Doyle Security acquires Sentry Alarms
By SSN Staff
Updated 2:41 PM CDT, Tue July 21, 2026
ROCHESTER, N.Y.—Doyle Security Systems has acquired Sentry Alarms, adding more than 4,500 commercial and residential customers to its business.
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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 and CEO, said the company is pleased to welcome both Sentry's customers and employees.
“Doyle is thrilled to welcome not only the Sentry Alarm customers to the Doyle Security family, but the talented and dedicated employees as well,” Doyle said. “We look forward to serving the Binghamton community and providing peace of mind and the highest quality customer service in the industry.”
Doyle said it will continue operating from Sentry Alarms' existing office in Binghamton. All 27 Sentry employees will join the company as part of the transaction.
Related: Doyle Security Systems acquires Buffalo-based Complete Security
Photo courtesy of Doyle Security Systems
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