| Business | Phone |
| Potomac Construction Inc 10542 Peachtree Ln, Williamsport 21795 | (301) 791-9311 |
| Grove & Grove Construction 15528 Falling Waters Rd, Williamsport 21795 | (301) 223-5890 |
| Htjc 15037 Clear Spring Rd, Williamsport 21795 | (301) 223-1960 |
| Mc Cleary & Earley Inc 2 W Potomac Pkwy, Williamsport 21795 | (301) 739-7200 |