| Business | Phone |
| All State Plumbing Heating 7 Frederick Rd, Thurmont 21788 | (301) 271-0600 |
| C I Eakin Plumbing 7319 Eylers Valley Flint Rd, Thurmont 21788 | (301) 271-4338 |
| J D Plumbing Inc 13113 Creagerstown Rd, Thurmont 21788 | (301) 271-0536 |
| Mick's Plumbing & Heating 27 Howard St, Thurmont 21788 | (301) 271-2488 |
| Thurmont Plumbing & Heating 109 Tippin Dr, Thurmont 21788 | (301) 271-4760 |