2018 Top 100
35: Serco Group
| Top 100 Revenue: | $723,403,000 |
| Defense Revenue: | $347,633,000 |
| Civilian Revenue: | $375,770,000 |
| 2017 Revenue: | N/A |
| 2017 Earnings: | N/A |
| 2016 Revenue: | N/A |
| 2016 Earnings: | N/A |
| Number of employees: | N/A |
| Headquarters: | Reston, Va. |
| Website: | https://www.serco.com/na |
| Leadership: | N/A |
| Ticker: | SRP |
| Lines of business: | N/A |
| Major customers: | N/A |
| Major contracts/projects: | N/A |