Last year was a big one for security industry mergers and acquisitions. SDM counted at least seven major deals involving security dealers or integrators — as either buyers or sellers.

United Technologies Corp., which has a portfolio of businesses that span geographies, markets and customer relationships, is starting the final round of an auction for one of its fire safety and security businesses, according to a Bloomberg report.

EPS Security acquired Security Alarm Company (SAC) of Owosso, Mich., and in doing so welcomed 1,400 new business and residential customers to the EPS family. The acquisition includes their Owosso-based office along with retention of six SAC employees.

KPI Holdings Inc., a Montgomery County, Pa.-based corporation, has purchased the assets of Communication Systems Inc., a Lehigh Valley-based security, fire and communication systems integrator. 

AAA Northern California, Nevada and Utah (AAA NCNU) is acquiring SAFE Security Companies, a smart home security monitoring company based in San Ramon, Calif. that is ranked No. 13 on the SDM 100. SAFE Security will operate as an independent subsidiary of AAA.

Convergint Technologies is acquiring SI Technologies Inc., bringing further security systems integration expertise to Convergint’s service capabilities.

Per Mar Security Services acquired ABC Fire & Burglar Company of Gary, Ind., further expanding its residential and commercial security services and customer base in Northwest Indiana. 

Identiv, Inc., a provider of physical security and secure identification, entered into a definitive agreement to acquire Thursby Software Systems Inc., an Arlington, Texas-based provider of security software for mobile devices. 

ADT Inc., SDM’s 2017 dealer of the year, announced it has entered into a definitive agreement to acquire Boca Raton, Fla.- based Red Hawk Fire & Security, a commercial fire, life safety and security services and portfolio company of Comvest Partners, for $317.5 million in cash.