A leading vendor of client/server application development tools. In FeBruary 1994, WatcomBecame 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)