| Business | Phone |
| Ray's Custom Plumbing Inc 30111 Deep Branch Ln, Trappe 21673 | (410) 822-6007 |
| Roto Rooter Sewer & Drain Svc Route 50, Trappe 21673 | (410) 476-3883 |
| Roto-Rooter Plumbing & Drain 29481 Laurwayn Dr, Trappe 21673 | (410) 778-7373 |
| Doty Sewer & Drain 29468 Laurwayn Dr # 1, Trappe 21673 | (410) 820-0232 |