| Business | Phone |
| Campus Technology Inc 803 Sycolin Rd Se 204, Leesburg 20175 | (703) 777-9110 |
| Smartforce 18437 Lanier Island Sq, Leesburg 20176 | (703) 283-7600 |
| Smartnet Works 602 S King St 400, Leesburg 20175 | (703) 443-2023 |
| Software Consulting Specialist 2 Cardinal Park Dr Se, Leesburg 20175 | (703) 777-3733 |
| Firstlogic Inc 219 Foxborough Dr Sw, Leesburg 20175 | (703) 771-8335 |
| Forbes Analytic Software Inc 116 Edwards Ferry Rd Ne, Leesburg 20176 | (703) 779-7886 |
| Rohrer Associates Inc 7 Loudoun St Se, Leesburg 20175 | (703) 777-0018 |
| Pragmatix Leesburg 20176 | (703) 779-2846 |
| Quality Systems Assoc Inc 100 Dry Mill Rd Sw 101, Leesburg 20175 | (703) 771-9447 |
| Hunter Pd & T Inc 202 Wilson Ave Nw, Leesburg 20176 | (703) 669-2634 |
| Innovations Science Group 18549 Bear Creek Ter, Leesburg 20176 | (703) 771-2200 |
| Interactive Softworks Inc 803 Sycolin Rd Se, Leesburg 20175 | (703) 669-2800 |
| Knowledge Based Simulations 41882 Tutt Ln, Leesburg 20176 | (703) 777-3211 |
| Microneil Research Corp 550 Rockbridge Dr Se, Leesburg 20175 | (703) 779-4909 |
| Levit & James Inc 62 Sycolin Rd Se, Leesburg 20175 | (703) 771-1549 |
| Lindsay Group 821 Wage Dr Sw, Leesburg 20175 | (703) 669-2369 |