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Doyle Security acquires Sentry Alarms

July 21, 2026SSN Staff

ROCHESTER, N.Y.—Doyle Security Systems has acquired Sentry Alarms, adding more than 4,500 commercial and residential customers to its business. Founded in 1977, Binghamton, N.Y.-based Sentry Alarms has provided security services throughout the area for nearly five decades. The acquisition brings Doyle's total number of locations to 11 across New York and Pennsylvania. Jack Doyle, Doyle Security president...

Binghamton, N.Y., Doyle Security Systems, Jack Doyle, Sentry Alarms