| Rank | Company | Total Contracts | Location |
|---|
| 2 | Northrop Grumman | $10.8 billion | Tysons Corner |
| | Lockheed Martin | | |
| | Boeing | | |
| | General Electric | | |
| 5 | General Dynamics | $5.5 billion | Falls Church |
| 6 | Science Applications International Corp. | $5.2 billion | Tysons Corner |
| 9 | Booz Allen Hamilton | $3.7 billion | Tysons Corner |
| 11 | Computer Sciences Corp. | $3.5 billion | Falls Church |
| 12 | DynCorp International Inc. | $3.0 billion | Falls Church |
| 16 | ITT Corp. | $2.0 billion | Tysons Corner |
| | SAIC | | |
| | CACI | | |
| | USIS | | |
| | L3 Communications | | |
| | DynCorp | | |
| | SSI Services | | |
| | Omniplex World Services Corporation | | |
| | CSC | | |
| | Abraxas | | |
| 22 | ManTech International Corp. | $1.5 billion | Fairfax |
| 28 | Serco Inc. | $992.2 million | Reston |
| 30 | SRA International Inc. | $936.8 million | Fairfax |
| 34 | Apptis Inc. | $826.3 million | Chantilly |
| 41 | CGI Group Inc. | $735.9 million | Fairfax |
| 43 | QintetiQ Group PLC | $678.0 million | Tysons Corner |
| 50 | NCI Inc. | $492.5 million | Reston |
| 51 | Alion Science and Technology Corp. | $443.9 million | Tysons Corner |
| 54 | VSE Corp. | $443.9 million | Alexandria |
| 62 | U.S. Investigation Services Inc. | $356. 1 million | Tysons Corner |
| 64 | ICF International Inc. | $331.9 million | Fairfax |
| 66 | immixGroup Inc. | $306.8 million | Tysons Corner |
| 68 | GTSI Corp. | $287.7 million | Chantilly |
| 69 | Artel Inc. | $284.7 million | Reston |
| 71 | MicroTech LLC | $273.9 million | Tysons Corner |
| 74 | Carahsoft Technology Corp. | $246.4 million | Reston |
| 84 | InDyne Inc. | $205.0 million | Reston |
| 88 | STG Inc. | $193.9 million | Reston |
| 91 | DLT Solutions Inc. | $190.1 million | Herndon |