April 1977

April 1977: 281 companies

1. April 1977 49 companies

2. April 1977 3 companies

3. April 1977 2 companies

4. April 1977 8 companies

5. April 1977 6 companies

6. April 1977 5 companies

7. April 1977 1 companies

9. April 1977 2 companies

10. April 1977 3 companies

12. April 1977 14 companies

13. April 1977 10 companies

14. April 1977 13 companies

15. April 1977 24 companies

16. April 1977 1 companies

17. April 1977 1 companies

18. April 1977 21 companies

19. April 1977 9 companies

20. April 1977 12 companies

21. April 1977 10 companies

22. April 1977 8 companies

23. April 1977 1 companies

24. April 1977 2 companies

25. April 1977 8 companies

26. April 1977 12 companies

27. April 1977 12 companies

28. April 1977 18 companies

29. April 1977 16 companies

30. April 1977 10 companies