Headquartered in New York City, L-3 Communications is a leading provider of Intelligence, Surveillance and Reconnaissance (ISR) systems and products, secure communications systems, aircraft modernization, training and government services, and is a merchant supplier of a broad array of high technology products. Its customers include the Department of Defense, Department of Homeland Security, selected U.S. government intelligence agencies and aerospace prime contractors. L-3 utilizes Intelex's Training Management System.