| Business | Phone |
| Wilmark Enterprises Inc 9819 Brentsville Rd, Manassas 20112 | (703) 368-9259 |
| Apter International Inc 8811 Sudley Rd, Manassas 20110 | (703) 361-6061 |
| Baldwin Group 8573 Sudley Rd, Manassas 20110 | (703) 392-0918 |
| Calian Technology Ltd 7960 Donegan Dr, Manassas 20109 | (703) 392-4950 |
| Catalyst Consulting Manassas 20110 | (703) 369-4488 |
| Success Tech Management & Svc 8802 Sudley Rd 1, Manassas 20110 | (703) 369-2528 |
| Ccs & T 10600a Crestwood Dr, Manassas 20109 | (703) 368-8046 |
| Ccst Computers Consulting 9401 Peabody St, Manassas 20110 | (703) 257-9798 |
| Comfort One Shoes 8905 Reb Yank Dr, Manassas 20110 | (703) 330-9955 |
| Sequoia Management Corp 7651 Ashton Ave, Manassas 20109 | (703) 369-6904 |
| Sequoia Management Corp 7800 Sudley Rd, Manassas 20109 | (703) 361-9712 |
| Rjd Consulting 8063 Gracie Dr, Manassas 20112 | (703) 791-2237 |
| Professional Business Solution 8617 Jackson Ave, Manassas 20110 | (703) 368-2482 |
| Pinnacle Management Systems 7960 Donegan Dr 200, Manassas 20109 | (703) 368-5194 |
| Rosamond Tompkins 8401 Dorsey Cir 202, Manassas 20110 | (703) 361-4021 |
| First Washington Management Co 9946 Liberia Ave, Manassas 20110 | (703) 361-0815 |
| Flory Small Business Dev Ctr 10311 Sudley Manor Dr, Manassas 20109 | (703) 335-2500 |
| Multi Group Industries Usa 8710 Fort Dr, Manassas 20110 | (703) 368-9979 |
| Mid Atlantic Home Health 7504 Diplomat Dr 101, Manassas 20109 | (703) 335-1957 |
| Mc Manis & Monsalve 7518 Diplomat Dr, Manassas 20109 | (703) 331-3890 |
| Hfac 13165 Trails End Ct, Manassas 20112 | (703) 791-2846 |
| Hunter & Assoc 13072 Pershing Dr, Manassas 20112 | (703) 794-9707 |
| Information Manufacturing Corp 7000 Infantry Ridge Rd 200, Manassas 20109 | (703) 393-2400 |
| Joseph Institute 8591 King Carter St, Manassas 20110 | (703) 335-6642 |