44 : SI International Inc.
|Top 100 Revenue:
|2007 earnings :
|Number of employees:
||S. Bradford Antle, president and CEO
|Lines of business:
||Federal IT modernization, defense transformation, homeland defense and mission-critical outsourcing
||Defense Department, National Security Agency, Agriculture Department, Commerce Department, Energy Department, Health and Human Services Department, Homeland Security Department, Housing and Urban Development Department, Interior Department, Justice Department, Labor Department, State Department, Transportation Department, Treasury Department, Veterans Affairs Department and General Services Administration
||The National Security Agency awarded SI International three Enterprise Program Management II contracts for enterprise-wide systems engineering and program management for modernization of the NSA. The contracts are valued at $131 million.