In 1999, several computer companies were disestablished or ceased operations. While specific details about every company may vary, here are some notable examples of computer-related companies that were disbanded or went out of business in that year: 1. **Digital Equipment Corporation (DEC)** - Originally a major player in the computer industry, DEC was acquired by Compaq in 1998, and by 1999, its brand and it's separate company identity were largely phased out.