| Business | Phone |
| 3d-N-Focus Inc 114 Tides Run, Yorktown 23692 | (757) 898-9336 |
| Comsoft Corp 100 Constitution Dr, Yorktown 23692 | (757) 898-9018 |
| Equal Nox Consulting 7907 George Washington Mem Hwy, Yorktown 23692 | (757) 873-2311 |
| Isis Inc 5007 Victory Blvd # C, Yorktown 23693 | (804) 762-4200 |
| Knowledge Based Solutions 130 Lorna Doone Dr, Yorktown 23692 | (757) 898-3873 |
| Mitchell Software Svc Yorktown 23693 | (757) 867-7615 |
| Software Engineering Svc Inc 103 Meredith Ln, Yorktown 23692 | (757) 890-2997 |