28 : Serco Inc.
| Top 100 Revenue: |
$812,485,235 |
| Defense revenue: |
$528,115,403 |
| Civilian revenue: |
$284,369,832 |
| Headquarters: |
Vienna, Va. |
| Web address: |
http://www.serco-na.com |
| Ticker: |
SRP |
| Previous Profile: |
2008 |
Sources: Washington Technology, Eagle Eye Publishers Inc., and Houlihan Lokey