November 1981

November 1981: 23 companies

1 November 1981 2 companies

8 November 1981 1 companies

12 November 1981 1 companies

13 November 1981 1 companies

14 November 1981 1 companies

17 November 1981 2 companies

18 November 1981 2 companies

20 November 1981 1 companies

23 November 1981 2 companies

25 November 1981 2 companies

27 November 1981 5 companies

29 November 1981 1 companies

30 November 1981 2 companies