| Business | Phone |
| Blue Sky Ventures Inc 428 Blue Sky Dr, Oakland 21550 | (301) 334-5660 |
| Don Nemith Builders 21287 Garrett Hwy # 100, Oakland 21550 | (301) 387-9198 |
| Liller Construction 3783 Pleasant Valley Rd, Oakland 21550 | (301) 334-4208 |
| Mountain Counties Construction 951 Foster Rd, Oakland 21550 | (301) 387-6563 |
| Rinker Construction Co 114 Keefer Rd, Oakland 21550 | (301) 334-8484 |
| Rpm Construction 207 Upper Penn Point Dr, Oakland 21550 | (301) 387-8219 |