Digital Equipment Corp. (DEC)

Digital Equipment Corporation (DEC) using the trademark Digital, was a major American company in the computer industry from the 1950s to the 1990s.

DEC was a leading vendor of computer systems, including computers, software, and peripherals. Their PDP and successor VAX products were the most successful of all minicomputers in terms of sales.

DEC was acquired in June 1998 by Compaq.

Wikipedia information