September 1957

September 1957: 148 companies

1 September 1957 4 companies

2 September 1957 6 companies

3 September 1957 3 companies

4 September 1957 9 companies

5 September 1957 7 companies

6 September 1957 5 companies

8 September 1957 4 companies

9 September 1957 3 companies

10 September 1957 6 companies

11 September 1957 3 companies

12 September 1957 7 companies

13 September 1957 17 companies

15 September 1957 9 companies

16 September 1957 6 companies

17 September 1957 8 companies

18 September 1957 13 companies

19 September 1957 6 companies

20 September 1957 10 companies

21 September 1957 1 companies

23 September 1957 5 companies

25 September 1957 2 companies

29 September 1957 9 companies

30 September 1957 5 companies