| Business | Phone |
| All Nite & Day Sewer & Drain 3799 N Dupont Hwy, Dover 19901 | (302) 855-1213 |
| Charles Messina Plbg & Elec Co 3681 S Little Creek Rd, Dover 19901 | (302) 674-5696 |
| John H Miller Plbg Htg & Ac 1893 S Dupont Hwy, Dover 19901 | (302) 735-7574 |
| K B's Plumbing Inc 1234 S Governors Ave # 2, Dover 19904 | (302) 678-2757 |
| Kanicki Services Hvac Dover 19901 | (302) 697-9733 |
| Paul's Plumbing & Heating 5734 Forrest Ave, Dover 19904 | (302) 734-5572 |
| Price Plumbing Dover 19901 | (302) 736-3006 |
| Service Plumbing & Septic 3799 N Dupont Hwy, Dover 19901 | (302) 422-4281 |
| Sobieski Dover 19901 | (302) 883-5726 |
| Trap's 1851 S Dupont Hwy # B, Dover 19901 | (302) 677-1775 |
| Charles Messina Plumbing & Electric 3681 South Little Creek Road, Dover 19901 | (302) 329-6750 |