April 1978

April 1978: 448 companies

April 3, 1978 18 companies

April 4, 1978 19 companies

April 5, 1978 17 companies

April 6, 1978 23 companies

April 7, 1978 35 companies

April 10, 1978 20 companies

April 11, 1978 23 companies

April 12, 1978 21 companies

April 13, 1978 19 companies

April 14, 1978 21 companies

April 17, 1978 21 companies

April 18, 1978 20 companies

April 19, 1978 20 companies

April 20, 1978 31 companies

April 21, 1978 20 companies

April 24, 1978 27 companies

April 26, 1978 27 companies

April 27, 1978 35 companies

April 28, 1978 31 companies