Integral Systems, Inc. provides solutions for satellite command and control, integration and test, data processing, signals analysis, and flight simulation. The Company designs, develops, and integrates solutions, and provide services related to satellite ground systems and other communications and networking equipment. It operates in three segments: Government Systems, Commercial Systems and Space Communications Systems. Government Systems provides ground systems products and services to the United States Federal Government. Commercial Systems provides ground systems products and services to commercial enterprises and international organizations. The segment consists of three wholly owned subsidiaries, SAT Corporation (SAT), Newpoint Technologies, Inc. (Newpoint), and Integral Systems Europe S.A.S. (ISI Europe). Space Communications Systems includes its wholly owned subsidiary, Real Time Logic, Inc. (RT Logic) and Lumistar, Inc. (Lumistar), a wholly owned subsidiary of RT Logic.