The Free On-line Dictionary of Computing (30 December 2018):

Convergent Technologies

    A company formed by a small group of people who left
   Intel Corporation in 1979.  Convergent Technologies' first
   product was the IWS (Integrated Workstation) based on the
   Intel 8086, which ran Convergent Technologies Operating
   System - their first operating system.

   Unisys bought Convergent Technologies in 1988.

   [Who bought/merged with who and when?]

   (1998-04-03)