January 1980

January 1980: 284 companies

January 1, 1980 41 companies

January 2, 1980 48 companies

January 3, 1980 8 companies

January 4, 1980 12 companies

January 5, 1980 1 companies

January 6, 1980 2 companies

January 7, 1980 5 companies

January 8, 1980 11 companies

January 9, 1980 4 companies

January 10, 1980 8 companies

January 11, 1980 9 companies

January 12, 1980 1 companies

January 14, 1980 4 companies

January 15, 1980 14 companies

January 16, 1980 9 companies

January 17, 1980 8 companies

January 18, 1980 16 companies

January 20, 1980 1 companies

January 21, 1980 16 companies

January 22, 1980 1 companies

January 23, 1980 10 companies

January 24, 1980 10 companies

January 25, 1980 9 companies

January 27, 1980 1 companies

January 28, 1980 11 companies

January 29, 1980 7 companies

January 30, 1980 9 companies

January 31, 1980 8 companies