| Business | Phone |
| Acs Federal Healthcare 5270 Shawnee Rd, Alexandria 22312 | (703) 941-4387 |
| All Care Health Mgmt Systs Inc 1940 Duke St 200, Alexandria 22314 | (703) 836-7036 |
| Chart One Inc Alexandria 22302 | (703) 998-8003 |
| National Rural Health Assoc 1600 Prince St 100, Alexandria 22314 | (703) 519-7910 |
| Lumenos 1801 N Beauregard St # 10, Alexandria 22311 | (703) 236-6300 |