SI International is a provider of information technology and network solutions (IT) primarily to the Federal government. We define, design, develop, deploy, train, operate, and maintain mission-critical IT solutions. We deliver a full spectrum of state-of-the-practice systems and services with a strategic focus on the Federal government’s most urgent initiatives in the areas of:

• Federal IT Modernization
• Defense Transformation 
• Homeland Defense 
• Mission-Critical Outsourcing