| Business | Phone |
| Commerce Facilitators 3924 Tedrich Blvd, Fairfax 22031 | (703) 273-7326 |
| Health Information Designs 11200 Waples Mill Rd, Fairfax 22030 | (703) 591-8107 |
| L C Technologies Inc 3955 Pender Dr 120, Fairfax 22030 | (703) 385-7133 |
| Medmarc 4000 Legato Rd 800, Fairfax 22033 | (703) 652-1305 |