- AIL Systems, Inc.
 - Electronic warfare test and integration contractor specializing in threat simulators, avionics recording devices, and flight test. - Avalon Systems
- Consulting engineers specialising in defence electronics, in particular, electronic warfare (EW).
- BAE Systems Information and Electronic Warfare Systems
- Produces aircraft self-protection systems and tactical surveillance and intelligence systems.
- Electronic Warfare Associates
- Offers management, engineering, training, programming and technical support to numerous DoD projects, various government agencies, industry corporations, educational, and training institutions.
- Northrop Grumman Defensive Systems Division
- Manufactures defence electronics to protect aircraft, ships, satellites, and ground vehicles, keep weapon systems mission ready, and evaluate electronic warfare performance.
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