Hebrew Socialist Union in London ended in 1876.
Socialist Union Party ended in 1941.
Socialist-Communist Union ended in 1932.
Socialist Union of America ended in 1959.
International Working Union of Socialist Parties ended in 1923.
Smith's Bank ceased its operations in 1902, when it merged with Union Bank of London to form Union of London and Smith's Bank.
Socialist Rebirth ended in 1995.
Independent Socialist Faction ended in 1977.
Republican-Socialist Party ended in 1934.
International Socialist Commission ended in 1923.
Socialist Party of America ended in 1973.
Socialist Mexican Party ended in 1989.
Popular Socialist Movement ended in 1982.