April 1961

April 1961: 114 companies

1 April 1961 54 companies

3 April 1961 3 companies

5 April 1961 5 companies

7 April 1961 1 companies

8 April 1961 1 companies

9 April 1961 1 companies

10 April 1961 5 companies

11 April 1961 1 companies

12 April 1961 2 companies

13 April 1961 1 companies

14 April 1961 1 companies

15 April 1961 9 companies

18 April 1961 2 companies

19 April 1961 2 companies

20 April 1961 10 companies

21 April 1961 1 companies

24 April 1961 2 companies

25 April 1961 3 companies

26 April 1961 1 companies

27 April 1961 2 companies

29 April 1961 2 companies

30 April 1961 5 companies