SI International provided IT services, outsourcing, consulting, applications development and performance support to federal government agencies, especially in the areas of defense and intelligence.

Brad Antle (President and CEO) previously led an engineering group at Lockheed Martin. The late Ray Oleson (Chairman) had spent most of his career in the federal government IT services industry with CACI, SASC, CSC and Sperry-Univac. We partnered with them again at Salient Federal Solutions.

Investment to complete initial acquisitions, 1998; subsequently acquired and integrated nine companies

Following 2002 IPO, completed two secondary offerings, raising nearly $250 million in equity

Acquired by Serco Group plc at a $525 million enterprise value, 2008

“Frontenac brings a long-term perspective that is rare among private equity investors.” - Ray Oleson, CEO1ST Partner

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