Granite Island Group (Gloucester, MA)
Founded in 1987 and located near Boston Massachusetts, Granite Island Group, is an internationally recognized leader in the field of Technical Surveillance Counter Measures (TSCM), Signals Intelligence (SIGINT), Electronic Surveillance Technology, Telecommunications, Communications Security (COMSEC), Counter-Intelligence, Training, and Technical Security Consulting. Granite Island Group also provides expert technical, analytical and research capability for the detection, nullification, and isolation of eave
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