2021 Fast 50
45: Open Systems Technologies Corporation
| Location: | Gainesville, Virginia |
| Annual growth rate: | 23.7% |
| 2020 Revenue: | $20,162,088 |
| 2019 Revenue: | $12,617,695.00 |
| 2018 Revenue: | $11,507,254 |
| 2017 Revenue: | $10,764,079 |
| 2016 Revenue: | $8,609,704.00 |
| Leadership: | Thomas R. Truitt |
| Number of employees: | 175 |
| Website: | https://www.ostcorpweb.net/ |
| Lines of business: | Cloud Computing and Enterprise Security Services |
| Major customers: | US Army, Department of Homeland Security, FBI, NRO, NGA, US Navy, NOAA, DLA |
| Major contracts/projects: | GSA IT 70 MAS, NOAA Cloud Computing and Enterprise Security Services |