April 1956

April 1956: 84 companies

1 April 1956 64 companies

2 April 1956 2 companies

3 April 1956 3 companies

4 April 1956 1 companies

6 April 1956 2 companies

8 April 1956 1 companies

10 April 1956 2 companies

14 April 1956 1 companies

15 April 1956 2 companies

20 April 1956 1 companies

21 April 1956 1 companies

24 April 1956 1 companies

25 April 1956 2 companies

27 April 1956 1 companies