40 : Unisys Corp.
|Top 100 Revenue:
|2010 earnings :
|Number of employees:
||Blue Bell, Pa.
||J. Edward Coleman, chairman and CEO
|Head of gov't business:
||Ted Davies, senior vice president and president, federal systems
|Lines of business:
||Security, data center transformation and outsourcing, end user outsourcing and support services and application modernization and outsourcing
||Customs and Border Protection, General Services Administration, Defense Department and NASA
Sources: Washington Technology, Federal Procurement Data System and Houlihan Lokey