| Business | Phone |
| American Systems 3600 Pointe Center Ct 250, Dumfries 22026 | (703) 441-2549 |
| Klunder Consulting 4498 Larchmont Ct, Dumfries 22025 | (703) 878-8241 |
| Sabra Wang & Assoc 4596 Bishop Pl, Dumfries 22025 | (703) 680-6468 |
| Vita Tech Engineering 15414 Beachview Dr, Dumfries 22025 | (703) 670-8981 |
| L-3 Communications Titan Group 17932 Fraley Blvd 308, Dumfries 22026 | (703) 441-4564 |