| Business | Phone |
| Christian Brothers Painting 42 Pleasant Hill Cir, Oakland 21550 | (301) 334-6206 |
| Country Homes Construction 580 Foster Rd, Oakland 21550 | (301) 387-7400 |
| Devlin Inc 1000 Thayer Ctr, Oakland 21550 | (301) 334-4227 |
| Don Nemith Builders 1047 Sanders Ln, Oakland 21550 | (301) 334-2993 |
| Eagle Rock Construction 1094 Eagle Rock Rd, Oakland 21550 | (301) 533-3291 |
| G & C Construction Inc 71 Ashby Cemetery Rd, Oakland 21550 | (301) 334-2696 |
| Gnegy Construction 3241 Pleasant Valley Rd, Oakland 21550 | (301) 334-8300 |
| Gosnell Inc 18906 Garrett Hwy, Oakland 21550 | (301) 387-6401 |
| Ivan Kinsinger Construction 8004 Garrett Hwy, Oakland 21550 | (301) 334-2893 |
| James A Baker Contractor 1400 Gnegy Church Rd, Oakland 21550 | (301) 334-6036 |
| John Mattingly 121 Sunset Ln, Oakland 21550 | (301) 387-9278 |
| Little Joe's Contracting Oakland 21550 | (301) 334-9536 |
| Robert D Beitzel Excavating 20 Lumber City Rd, Oakland 21550 | (301) 334-6326 |
| Roger Sines Construction 14689 Garrett Hwy, Oakland 21550 | (301) 387-0506 |
| Small Jobs Unlimited 3287 Cranesville Rd, Oakland 21550 | (301) 387-8040 |