| Georgia Public Policy Foundation | | A nonprofit, nonpartisan research and education foundation dedicated to keeping all Georgians informed about their government. Believes in limited government, private enterprise and individual responsibility. |
| Georgian Foundation for Strategic and International Studies | | The Georgian Foundation for Strategic and International Studies (GFSIS) is an independent, non-profit organization dedicated to helping improve public policy decision-making in Georgia through research and analysis, training of policymakers and policy analysts, and public education. |
| Gerster Consulting | | Swiss firm which conducts research, policy analysis, and advocacy on trade, development, environment, and other aspects of international cooperation. Areas of activity, background information, and news releases available in English; additional content available in German. |
| Goldwater Institute | | Independent research and educational organization studying public policy. Research papers, editorials, and policy briefings advocate policy founded on principles of limited government, economic freedom and individual responsibility. Topics: health care, privatization, education... |
| Grassroot Institute of Hawaii | | A public policy think tank providing detailed study, analysis, investigation and reporting on the impact on the individual citizen by government and its procedures and departments in Hawaii. |
| Great Plains Public Policy Institute | | Great Plains Public Policy Institute is a nonpartisan public policy and educational institution in South Dakota. GPPPI conducts educational events, public forums and scholarly research to give citizens and policy makers qualified recommendations. |
| The George C. Marshall Institute | | Information on science and public policy issues (e.g. global warming, defense technology) for students, teachers, scientists, the media and lawmakers. | |
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