august 1957

august 1957: 60 companies

1. august 1957 27 companies

2. august 1957 2 companies

4. august 1957 2 companies

5. august 1957 2 companies

6. august 1957 1 companies

8. august 1957 1 companies

10. august 1957 4 companies

11. august 1957 1 companies

12. august 1957 2 companies

14. august 1957 1 companies

15. august 1957 7 companies

16. august 1957 2 companies

19. august 1957 1 companies

20. august 1957 1 companies

23. august 1957 1 companies

24. august 1957 1 companies

25. august 1957 1 companies

26. august 1957 2 companies

29. august 1957 1 companies