Top PC manufacturers 1990–1994.

background available on Wikipedia:

1. IBM. (Wikipedia)

2. Compaq. (Wikipedia)

3. Apple (Apple Computer). (Wikipedia)

4. Dell (Dell Computer Corporation). (Wikipedia)

5. Hewlett-Packard (HP). (Wikipedia)

6. Packard Bell (later Packard Bell NEC). (Wikipedia)

7. NEC (incl. the dominant PC-98 line in Japan). (Wikipedia)

8. Toshiba (major notebook pioneer). (Wikipedia)

9. Acer. (Wikipedia)

10. Gateway 2000 (Gateway, Inc.). (Wikipedia)

11. AST Research. (Wikipedia)

12. Digital Equipment Corporation (DEC). (Wikipedia)

13. Zenith Data Systems (later part of Packard Bell/NEC). (Wikipedia)

14. Tandy/Radio Shack (Tandy Corporation). (Wikipedia)

15. Olivetti. (Wikipedia)

16. Siemens Nixdorf Informationssysteme. (Wikipedia)

17. Fujitsu. (Wikipedia)

18. Groupe Bull (incl. ownership of Zenith Data Systems in the period). (Wikipedia)

19. Sony (PCs under VAIO brand later in the decade; active in PCs in the 90s). (Wikipedia)

20. Panasonic/Matsushita (later famous for Toughbook). (Wikipedia)

21. Sharp (PC-7000, laptops; later acquired Dynabook from Toshiba). (Wikipedia)

22. Epson (sold “Equity” PCs and peripherals). (Wikipedia)

23. Samsung Electronics (sold PCs; Sens line from 1995, earlier “Leading Technology”). (Wikipedia)

24. ICL (International Computers Limited). (Wikipedia)

25. Commodore International (Amiga, PC compatibles). (Wikipedia)

26. Amstrad (major UK/Europe PC maker into early 90s). (Wikipedia)

27. Hitachi (PCs among broader electronics portfolio). (Wikipedia)

28. Legend (now Lenovo; 1990s China market leader). (Wikipedia)

29. GoldStar (now LG Electronics). (Wikipedia)

30. TriGem (major Korean PC manufacturer; later co-founded eMachines). (Wikipedia)