april 1956

april 1956: 111 companies

1 april 1956 2 companies

3 april 1956 3 companies

5 april 1956 3 companies

6 april 1956 6 companies

8 april 1956 11 companies

9 april 1956 3 companies

10 april 1956 2 companies

11 april 1956 8 companies

12 april 1956 4 companies

13 april 1956 3 companies

15 april 1956 9 companies

17 april 1956 3 companies

18 april 1956 4 companies

19 april 1956 6 companies

20 april 1956 5 companies

22 april 1956 3 companies

23 april 1956 5 companies

24 april 1956 5 companies

25 april 1956 3 companies

26 april 1956 6 companies

27 april 1956 5 companies

29 april 1956 2 companies

30 april 1956 10 companies