| DHS | FY2004 | |
| 1 | INTEGRATED COAST GUARD SYSTEMS | $544,354,389 |
| 2 | UNISYS CORP | $357,864,804 |
| 3 | BOEING SERVICE COMPANY | $336,341,069 |
| 4 | INVISION TECHNOLOGIES | $194,650,196 |
| 5 | COOPERATIVE PERSONNEL SERVICES | $138,857,727 |
| 6 | LOCKHEED MARTIN TECHNICAL SERV | $87,020,900 |
| 7 | GENERAL DYNAMICS DECISION SYST | $85,280,882 |
| 8 | DEWBERRY & DAVIS LLC | $80,705,687 |
| 9 | VERTEX AEROSPACE | $79,109,837 |
| 10 | COVENANT AVIATION SECURITY, LL | $77,451,227 |
