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