- The American Enterprise Institute
- The Atlas Foundation
- The Buckeye Institute
- Canadian Health Policy Reform
- Canadian Statistical Assessment Service
- Canada West Foundation
- The Cascade Policy Institute
- The Cato Institute
- The C.D. Howe Institute
- The Claremont Institute
- Climate Change Debate
- The Competitive Enterprise Institute
- Ecological Economics
- E.G. West Centre, University of Newcastle
- The Fraser Institute
- Global Warming Information Page
- Global Warming Skeptics Page
- The Institute for Humane Studies
- The Heartland Institute
- The Heritage Foundation
- Hudson Institute
- The Independent Institute
- International Consumers for Civil Society
- Institut Economique de Montréal
- The Institute for Economic Affairs
- The Institute for Policy Innovation
- Institute of Public Policy Analysis Lagos, Nigeria
- Junk Science
- Laissez Faire Books
- Liberty Institute (India)
- The Locke Institute
- The MacDonald-Laurier Institute
- Maine Public Policy Institute
- The Montreal Economic Institute (MEI)
- National Center for Policy Analysis
- New Zealand Business Roundtable
- The Political Economy Research Center
- Public-Policy.org
- Sovereignty International
- The State Policy Network
- The Statistical Assessment Service
- Timbro, the think tank of Swedish enterprise
- Townhall