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| CACI Products Group | December 16, 1999 |
| Livernois Staffing Services, LLC | September 15, 1999 |
| Programart Corporation | September 7, 1999 |
| Data Processing Resources Corporation | June 24, 1999 |
| Reliant Data Systems | May 26, 1999 |
| MIS | February 23, 1999 |
| Vireo Software | October 22, 1998 |
| Centerline | August 10, 1998 |
| UnderWare, Inc. | March 4, 1998 |
| NuMega Technologies | December 12, 1997 |
| Vine Systems | April 1, 1997 |
| Virtual Innovation | March 21, 1997 |
| MC2 | March 1, 1997 |
| Promark | July 31, 1996 |
| Adams & Reynolds | May 31, 1996 |
| Direct Technology | May 10, 1996 |
| Trinty Software Design | April 1, 1996 |
| Technalysis | April 30, 1996 |
| Icons | January 16, 1996 |
| CoroNet | October 17, 1995 |
| UNIFACE | May 27, 1994 |
| Computer People Unlimited | March 11, 1994 |
| EcoSYSTEMS | August 31, 1993 |
| XA Systems | July 25, 1991 |
| ISI | November 1, 1990 |
| Centura | August 1, 1990 |
| Eyewitness (Landmark) | January 1993 |
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