| Business Name | Phone | Address | zip code |
| Ensco Inc | (703)321-9000 | 5400 Port Royal Road | 22151 |
| G K Y Associates | (703)642-5080 | 5411 Backlick Road Suite E | 22151 |
| Contracting & Technical Service Inc | (703)642-9746 | 6800 Versar Centre | 22151 |
| Versar Inc | (703)750-3000 | 6850 Versar Centre Suite 1 | 22151 |
| Versar Inc | (703)941-4728 | 6850 Versar Centre Suite 1 | 22151 |
| Klingemann Consultants | (703)978-0100 | 8001 Braddock Road Suite 200 | 22151 |
You can also check out Consulting Engineers in Springfield