- Vatican City
- Focolare Movement (1943 - )
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- Knights of Malta (1099 - )
- Knights of the Holy Sepulchre
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- Opus Dei Society (1928 - )
- Order of St. Gregory the Great (1831 - )
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- Roman Catholic Church (Vatican) (0325 - )
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- Society of Jesus (Jesuits) (1534 - )
- United States
- American Friends of Lubavitch (DC)
- American Humanist Association (1941 - )
- American Messianic Fellowship (1887 - )
- American Unitarian Association (1825 - 1961)
- Ancient Order of Druids in America (1912 - )
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- Bais Chana Institute for Jewish Studies (1971 - )
- Billy Graham Evangelistic Association (1950 - )
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- Chabad Lubavitch (1775 - )
- Church of Scientology (1952 - )
- Congregation Mikveh Israel (1740 - )
- Congregation Shearith Israel
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- Dallas Theological Seminary
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- Foundation for Conscious Evolution (1992 - )
- Foundation for Inner Peace (1972 - )
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- Global Renaissance Alliance (1998 - 2005)
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- Institute of American and Talmudic Law (2001 - )
- Institute on Religion and Democracy (1981 - )
- Isaac M. Wise Temple (1842 - )
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- Jewish Federation of Greater Washington (1925 - )
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- Kahal Kadosh Beth Elohim
- Kehilath Jeshurun Synagogue (1872 - )
- Knights of Columbus (1882 - )
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- Lucis Trust (1922 - )
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- Manitou Foundation (1988 - )
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- National Conference of Synagogue Youth (1954 - )
- National Council of Young Israel (1912 - )
- Neturei Karta (1938 - )
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- Orthodox Union
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- Park Avenue Synagogue (1882 - )
- Philosophical Research Society (1934 - )
- Prison Fellowship (1976 - )
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- Riverside Church (1860 - )
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- Society for the Advancement of Judaism (1922 - )
- Stephen Wise Free Synagogue (1905 - )
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- Temple of Understanding (1960 - )
- The Arcane School (1923 - )
- The Chopra Center for Well Being (1995 - )
- The Episcopal Church (1607 - )
- The Interfaith Alliance (1994 - )
- The Interfaith Center of New York (1997 - )
- Theosophical Society (1875 - )
- Triangles (1937 - )
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- UJA Federation of New York (1917 - )
- Union for Reform Judaism (URJ) (1873 - )
- Unitarian Universalist Association (1961 - )
- United Ancient Order of Druids (1834 - )
- United Jewish Appeal (1939 - 1999)
- United Jewish Communities (1999 - )
- United Religions Initiative (URI) (1996 - )
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- Watchtower Bible and Tract Society (1884 - )
- World Evangelical Fellowship (1846 - )
- World Vision (1950 - )
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- Youth With a Mission (1960 - )
- United Kingdom
- Ancient Order of Druids (1781 - )
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- Cambridge Ghost Society (1851 - 1882)
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- Eranus Club
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- Hermetic Order of the Golden Dawn (1888 - )
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- Ordo Templi Orientis (1904 - )
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- Rosicrucian Society of England (SRIA) (1867 - )
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- Share International Foundation
- Switzerland
- World Council of Churches (1948 - )
- Israel
- International Christian Embassy Jerusalem (1980 - )
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- Temple Mount Faithful
- - - -
- Yeshiva Mercaz HaRav (1924 - )
- India
- Order of the Star in the East (1911 - 1929)
- Germany
- International Grand Lodge of Druids (IGLD) (1908 - )
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- The Vril Society
- France
- Society of Saint Pius X (1970 - )