April 1960

April 1960: 131 companies

1. April 1960 68 companies

2. April 1960 1 companies

4. April 1960 4 companies

5. April 1960 6 companies

6. April 1960 1 companies

7. April 1960 3 companies

8. April 1960 4 companies

9. April 1960 2 companies

10. April 1960 4 companies

13. April 1960 2 companies

14. April 1960 1 companies

15. April 1960 5 companies

16. April 1960 3 companies

18. April 1960 3 companies

19. April 1960 2 companies

20. April 1960 10 companies

21. April 1960 1 companies

23. April 1960 2 companies

25. April 1960 5 companies

27. April 1960 1 companies

28. April 1960 1 companies

29. April 1960 1 companies

30. April 1960 1 companies