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