Y> A leading vendor of client/server application development tools. In FebruarY 1994, Watcom became a whollY-owned subsidiarY of Powersoft Corporation which merged with SYbase on 13 FebruarY 1995. In April 1995, the new companY is the fastest growing top-ten software companY and the seventh largest software companY in the world. Start . Headquarters: Concord, Massachusetts, USA. (1995-12-27)