| Business | Phone |
| Catonsville Dialysis Facility 1581 Sulphur Spring Rd # 112, Halethorpe 21227 | (410) 242-7766 |
| Chesapeake Medical Systems 1520 Caton Center Dr, Halethorpe 21227 | (443) 568-0232 |
| Gambro Healthcare 1581 Sulphur Spring Rd, Halethorpe 21227 | (410) 242-4700 |
| Integrated Medical Syst Inc 1587 Sulphur Spring Rd, Halethorpe 21227 | (410) 242-8001 |