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|Fate||Acquired and merged into Electronic Data Systems in 1999.|
MCI Systemhouse specializes in running Data centers for customers and is a subsidiary of the Washington, DC-based MCI Communications Corporation, the result of a 1995 $1 billion acquisition of Canadian company SHL Systemhouse and its subsequent integration with MCI's technical services branch. The new company was formed to provide systems integration and outsourcing services. SHL Systemhouse based in Ottawa, Ontario, had revenue of $1.2 billion Canadian dollars in 1994, or about $883 million at then current exchange rates.
On February 11, 1999, MCI Systemhouse was acquired by EDS of Plano, Texas for $1.65 billion. EDS was able to recoup almost 25% of the purchase price by selling SHL Systemhouse's stake in Commerce One for $400 million in January, 2000. Prior to the acquisition, MCI Systemhouse was one of several entities that formed UML Partners, a group devoted to the development of the Unified Modeling Language (UML). 
- "MCI to Acquire SHL Systemhouse for $1 Billion". AP NEWS. Retrieved 2020-01-28.
- "EDS, MCI in $17 billion services deal".
- Jones, Dow (2000-01-26). "Company News; E.d.s. To Sell Commerce One Holding for $400 Million". The New York Times.
- "UML FAQ: Who created UML and how did it get its name? UML Forum". Retrieved 2018-01-21. CS1 maint: discouraged parameter (link)