Granite Island Group

127 Eastern Ave., #291
Gloucester, MA 01931
978-546-3803
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Founded in 1987 and located near Boston Massachusetts, Granite Island Group, is the internationally recognized leader in the field of Technical Surveillance Counter Measures (TSCM), Bug Sweeps, Wiretap Detection, Surveillance Technology, Communications Security (COMSEC), Counter-Intelligence, Technical Security, and Spy Hunting.

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