SI International, Inc. provides information services, technology, and network solutions primarily to the federal government. It provides IT and network solutions in various practice areas, including program management and acquisition support that assists clients with initiating, assembling, executing, and managing various acquisition programs, such as acquisition strategies, government required documentation, and solicitation packages, as well as source selections and contract management support; integrated solutions development, which focuses on the integration of commercial-off-the-shelf products with custom software engineering; and information security that delivers analyses, methods, and technologies, which enable clients to secure their information against unauthorized access and service disruption. The company’s practice areas also include records management that specializes in application processing, data entry, case and file management, large scale identification and credentialing systems, call center support, and analytical support services; learning solutions, which design, develop, and deliver learning and performance interventions to meet the client's individual and organizational performance needs and manage change; and systems engineering that delivers mission and requirements analysis, enterprise/operational architecture modeling and development, system application and development, system design, validation and verification, integrated logistics support, life cycle engineering, and complex simulation. In addition, its practice areas comprise network solutions, which design, engineer, deploy, and manage a range of networked communications and infrastructure solutions; mission-critical outsourcing; and logistics, which provides logistics support, acquisition support, program management, and related IT services. The company, formerly known as SI International, Incorporated, was founded in 1998 and is based in Reston, Virginia.