L-3 Communications Holdings, Inc. operates in the Radio & TV communications equipment sector. L-3 Communications Holdings, Inc. (L-3) is a prime contractor in Command, Control, Communications, Intelligence, Surveillance and Reconnaissance (C3ISR) systems, aircraft modernization and maintenance, and government services. L-3 is also a provider of a range of electronic systems used on military and commercial platforms. The Company's customers include the United States Department of Defense (DoD) and its prime contractors, United States Government intelligence agencies, the United States Department of Homeland Security (DHS), United States Department of State (DoS), United States Department of Justice (DoJ), allied foreign governments, domestic and foreign commercial customers, and select other United States federal, state and local government agencies. The Company operates in four segments: C3ISR, Government Services, Aircraft Modernization and Maintenance and Electronic Systems. On February 6, 2012, the Company acquired Kollmorgen Electro-Optical unit of Danaher Corporation. In our complete report available for purchase the company is compared to: Qualcomm Incorporated, ZTE Corp and Cisco Systems Incorporated.