April 1972

April 1972: 79 companies

April 3, 1972 6 companies

April 4, 1972 2 companies

April 5, 1972 5 companies

April 6, 1972 4 companies

April 11, 1972 10 companies

April 12, 1972 2 companies

April 13, 1972 3 companies

April 15, 1972 1 companies

April 16, 1972 1 companies

April 17, 1972 11 companies

April 18, 1972 9 companies

April 19, 1972 3 companies

April 21, 1972 4 companies

April 22, 1972 1 companies

April 24, 1972 2 companies

April 26, 1972 3 companies

April 27, 1972 3 companies

April 28, 1972 5 companies

April 29, 1972 4 companies