List of ADT Stores in Middle River, MD Outlet Note Regular Brands ADT Maryland Middle River Rating 4.9 based on 81 votes Official Website http://www.adt.com/ Products Alarm Monitoring Services NameAddressPhone Name/Address/Phone ADT outlet - Middle River (410) 406-5076 ADT outlet - Middle River 11605 Crossroads Cir, Ste N (888) 594-3844 ADT outlet - Middle River 11605 Crossroads Cir, Ste N (800) 796-0176 People Also Viewed