Robert W. Drewes

L-3 Communications Holdings, Inc. operates as a holding company. It operates through its subsidiary L-3 Communications Corp., which is a prime contractor in intelligence, surveillance and reconnaissance systems, command, control, communications, aircraft modernization and maintenance, and sustainment of aircraft, maritime vessels and ground vehicles, and national security solutions. The company operates its business through Aerospace Systems, Electronic Systems, Communication Systems and National Security Systems segments. The Aerospace Systems segment delivers integrated solutions for the global Intelligence, Surveillance and Reconnaissance (ISR) market and provides modernization, upgrade, sustainment, and maintenance and logistics support for a wide variety of aircraft and ground systems. The Electronic Systems segment provides a broad range of components, products, subsystems, systems and related services for military and commercial customers. The Communication Systems segment delivers products and services for the global communications market, specializing in strategic and tactical airborne, space, ground and sea-based communication systems. The National Security Solutions segment provides cyber security solutions, high-performance computing, enterprise IT services, analytics and intelligence analysis. The company was founded by Frank C. Lanza and Robert V. LaPenta in April 1997 and is headquartered in New York, NY.

Part of Nippon Telegraph & Telephone Corp., Integrated Systems Group is a company that provides network integration services. The company is based in Hauppauge, NY. The company was founded by Jose B. Aleman. Integrated Systems Group was acquired by Dimension Data Holdings Ltd. on May 25, 2000 for $70 million.

L-3 Communications Integrated Systems LP provides aircraft products and maintenance services. The company was founded on March 1, 2002 and is headquartered in New York, NY.