abengoa · ACT Commodities Inc · ADM · Agron Bioenergy LLC · Air Liquide · Air Quality Consultants · AJW, Inc. · Allotrope Partners LLC & West Coast Representative IETA · Alpha Inception · American Carbon Registry · Autumn Wind Associaties · Baker & McKenzie LLP · BC Environmental Insurance Brokers, Inc. · Biofuels Development Group · Blue Source · BP · BP Energy · Brightfield Energy · Brookside · CA Public Utilities Commission · California Air Resource Board · California Biodiesel Alliance · California Ethanol & Power · California ISO · CaliforniaCarbon.info · Chevron · Chevron Corporation · City of San Francisco · Clean Energy Fuels · Clean Energy Renewables · Climate Action Reserve · Coalition-Renewable Nat. Gas · Community Fuels · Constellation: An Excelon Company · CTX North America · DRW Commodities · DTE Biomass Energy, Inc. · E&B Natural Resources Management Corp · E2 · E3 · Eco-Energy · EDF Trading · Element Markets · Energy Power Partners · Environment & Energy Publishing · Environmental Attribute Advisors · EPA · EverStream Capital · Evolution Markets · First Environment, Inc. · Flyers Energy, LLC · Foresight Group US · Gaz Métro · GHI Energy, LLC · GlassPoint Solar · Glencore · GlobalView · Golden Gate Petroleum · Government of Alberta · Green Carbon · ICF International · ICIS · ICIS Tschach Solutions · Idaho Power Company · Idemitsu Apollo · IETA · Independent Consultant · Inland Empire Energy Center, LLC · Intercontinental Exchange, Inc. (ICE) · Iogen Corporation · IPC USA, Inc · KAAPA Ethanol · Karbone Inc. · Kentucky River Properties · Koch Supply & Trading · Latham & Watkins · Life Cycle Associates · Low Carbon Fuels Coalition · Lunday Thagard · Manatt · Mansfield Oil · Mansfield Oil (now at PBF) · Manzanita Advisors · Marex Spectron · Napa Valley Petroleum · Nepal Agriculture Workers Union · Nepal Framar Union · Neste Oil · New Forests · NextGen Climate America · Noble Americas · NuStar Energy, LP · Oberon Fuels, Inc. · Office of Governor Jay Inslee · Oregon Clean Fuels Program · Origin Climate Inc. · Pacific Gas and Electric Company · PBF Energy · Pearson Fuels · PFL · PG&E · Phillips 66 · Platinum Partners · POET · Powerex Corp. · Pro Petroleum Inc. · Propel Fuels · Red Mesa, LLC · Renewable Energy Group · Restore the Earth Foundation · RINAlliance Inc. · Royal Bank of Canada · RPMG · Ruby Canyon Engineering · S&A Carbon · Sacramento Municipal Utility District · Sacramento Regional Transit District · SCB & Associates · SCB Group · SEI Fuel Services, Inc. · Shell Energy North America · Shell Oil Products US · SK Energy Americas Inc. · SMUD · SoCalGas · Southern California Gas · SPEC Services, Inc. · State of California Department of General Services · Statkraft · STOEL RIVES LLP · Terra-Gen · Tesoro · Tesoro Companies, Inc. · Tesoro Refining & Mktg. · TexonLP · TFS Energy · The Climate Trust · The Earth Partners LP · The Finerty Group, Inc. · TransCanada Pipelines · Turlock Irrigation District · UC Davis · US Oil · Verdeo · Vermont Agency of Administration · Wabashco · Waterfall Group · Western Canada Biodiesel Association