| Business | Phone |
| Bowman Environmental Llc 3863 Centerview Dr, Chantilly 20151 | (703) 464-0852 |
| L-3 Government Svc Inc 15049 Conference Center Dr, Chantilly 20151 | (703) 378-1900 |
| Millennium Science & Engrg Inc 14150 Newbrook Dr # 120, Chantilly 20151 | (703) 961-0710 |