Raytheon Company operates in the Search and navigation equipment sector. Raytheon Company, together with its subsidiaries, is a technology company and specializes in defense, homeland security and other government markets. The Company provides electronics, mission systems integration and other capabilities in the areas of sensing, effects and command, control, communications and intelligence systems (C3I), as well as a range of mission support services. It serves both domestic and international customers, principally as a prime contractor on a portfolio of defense and related programs for government customers. The Company operates in six business segments: Integrated Defense Systems (IDS), Intelligence and Information Systems (IIS), Missile Systems (MS), Network Centric Systems (NCS), Space and Airborne Systems (SAS), and Technical Services (TS). During the year ended December 31, 2010, it acquired three companies: Compucat Research Pty, Trusted Computer Solutions Inc. and Technology Associates Inc (AST). In December 2011, it acquired Pikewerks Corporation. In our complete report available for purchase the company is compared to: Northrop Grumman Corporation, Harris Corporation and Danaher Corporation.