| Name | Phone |
| Public Water Supply Co | (302) 945-8880 (302) 945-3084 |
| Artesian Water Company Inc | (302) 453-6922 (800) 332-5114 |
| Sussex Shores Water Co | (302) 539-7611 |
| Tidewater Utilities Inc | (302) 734-7500 (877) 720-9272 |
| Long Neck Water Co | (302) 947-9600 |
Sussex County
