<COMpany> 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)