1. Aggregate Industries 1268 Cronson Blvd, Crofton, MD 21114 Coordinate: 39.0126,-76.69929 Phone: (410) 721-5841
2. Gardner E L Inc Crofton Plz, Crofton, MD 21114 Coordinate: 39.005833,-76.6823 Phone: (410) 721-0005