Unisys Alive
Unisys
KindCompany
Founded1986
StatusAlive
FoundersMerger of Burroughs and Sperry
FieldMainframes
Sourcewww.unisys.com ↗
Born of the Burroughs–Sperry merger — still ships ClearPath machines whose architecture lineage runs unbroken to the B5000 and UNIVAC.
1960198020002020
The September 1986 merger of Burroughs and Sperry created what was briefly the second-largest computer company. Unisys inherited two incompatible mainframe lines — Burroughs's B-series and Sperry's 1100 series — and continues both to this day as ClearPath Dorado and Libra.
That a Burroughs B5000 program from 1963 can still conceptually map onto a current ClearPath is one of computing's more remarkable continuity stories.