1. A Dt - ADT Alarm & Security - Main Number 1464 County St, Somerset, MA 02726 Coordinate: 41.75243,-71.14098 Phone: (508) 202-7820
2. Twin City Alarms 61 Alden Pl, Somerset, MA 02725 Coordinate: 41.71912,-71.16703 Phone: (508) 676-2880