| 3-D Fertilizer |
| 60 Plus Association |
| Agribusiness Association of Iowa |
| Agribusiness Council of Indiana |
| Agricultural Council of California |
| Agricultural Retailers Association |
| Agriculture Energy Alliance |
| Agriliance, LLC |
| Agrium Inc. |
| Alabama Crop Management Association |
| American Association of Petroleum Geologists |
| American Chemistry Council |
| American Farm Bureau Federation |
| American Forest & Paper Association |
| American Gas Association |
| American Highway Users Alliance |
| American Iron and Steel Institute |
| American Plant Food Corporation |
| American Policy Center |
| American Public Gas Association |
| American Soybean Association |
| Americans for American Energy |
| Americans for Tax Reform |
| Arkansas Plant Food Association |
| Association of Fish & Wildlife Agencies |
| Bear Trust International |
| Ben-Trei Ltd. |
| Boone & Crockett Club |
| Brandt Consolidated |
| California League of Food Processors |
| CF Industries |
| Chemical Industry Council of Illinois |
| CHS Inc. |
| Citizens Against Recreation Eviction - USA |
| Coalition of AZ/NM Counties |
| Coalitions for America |
| CoBank (CO) |
| Colorado Farm Bureau |
| Colorado Grain Feed Association |
| Committee for a Constructive Tomorrow |
| Competitive Enterprise Institute |
| Congress of Racial Equality |
| Congressional Sportsmen’s Foundation |
| Consumer Alliance for Energy Security |
| Consumer Energy Alliance |
| Council for Citizens Against Government Waste |
| Council of Industrial Boiler Owners |
| Crop Production Services |
| CropLife America |
| D.B. Western, Inc. - Texas |
| Dallas Safari Club |
| Delaware Maryland Agribusiness Association |
| Department of Petroleum Engineering at the University of Tulsa |
| Diamond of California |
| Discovery Institute |
| Dominion |
| Ducks Unlimited |
| DuPont |
| Edison Electric Institute |
| Association of American State Geologists |
| Environmental Perspectives, Inc. |
| Ethan Allen Institute |
| Far West Agribusiness Association |
| Free Enterprise Action Fund |
| FreedomWorks |
| Frontiers of Freedom |
| Florida Fertilizer & Agrichemical Association |
| Georgia Agribusiness Council, Inc. |
| Georgia Feed & Grain Association, Inc. |
| Geothermal Energy Association |
| Grassroot Institute of Hawaii |
| GROWMARK, Inc. |
| Hartung Brothers, Inc. |
| Hawaiian Alliance for Responsible Technology and Science |
| Helena Chemical Company |
| Illinois Fertilizer & Chemical Association |
| Independent Petroleum Association of America |
| Indiana Grain & Feed Association |
| Indiana Plant Food & Ag Chemicals Association |
| Industrial Energy Consumers of America |
| Industrial Minerals Association |
| Institute for Research on the Economics of Taxation |
| Intermountain Farmers Association |
| International Chemical Corporation |
| International Commodities Export Corporation |
| International Raw Materials Ltd. |
| Interstate Oil and Gas Compact Commission |
| Iowa Institute for Cooperatives |
| Jim Hicks & Company |
| Johnston Seed Company |
| JR Simplot Company |
| Kansas Grain and Feed Association |
| Kansas Taxpayers Network |
| Knox Theological Seminary |
| Land O' Lakes, Inc. |
| Louisiana Ammonia Producers |
| Maine Heritage Policy Center |
| Mayo Fertilizer Inc. |
| MDU Resources Group |
| MFA Incorporated |
| Michigan Agri-Business Association |
| Minnesota Agri-Growth Council |
| Minnesota Crop Production Retailers |
| Mississippi Center for Public Policy |
| Missouri Ag Industries Council, Inc. |
| Monsanto Company |
| Montana Agricultural Business Association |
| Motor and Equipment Manufacturers Association |
| National Association of Counties |
| National Association of Manufacturers |
| National Association of Wheat Growers |
| National Barley Growers Association |
| National Center for Policy Analysis |
| National Center for Public Policy Research |
| National Chicken Council |
| National Corn Growers Association |
| National Council of Farmer Cooperatives |
| National Defense Council Foundation |
| National Grange |
| National Mining Association |
| National Petrochemical & Refiners Association |
| National Renderers Association, Inc. |
| National Shooting Sports Foundation |
| National Sorghum Producers |
| National Stone, Sand, and Gravel Association |
| National Sunflower Association |
| National Turkey Federation |
| Nebraska Agri-business Association |
| North American Bear Foundation |
| North American Grouse Partnership |
| North Dakota Agricultural Association |
| Northern Ag Suppliers, Inc. |
| Northwest Mining Association |
| Nucor Corporation |
| Ohio Manufacturers Association |
| Oklahoma Ag Retailers |
| Ontario Hardwood Co., Inc. |
| Oregon Wheat Growers League |
| Partnership for America |
| Pennsylvania Association of Milk Dealers |
| Plant Food Association of North Carolina, Inc. |
| Pope and Young Club |
| PotashCorp |
| Quail Unlimited |
| Quality Deer Management Association |
| Religious Freedom Action Committee |
| Rocky Mountain Agri-Business Association (CO) |
| Safari Club International |
| Small Business & Entrepreneurship Council |
| Society of American Florists |
| South Carolina Fertilizer & Agrichemical Association |
| South Dakota Agri-Business Association |
| Southern Crop Production Association (GA) |
| Southern States Cooperative, Inc. |
| State of Alabama |
| State of Louisiana |
| State of Mississippi |
| State of Texas |
| Take Back Pennsylvania |
| Tennessee Agricultural Production Association |
| Tennessee Center for Policy Research |
| Tennessee Farmers Cooperative |
| Terra Industries |
| Texas Ag Industries Association |
| Texas Agricultural Cooperative Council |
| Texas Grain & Feed Association |
| Texas Wildlife Association |
| The American Conservative Union |
| The Andersons, Inc. |
| The Fertilizer Institute |
| The McGregor Company |
| The Mosaic Company |
| The Society of Plastics Industry, Inc. |
| The Wildlife Society |
| Theodore Roosevelt Conservation Partnership |
| Tradition, Family, Property, Inc. |
| U.S. Canola Association |
| U.S. Chamber of Commerce |
| U.S. Sportsmen’s Alliance |
| United Suppliers, Inc. |
| USA Rice Federation |
| Virginia Crop Production Association |
| Virginia Institute for Public Policy |
| Virginia Poultry Federation, Inc. |
| W.B. Johnston Grain Company |
| Washington State Council of Farmer Cooperatives |
| West Central Inc. |
| Western Counties Alliance |
| Western Peanut Growers Association (TX) |
| Western Plant Health Association (CA) |
| Wheeler Bros. Grain & Fertilizer Co. |
| Wildlife Management Institute |
| Wildlife Trust Fund |
| Willard Agri-Service of Frederick, Inc. (MD) |
| Wisconsin Fertilizer and Chemical Association |
| Xcel Energy |
