Canadian Intergovernmental Conference Secretariat was created in 1973.
Canadian Conference of the Arts was created in 1961.
Canadian Conference of Mennonite Brethren Churches was created in 1954.
Intergovernmental Authority on Development was created in 1986-01.
Secretariat of Public Education was created in 1921.
Norwegian eProcurement Secretariat was created in 2005.
Tennessee Advisory Commission on Intergovernmental Relations was created in 1978.
U.S. Advisory Commission on Intergovernmental Relations was created in 1959.
From OPEC.org: The Organization of the Petroleum Exporting Countries (OPEC) is a permanent, intergovernmental Organization, created at the Baghdad Conference on September 10-14, 1960, by Iran, Iraq, Kuwait, Saudi Arabia and Venezuela.
Commonwealth Secretariat was created in 1965.
General Secretariat for Development Planning was created in 2006.
Central Secretariat - Delhi Metro - was created in 2005.
West African National Secretariat was created in 1945.