| Business | Phone |
| Charles Moon Plumbing & Htg 2901 Philadelphia Pike, Claymont 19703 | (302) 998-9576 |
| Four Seasons Plumbing Co 1 Franklin Ave, Claymont 19703 | (302) 792-9467 |
| Geiger Services Inc Claymont 19703 | (302) 798-3045 |
| Mc Kinley Plumbing Svc Claymont 19703 | (302) 765-2314 |
| Sobieski Plumbing Heating Claymont 19703 | (302) 798-9775 |
| Del Campo Plumbing & Heating Claymont 19703 | (302) 798-1776 |