august 1957

august 1957: 69 companies

1. august 1957 4 companies

2. august 1957 1 companies

5. august 1957 2 companies

6. august 1957 4 companies

7. august 1957 5 companies

8. august 1957 4 companies

9. august 1957 2 companies

12. august 1957 1 companies

13. august 1957 3 companies

14. august 1957 4 companies

15. august 1957 4 companies

16. august 1957 4 companies

19. august 1957 2 companies

20. august 1957 3 companies

21. august 1957 3 companies

22. august 1957 4 companies

23. august 1957 2 companies

26. august 1957 1 companies

27. august 1957 5 companies

28. august 1957 2 companies

29. august 1957 6 companies

30. august 1957 3 companies