Information Technology Contractors - Computer Services & Software
| Computer Services & Software | |||
| Total Purchases $20,531,385,000 | |||
| Rank | Parent Company | Amount ($000s) | Market Share (%) |
| 1 | Lockheed Martin Corp. | 1,411,610 | 6.88 |
| 2 | SAIC | 1,289,583 | 6.28 |
| 3 | Computer Sciences Corp. | 1,083,684 | 5.28 |
| 4 | Northrop Grumman Corp. | 926,577 | 4.51 |
| 5 | Electronic Data Systems Corp. | 529,878 | 2.58 |
| 6 | Unisys Corp. | 468,739 | 2.28 |
| 7 | Booz Allen & Hamilton Inc. | 463,871 | 2.26 |
| 8 | ACS | 432,499 | 2.11 |
| 9 | Raytheon Co. | 431,405 | 2.10 |
| 10 | General Dynamics Corp. | 419,052 | 2.04 |
| 11 | TRW Inc. | 351,661 | 1.71 |
| 12 | Accenture | 275,597 | 1.34 |
| 13 | IBM Corp. | 249,998 | 1.22 |
| 14 | AMS | 220,246 | 1.07 |
| 15 | SRA International Inc. | 217,636 | 1.06 |
| 16 | Titan Corp. | 212,267 | 1.03 |
| 17 | DynCorp | 209,593 | 1.02 |
| 18 | Mantech International Corp. | 165,837 | 0.81 |
| 19 | Computer Associates International | 164,963 | 0.80 |
| 20 | Azimuth Technologies Inc. | 158,634 | 0.77 |




