1999 Top Systems Integration Contractors
TOTAL PURCHASES $6,710,673,000
| Rank | Parent Company | Amount ($000s) | Market Share |
| 1 | Lockheed Martin Corp. | $636,536 | 9.49% |
| 2 | Litton Industries Inc. | 357,209 | 5.32 |
| 3 | Computer Sciences Corp. | 341,181 | 5.08 |
| 4 | Science Applications Intl. Corp. | 326,199 | 4.86 |
| 5 | Unisys Corp. | 260,897 | 3.89 |
| 6 | Electronic Data Systems Corp. | 247,072 | 3.68 |
| 7 | Raytheon Co. | 216,923 | 3.23 |
| 8 | Affiliated Computer Services Inc. | 177,152 | 2.64 |
| 9 | Compaq Computer Corp. | 149,232 | 2.22 |
| 10 | Booz Allen & Hamilton Inc. | 144,958 | 2.16 |
| 11 | Northrop Grumman Corp. | 131,003 | 1.95 |
| 12 | TRW Inc. | 122,736 | 1.83 |
| 13 | Boeing Co. | 122,205 | 1.82 |
| 14 | GTSI | 96,859 | 1.44 |
| 15 | Wang Global Inc. | 91,972 | 1.37 |
| 16 | Federal Data Corp. | 90,081 | 1.34 |
| 17 | SRA International Inc. | 88,637 | 1.32 |
| 18 | KPMG Peat Marwick | 81,265 | 1.21 |
| 19 | Signal Corp. | 73,650 | 1.10 |
| 20 | Anteon Corp. | 73,005 | 1.09 |
| 21 | IBM Corp. | 70,262 | 1.05 |
| 22 | Oracle Corp. | 66,050 | 0.98 |
| 23 | Intergraph Corp. | 63,884 | 0.95 |
| 24 | GTE Corp. | 62,934 | 0.94 |
| 25 | Telos Corp. | 61,132 | 0.91 |
Rankings are based on Product Service and SIC codes related to the development, analysis and integration of ADP systems and
related components. They are based on prime contracts of $25,000 or more for all federal agencies.
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