1. Fireline Corp 4506 Hollins Ferry Rd, Halethorpe, MD 21227 Coordinate: 39.2365,-76.66991 Phone: (410) 247-1422
2. Adt 1424 Sulphur Spring Rd, Halethorpe, MD 21227 Coordinate: 39.24786,-76.69173 Phone: (855) 975-4825