Organizations
- Adbusters
- American Corn Growers Association
- Black Alliance for Education Options
- Center for Competitive Politics
- Center for Food Safety
- Center for Immigration Studies
- Center for Media & Democracy
- Center for Responsible Lending
- Center for Science in the Public Interest
- Center for Union Facts
- Chefs Collaborative
- Citizens for Responsibility and Ethics in Washington
- Civil Society Project
- Collegiate Network
- Dakota Resource Council
- Dakota Rural Action
- Defeat the Debt
- Earth First!
- EarthSave International
- Environmental Media Services
- Environmental Working Group
- Ethics and Public Policy Center
- Evergreen Freedom Foundation
- Farm Animal Reform Movement
- Farm Sanctuary
- Federalist Society
- Foundation for Education Reform & Accountability
- Foundation on Economic Trends
- Freedom House
- Goldwater Institute
- Greenpeace
- Hanover Institute
- Hoover Institution on War, Revolution and Peace
- Humane Society of the United States
- Idaho Rural Council
- Institute for Agriculture and Trade Policy
- Institute for American Values
- Institute for Social Ecology
- Iowa Citizens for Community Improvement
- James Madison Institute
- Joseph Mercola and the Mercola Optimal Wellness Center
- Lynde and Harry Bradley Foundation
- Mothers Against Drunk Driving
- Mothers for Natural Law
- National Center for Policy Analysis
- National Center on Addiction & Substance Abuse
- Natural Resources Defense Council
- Northern Plains Resource Council
- Organic Consumers Association
- Pacific Research Institute
- People for the Ethical Treatment of Animals
- Physicians Committee for Responsible Medicine
- Powder River Basin Resource Council
- Public Health Advocacy Institute
- Ruckus Society
- Science & Public Policy Institute
- Sea Shepherd Conservation Society
- SeaWeb
- SHAC
- Sierra Club
- Southeastern Legal Foundation
- Tides Foundation & Tides Center
- Turning Point Project
- Union of Concerned Scientists
- United Poultry Concerns
- Waterkeeper Alliance
- Western Organization of Resource Councils
- Weston A. Price Foundation
- Wisconsin Policy Research Institute
- Witherspoon Institute
