| Business | Phone |
| Alex Plumbing Svc Severn 21144 | (410) 969-1761 |
| Confers Plumbing & Heating Severn 21144 | (410) 969-3980 |
| Cor-Lei Inc 8114 Quarterfield Rd, Severn 21144 | (410) 519-7648 |
| Mc Devitt & Son's Plbg & Htg 1111 Thompson Ave, Severn 21144 | (410) 553-6794 |
| Pinnacle Plumbing & Heating 1628 Severn Run Ct, Severn 21144 | (410) 437-5078 |
| R J's Plumbing & Heating 887 Elmhurst Rd, Severn 21144 | (410) 969-1977 |