Alarm Capital Alliance ("ACA"), a nationwide home security provider based in Newtown Square, PA, today announced that it acquired Hawk Security Services Residential Division ("Hawk Security") from Interface Security Systems, LLC ("ISS"). Terms of the deal were not disclosed. Based in Fort Worth, TX, Hawk Security has been serving customers in the Texas market since the mid-1980s. As part of the acquisition, ACA will assume over 27,000 residential customers bringing its total served to more than 170,000 customers nationwide. ISS will continue to own and service its 12,000 Hawk commercial customers in Texas under the Interface brand name.