South Place Ethical Society was created in 1793.
South Indian Education Society was created in 1932.
Royal Society of South Australia was created in 1853.
South End Historical Society was created in 1966.
South Wales Socialist Society was created in 1911.
South Wales Record Society was created in 1982.
Royal Society of South Africa was created in 1908.
South American Mission Society was created in 1844.
South Suburban Co-operative Society was created in 1918.
South Dakota State Historical Society was created in 1901.
Operations Research Society of South Africa was created in 1969.
South Dakota State Historical Society Press was created in 1997.
Royal Agricultural Society of New South Wales was created in 1822.