(1) Carnegie Endowment for International Peace
(2) The Hoover Institution's opinion on war, revolution and peace? Peace)
(3) Committee on Foreign Relations.
(4) Brookings Institution.
(5) American Institute of Corporate Public Policy? Policy research)
(6) RAND Corporation
(7) Hudson Institute
(8) Urban Research Institute
(9) Center for Strategic and International Studies.
(10) International Institute of Applied Systems? Analysis)
(1 1) Heritage Foundation
(12) Cato Institute
(13) Carter Center
(14) Nixon Center for Peace and Freedom
(15) Dunn Group Information Service Company (Dunn &; Bradstreet information service? Physical exercise)
(16) data exchange company
(17) Boston Consulting Group
(18) Stanford research institute? International)
(19) Bater Memorial Institute
(20) International Data Group.
(2 1) Aspen Institute of Anthropology
(22) East-West Center
National defense information center.
Harvard Center for International Affairs.
(25) Clinton and the American Institute for Progressive Policy
(26) MIT Center for International Studies
(27) American Hudson Institute
28) Population Commission.
(29) Future Institute.
(30) American Institute of Asian Culture.
Each think tank has its own history and interesting stories, which can be found in Baidu search terms.