| Business | Phone |
| A A Replacement Plumbing Parts 4251 Harford Rd, Baltimore 21214 | (410) 426-7946 |
| Ferguson Enterprises Inc 1829 Edison Hwy, Baltimore 21213 | (410) 276-5200 |
| Ferguson Enterprises Inc 4001 E Monument St, Baltimore 21205 | (410) 732-4202 |
| Joseph G Hildebrand 613 Nottingham Rd, Baltimore 21229 | (410) 566-1822 |
| Schumacher & Seiler Inc 7415 Harford Rd, Baltimore 21234 | (410) 254-5943 |
| Root N Rooter Baltimore 21201 | (410) 636-3200 |
| Schumacher & Seiler Inc 7910 E Baltimore St, Baltimore 21224 | (410) 284-8955 |
| Thomas Somerville Co 1710 N Ellwood Ave, Baltimore 21213 | (410) 563-3000 |