April 1954

April 1954: 30 companies

1 April 1954 5 companies

6 April 1954 1 companies

7 April 1954 1 companies

8 April 1954 1 companies

9 April 1954 1 companies

13 April 1954 1 companies

14 April 1954 4 companies

15 April 1954 1 companies

20 April 1954 1 companies

22 April 1954 1 companies

23 April 1954 5 companies

27 April 1954 1 companies

28 April 1954 1 companies

29 April 1954 4 companies

30 April 1954 2 companies