| Business | Phone |
| Callas Construction Inc 74 E Moser Rd, Thurmont 21788 | (301) 271-4839 |
| Clabaugh Construction Inc Thurmont 21788 | (301) 271-5070 |
| Dorcus Construction 11228 Putman Rd, Thurmont 21788 | (301) 898-7337 |
| Gateway Enterprises Inc Thurmont 21788 | (301) 271-3033 |
| James R Irvine Construction 506 Tippin Ct, Thurmont 21788 | (301) 271-3272 |
| Schidt Construction Co 11 W Main St, Thurmont 21788 | (301) 271-2474 |
| Seiss Construction Co 12 W Main St, Thurmont 21788 | (301) 271-2396 |
| Willard Construction Inc 7933 Black Rd, Thurmont 21788 | (301) 695-7304 |
| Willie F Delauter & Son 122 Park Ln, Thurmont 21788 | (301) 271-2244 |