Diagnostic/Retrieval Systems Inc. (DRS) was a U.S. defense electronics company whose Santa Clara operations originated from its 1984 acquisition of Precision Echo Inc., a maker of magnetic recording and precision echo devices for naval applications. The company became DRS Technologies, was acquired by Finmeccanica in 2008, and is now part of Leonardo DRS.
Ensil International Corp provides electronics circuit board repair, reverse engineering, custom prototyping, and manufacturing services primarily for aerospace, military, industrial, robotics, and medical industries.
Laurel Technologies Inc. is a Jamestown, Pennsylvania-based defense electronics company specializing in the design, integration, and manufacture of mission-critical systems for the U.S. Navy and other military customers, including shipboard control consoles and command/control subsystems.
Loral Corporation was a U.S. defense electronics contractor founded in 1948, specializing in radar, sonar, and naval electronics systems for the U.S. Navy. It was acquired by Lockheed Martin in 1996 and no longer operates as an independent company.
Magnavox Electric Systems Co. was the El Segundo, California defense and maritime electronics division of Magnavox, best known for Transit SATNAV satellite navigation receivers used by the U.S. Navy and commercial shipping. The business was absorbed via acquisitions by Philips and later Raytheon/Hughes and no longer operates as an independent maritime electronics manufacturer.