| Business | Phone |
| A 1 Pressure Washing Svc 10720 Main St, Fairfax 22030 | (703) 352-5223 |
| Carco Group Inc 3900 Jermantown Rd 360, Fairfax 22030 | (703) 218-8000 |
| Ksi Svc Inc 8713 Duvall St, Fairfax 22031 | (703) 289-9476 |
| Mar Com Prdctn Svc Inc 10201 Main St, Fairfax 22030 | (703) 218-1673 |
| Mentor Services Unlimited 1110-B Elden St, Fairfax 22030 | (703) 709-1980 |
| National Service Assoc 11094 Lee Hwy, Fairfax 22030 | (703) 267-9577 |
| Office Of Hiv Svc 2832 Juniper St, Fairfax 22031 | (703) 204-3780 |
| Parson's Literary Svc 10560 Main St, Fairfax 22030 | (703) 385-4130 |
| Pfi Svc Inc 10511 Providence Way, Fairfax 22030 | (703) 352-3887 |
| Poplar Leaf Housing Inc 9519 Poplar Leaf Ct, Fairfax 22031 | (703) 385-8363 |
| Technical Services Group 12314 Fox Lake Ct, Fairfax 22033 | (703) 383-9100 |
| D E Al Svc 5309 Lindsay St, Fairfax 22032 | (703) 691-1474 |