1. Welton Technology 2 Shaker Rd Ste D220, Shirley, MA 01464 Coordinate: 42.54223,-71.64306 Phone: (978) 425-0160
2. Mcelroy Electronics 27 Fredonian St, Shirley, MA 01464 Coordinate: 42.5415,-71.65218 Phone: (978) 425-4055