TSG (also known as TSG IT Advanced Systems) is a provider of command, control, communications, computers, intelligence, surveillance, and reconnaissance (C4ISTAR), HTTP live streaming (HLS), intelligence, and cyber security solutions. It develops and integrates systems for recording, debriefing, mapping, facility navigation, video analytics, simulation, etc. The company serves the command and control, IT systems and telecommunications, homeland security, and other lines of business.