| Business | Phone |
| Milestone Granite & Marble Llc 1900 Lansdowne Rd, Halethorpe 21227 | (410) 737-9020 |
| United Marble & Granite Llc 1581 Sulphur Spring Rd, Halethorpe 21227 | (443) 543-0139 |
| Universal Marble & Granite Co 1954 Halethorpe Farms Rd, Halethorpe 21227 | (410) 247-2442 |