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.
Kongsberg Gruppen ASA is an international technology group delivering advanced, sustainable, and reliable maritime automation and instrumentation solutions for offshore oil & gas installations and specialised vessels.
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.
Saab Bofors Underwater Systems AB in Motala, Sweden, develops and supplies advanced underwater systems including remotely operated vehicles and ROV systems for maritime defense and operations.