Systems Integration
TOTAL PURCHASES: $3,131,088,000
| Rank | Parent Company | Amount ($000s) | Market Share |
| 1 | Lockheed Martin Corp. | 352,673 | 11.26 |
| 2 | Litton Industries Inc. | 212,606 | 6.79 |
| 3 | Computer Sciences Corp. | 210,592 | 6.73 |
| 4 | UNISYS | 147,787 | 4.72 |
| 5 | General Motors Corp. | 142,808 | 4.56 |
| 6 | Electronic Data Systems Corp. | 133,126 | 4.25 |
| 7 | International Research Institute | 113,189 | 3.62 |
| 8 | Boeing Co. | 109,887 | 3.51 |
| 9 | Science and Applied Technology | 89,181 | 2.85 |
| 10 | Wang Laboratories Inc. | 83,089 | 2.65 |
| 11 | IBM Corp. | 73,751 | 2.36 |
| 12 | TRW Inc. | 56,248 | 1.8 |
| 13 | Raytheon Co. | 54,411 | 1.74 |
| 14 | Logicon Inc. | 47,194 | 1.51 |
| 15 | Science Applications Intl. Corp. | 46,986 | 1.5 |
| 16 | Harris Corp. | 44,559 | 1.42 |
| 17 | Intergraph Corp. | 39,567 | 1.26 |
| 18 | Ceridian Corp. | 39,132 | 1.25 |
| 19 | Manufacturing Technology Inc. | 35,532 | 1.13 |
| 20 | Black & Decker | 34,049 | 1.09 |
| 21 | Federal Data Corp. | 33,550 | 1.07 |
| 22 | AMS | 31,775 | 1.01 |
| 23 | Information Technology Solutions | 31,704 | 1.01 |
| 24 | Applied Technology Associates | 29,001 | 0.93 |
| 25 | BDM Corp. | 28,067 | 0.9 |
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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