1951
TEMCO Aircraft Corporation
First contract: Overhaul 200 C-54 Loadmaster aircraft used in the Berlin airlift. Other aircraft: Constellation, Loadstar, Kadet, Navion, B-50s, KC-97. In 1955, B-29 Superfortress modification included installation of specialized electronic system, starting TEMCO on the road to systems integration.

1961
Ling-TEMCO-Vought (LTV)
AN/ASD system for KC-135; maintenance and system mod for C-130; special systems and external structural mod for the C-135; EB-47L mod; Airborne Battlefield Command, Control, and Communication Center for C-130; mods to the EC-121, L-450F, and the Breguet 1150 Atlantic.

1965
Electrospace, Inc. (ESI)
Military shelters, Pacer Link (EC-135), FEWSC (C-9), DC-10 Freighter Conversion.

1972
E-Systems
OV-10, C-130 Gunships, militarized version of L450F; KC-97, and commercial contracts on the 707 and 727 USAF TRAP MATS program, U.S. SAM fleet, E-4B, VC-9, C-139, Breguet 1150 Lifetime Extension, HH-60D, Oman Executive Program, C-20 Special Mission, C-18, Drug Interdiction programs, Combat Talon, USN C9B, FAA Flight Inspection Systems, Sea Sentinel AP-3C, P-3C Sustained Readiness, C-141 Special Operations.

1986
Chrysler Technology Airborne Services (CTAS)
Maritime Surveillance, NASA SOFIA, Head-of-State and Executive Interior mods to Boeing (747-400&SP, 767, 737) and Airbus, (A-34, A-310), C-130, C-141, C-5, C-27, EC-135 Pacer Link, P-3A&B, EP-3E, E-6B, LC-130R

1995
Raytheon E-Systems
Raytheon Aircraft Integration Systems (AIS) Aircraft mission systems integration and modifications. ASTOR, Peace Pioneer, NASA SOFIA, Big Safari, USN P-3

2002
L-3 Communications, Integrated Systems (L-3/IS)
Integrated Systems specializes in the development and integration of complex electronic systems for intelligence, surveillance and reconnaissance missions. L-3 Communications is a leading merchant supplier of Intelligence, Surveillance and Reconnaissance (ISR) products, secure communications systems and products, avionics and ocean products, training products, microwave components and telemetry, instrumentation, space and wireless products. Its customers include the Department of Defense, selected US government intelligence agencies, aerospace prime contractors and commercial telecommunications and wireless customers.