September 1981

September 1981: 284 companies

September 1, 1981 8 companies

September 2, 1981 10 companies

September 3, 1981 19 companies

September 4, 1981 18 companies

September 6, 1981 16 companies

September 8, 1981 30 companies

September 13, 1981 28 companies

September 14, 1981 38 companies

September 16, 1981 21 companies

September 20, 1981 23 companies

September 22, 1981 42 companies

September 23, 1981 10 companies

September 25, 1981 16 companies

September 28, 1981 5 companies