| Location: | Bridgeport, W. Va.| Tysons, Va. |
| Annual growth rate: | 68.3% |
| 2016 revenue: | $49,877,566 |
| 2015 revenue: | $19,958,290 |
| 2014 revenue: | $7,929,340 |
| 2013 revenue: | $7,023,359 |
| 2012 revenue: | $6,209,788 |
| Leadership: | Arria Hines |
| Number of employees: | 230 |
| Web site: | http://www.alleghenyst.com/ |
| Lines of business: | Engineering, Scientific, and Management Technology Solutions . |
| Major customers: | Department of Energy, Department of Defense, the Intelligence Community(IC)/US Government, Department of Homeland Security, NASA, HHS |
| Major contracts/projects: | DOE Energy Efficiency & Renewable Energy (EERE) Support; HHS CMS Rapid Cloud-based Independent Verification & Validation (IV&V) |