1. Lafarge North America 300 E Joppa Rd Ste 200, Towson, MD 21286 Coordinate: 39.40224,-76.59846 Phone: (410) 847-3333
2. P Flanigan & Sons 222 Bosley Ave, Towson, MD 21204 Coordinate: 39.39882,-76.60876 Phone: (410) 830-2623