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