| Business | Phone |
| Intelligent Decision Syst Inc 5870 Trinity Pkwy, Centreville 20120 | (703) 352-2506 |
| Courtyard University 5900 Centreville Rd 450, Centreville 20121 | (703) 263-2166 |
| Stovall Grainger Inc 6515 Trillium House Ln, Centreville 20120 | (703) 631-4767 |