2019 Fast 50
42: Open Systems Technologies Corporation
| Location: | Gainesville, Virginia |
| Annual growth rate: | 41.1% |
| 2018 Revenue: | $11,507,254 |
| 2017 Revenue: | $10,764,079 |
| 2016 Revenue: | $8,609,704.00 |
| 2015 Revenue: | $5,498,343.00 |
| 2014 Revenue: | $2988377 |
| Leadership: | Thomas R. Truitt |
| Number of employees: | 135 |
| Website: | https://www.ostcorpweb.net/ |
| Lines of business: | IT Engineering Services to include Cloud Computing and Cyber-Security Implementation and Integration |
| Major customers: | US Army, US Postal Service, Federal Bureau of Investigation, Department of Homeland Security, Defense Logistics Agency, National Geospatial Agency |
| Major contracts/projects: | Not revealed |