SAIC, Inc. is a provider of scientific, engineering, systems integration and technical services and solutions to all branches of the United States military, agencies of the United States Department of Defense (DoD), the intelligence community, the United States Department of Homeland Security (DHS) and other United States Government civil agencies, state and local government agencies, foreign governments and customers in select commercial markets. The Company operates in three segments: Government, Commercial, and Corporate and Other. Its operating business units are aggregated into the Government or Commercial segments, depending on the nature of the customers served, the contractual requirements and the regulatory environment governing the business unit’s operations. The Corporate and Other segment includes the operations of its internal real estate management subsidiary, various corporate activities and certain corporate expense items. In July 2009, the Company acquired Atlan, Inc.