Abengoa Bioenergy Corp.

Guardian Lima

ABE South Dakota, LLC

Heartland Corn Products

Absolute Energy

Homeland Energy Solutions, LLC

Ace Ethanol, LLC

Husker Ag, LLC

Adkins Energy, LLC

KAAPA Ethanol, LLC

Aemetis

Lincolnland Agri-Energy, LLC

Al-Corn Clean Fuel

Little Sioux Corn Processors, LP

Archer Daniels Midland Co.

Merrick & Company

Aventine Renewable Energy Holdings, LLC

Mid America Bio Energy and Commodities, LLC

Badger State Ethanol, LLC

Mid-Missouri Energy, Inc.

Big River Resources West Burlington, LLC

Pacific Ethanol Inc.

Bushmills Ethanol Inc.

Parallel Products

Central Indiana Ethanol, LLC

Patriot Renewable Fuels LLC

Central MN Ethanol Coop

Penford Products

Chippewa Valley Ethanol Co.

Plymouth Energy

Commonwealth Agri-Energy, LLC

Purified Renewable Energy, LLC

Dakota Ethanol, LLC

Quad County Corn Processors

Didion Ethanol, LLC

Redfield Energy, LLC

East Kansas Agri-Energy, LLC

Reeve Agri Energy, Inc.

E Energy Adams

Siouxland Ethanol LLC

Glacial Lakes Energy, LLC

Tate & Lyle

Golden Grain Energy, LLC

The Andersons Inc.

Granite Falls Energy, LLC

Trenton Agri Products, LLC

GTL Resources, USA

Western New York Energy, LLC

Guardian Energy

Abengoa Bioenergy

Inbicon

Beta Renewables

Iogen

BlueFire Renewables

Mascoma

Clariant

Qteros

Enerkem

ZeaChem

Fulcrum BioEnergy

AgMotion, Inc.

Kinder Morgan Inc.

AGRA Industries, Inc.

Lallemand Biofuels & Distilled Spirits

Agri-Fine Corporation

Lansing Ethanol Services, LLC

AgStar Financial Services

Leonard, Street and Deinard

Alfa Laval, Inc.

Lincoln Energy Solutions

BBI International

Michael Best & Friedrich, LLP

Betatec Hop Products, A Division Of John I

Midwest Laboratories, Inc.

Haas, Inc.

Minnesota Bio-fuels Association

Buckman

Minnesota Corn Research & Promotion Council

Carl Marks Advisory Group

Monsanto

Ch2M Hill

Motiva Enterprises LLC

Christianson & Associates, PLLP

Murex, N.A., Ltd.

CHS Inc.

Nalco Company

CoBank

National Corn Growers Association

Colorado Corn Growers Association

National Grain Sorghum Producers

Consolidated Grain & Barge Co.

Nebraska Corn Board

CSX Transportation

Noble Americas Corp.

DuPont

NorFalco Inc.

Eco-Energy, Inc.

North Dakota Corn Council

Edeniq

Novozymes North America, Inc.

Fagen, Inc.

Ohio Corn Marketing Program

Farm Credit Services of America

Phibrochem

FCStone, LLC

Pinnacle Engineering Inc.

Fermentis - S.I. Lesaffre

Fremont Industries, Inc.

PRX Geographic, Inc.

Renewable Products Marketing Group

Gold Eagle Company

RSM McGladrey

Growmark, Inc.

South Dakota Corn Utilization Council

Hartland Fuels

Syngenta

Hawkeye Gold

TMO Renewables Ltd

Husch Blackwell LLP

Transmontaigne Product Services

Hydro-Klean LLC

Tranter PHE, Inc.

ICM, Inc.

Trinity Rail Group, LLC

Illinois Corn Marketing Board

U.S. Development Group

Indiana Corn Marketing Council

U.S. Water Services

Innospec Fuel Specialties

Union Pacific Railroad

Inspectorate America Corporation

Union Tank Car Company

Iowa Corn Growers Association

United Sorghum Checkoff Program

Iowa Renewable Fuels Association

Verenium

Kansas Corn Commission

Victaulic

KATZEN International, Inc.

Weaver

Kenan Advantage Group, Inc.

Western Ethanol Company, LLC

Kentucky Corn Promotion Council

Agriculture Retailers Association

Minnesota Corn Growers Association

Bemidji (MN) State University

Minnesota Department Of Agriculture

Bismarck State College

Mississippi State University – Department Of Forestry

Colorado Farm Bureau

Missouri Corn Growers Association

Corn Marketing Program Of Michigan

Morton College

Distillers Grains Technology Council

National Corn-To-Ethanol Research Center

Downstream Alternatives

Nebraska Corn Growers Association

Ethanol Producers and Consumers

New Jersey Gasoline C-Store Automotive Association (NJGCA)

Great Falls Development Authority

REDDI

Illinois Corn Growers Association

South Dakota Corn Growers Association

Iowa Central Community College

Steele-Waseca Cooperative Electric

Iowa Central Fuel Testing Laboratory

Sugar Processing Research Institute

Jamestown/Stutsman Development Corp.

Texas Renewable Energy Industries Association

Kansas Association Of Ethanol Processors

United Association

Kentucky Energy & Environment Cabinet - Department for Energy

Water Assurance Technology Energy Resources

Maryland Grain Producers Utilization Board

Western Iowa Tech Community College - National Boiler Training and Renewable Fuels Institute

Michigan State University – Department Of Agricultural Economic

Wisconsin Pipe Trades Association

Milano The New School