Acacia Environmental
Group

AECOM

AIU Holdings

AJW Inc

Alberta Research Council

Alston & Bird, LLP

Alstom Power

American Electric Power

American Petroleum Institute

Anderson Oil & Gas Inc

Arcelormittal

Argonne National Laboratory

Arkansas Oil and Gas Commission, Arkansas Representative, IOGCC

Australian Government

Babst Calland Clements and Zomnir PC

Baker Hughes

Battelle

BDO Seidman LLP

Bellona USA

Big Sky Carbon

Black Pool Energy

Blue Source

BNSF Railway Company

Brown McCarroll LLP

Bureau of Economic Geology, University of Texas at Austin

Calera Corporation

Cameron

Carbon Sciences

Carbon Sequestration

Cemex Central

CH2M HILL

Chaparral Energy LLC

Chevron Corporation

Clean Air Task Force

Clean Coal Technology

Climate Change Capital

Coal Utilization Research Council

ConocoPhillips

Conrad Geoscience Corp

Core Energy LLC

Corning Incorporated

Delfan Energy

Denbury Resources

Dow Chemical Company

E&E Inc

El Paso Corporation

Electric Power Research Institute (EPRI)

Encore Acquisition Company

Edison Electric Institute

Enegis LLC

Energy & Environmental Research Center, University of North Dakota

Entergy Services

Environmental Defense

Environmental Defense Fund

ERM

Excelsior Energy Inc

Fennemore Craig

Fulbright & Jaworski LLP

GE Energy

Gladstein, Neandross & Associates

HEP Oil Company

Howden Global

Hudson Strategic Energy
Advisors

Hydrogen Energy

Idaho National Laboratory

Illinois State Geological
Survey

Indiana Geological Survey

JETRO Chicago Inc

JP Morgan, Global Commodities

Kentucky Energy & Environment Cabinet

Kinder Morgan Inc

Khosla Ventures

Koch Glitsch

Korea University

Lawrence Livermore National Lab

Leadership Forum

Lockheed Martin Inc

Lonquist & Co LLC

Marlin Exploration

Marsh USA Inc

Melzer Consulting

Merchant Consulting

Minerals Management Service

Mitsubishi Heavy Industries America

Multifuels LP

Nalco

National Energy Technology Laboratory

Natural Resources Canada

Natural Resources Defense Council

New Energy Finance

NiSource Gas Transmission & Storage

Office of Grant S Bromhal

Peabody Energy Corporation

Petrobras CENPES R&D Center

Petroleum Technology Research Centre

PGS Onshore Inc

Potomac Investments

Praxair, Inc.

Ramgen Power Systems

Reliant Holdings Ltd

REYST

RiskMetrics Group, Inc.

RW Beck Inc

Sargas Inc

Sargent & Lundy LLC

Saskatchewan Research Council

Schlumberger Carbon Services

Shell Exploration and Production

Shell International Exploration & Production Inc

Signal Hill Management LLC

SK Energy

Solar Turbines Inc.

Solutia Inc

Southern Company

Southern States Energy Board

Southern Ute Growth Fund

Southwest Research Institute

Spectra Energy Corporation

Strickler Resources

Strong Pipkin Bissell & Ledyard LLP

Subsurface Technology Inc

Tenaska Inc

Texas American Resources Co

Texas House of Representatives

Texas State Energy Conservation Office

The Energy and Environmental Research Center

Total holding

TransCanada Corp.

U.S. Department of Energy

University of Arizona

University of Texas Austin

University of Wyoming

URS Corporation

U.S. Department of Energy

US Senate Committee on Energy

US Senate, Energy and Natural Resources Committee

Valero Energy Corporation

Wapiti Energy, LLC

Weatherford International

West Virginia Dept of Environmental Protection

West Virginia University

WestCarb

Wyoming House of Representatives