December 1958

December 1958: 24 companies

December 1, 1958 2 companies

December 3, 1958 1 companies

December 5, 1958 1 companies

December 10, 1958 2 companies

December 12, 1958 3 companies

December 16, 1958 3 companies

December 18, 1958 2 companies

December 22, 1958 5 companies

December 30, 1958 3 companies

December 31, 1958 2 companies