| Business | Phone |
| Hart Technologies 7060 Infantry Ridge Rd, Manassas 20109 | (703) 366-2615 |
| Williams Professional Computer 13501 Brinn Ct, Manassas 20112 | (703) 791-5943 |
| Wolfe Pack Consulting 13130 Lodi Ct, Manassas 20112 | (703) 791-5607 |
| Alpha Informatics Ltd 8809 Sudley Rd 201, Manassas 20110 | (703) 392-0303 |
| Assess 2000 Pc 9622 Dairymaid Ct, Manassas 20111 | (703) 361-3373 |
| Ayat Inc 7529 Belle Grae Dr, Manassas 20109 | (703) 335-9782 |
| Uniplus Consultants Inc 8700 Centreville Rd, Manassas 20110 | (703) 365-2227 |
| Caci Technologies Inc 6933 Gateway Ct, Manassas 20109 | (703) 331-3300 |
| Cavendo Systems Corp Po Box 4881, Manassas 20108 | (703) 393-6916 |
| S 2 Inc 7510 Diplomat Dr, Manassas 20109 | (703) 393-2237 |
| Richard Group Inc 11992 Coverstone Hill Cir, Manassas 20109 | (703) 367-0643 |
| Pbvr 6194 Deer Path Ct, Manassas 20112 | (703) 335-0848 |
| Manassas Systems Integration Manassas 20110 | (703) 257-0604 |
| Infotivity Technologies Inc 8130 Counselor Rd, Manassas 20112 | (703) 791-8277 |
| Integrated Information 8628 Centreville Rd, Manassas 20110 | (703) 335-6148 |
| Integrated Information Solutns 9411 Main St 201, Manassas 20110 | (703) 330-4889 |
| Isoterix Inc 8628 Centreville Rd, Manassas 20110 | (703) 368-6737 |
| Lanman Consulting 9900 Loudoun Ave, Manassas 20109 | (703) 369-7651 |
| Parjen Consulting 8960 Milroy Court, Manassas 20110 | (703) 470-6067 |