- United States
- Aaron Diamond AIDS Research Center (1991 - )
- American Association for the Advancement of Science (AAAS) (1848 - )
- American Museum of Natural History (1869 - )
- American Society for Psychical Research (1885 - )
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- Battelle Memorial Institute (1929 - )
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- Carbon Mitigation Initiative (2000 - )
- Carnegie Institution (1902 - )
- Cold Spring Harbor Laboratory (1890 - )
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- Howard Hughes Medical Institute (1953 - )
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- Institute for Defense Analyses (1947 - )
- Institute for the Study of Consciousness (1952 - )
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- National Investigations Committee on Aerial Phenomena (NICAP) (1956 - 1979)
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- Program for Appropriate Technology in Health (PATH) (1977 - )
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- Stanford Research Institute (SRI) (1946 - )
- United Kingdom
- British Interplanetary Society (1933 - )
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- Galton Institute (1989 - )
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- Lunar Society (1764 - 1800)
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- Royal Geographic Society (1830 - )
- Royal Society (1648 - )
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- Society for Psychical Research (1882 - )
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- U.K. National Physical Laboratory (1900 - )
- U.K. Research Councils
- Russia
- Russian Academy of Sciences (1724 - )