Top 100: Top 10 past and present

A look back at the leading Federal Prime Contractors for the past 5 years.

1. Lockheed Martin Corp.2. Northrop Grumman Corp.3. SAIC4. Boeing Co.5. Computer Sciences Corp.6. Raytheon Co.7. General Dynamics Corp.8. WorldCom Inc.9. Electronic Data Systems Corp.10. BAE Systems plc 1. Lockheed Martin Corp.2. Northrop Grumman Corp.3. Boeing Co.4. SAIC5. General Dynamics Corp.6. Computer Sciences Corp.7. Raytheon Co.8. TRW Inc.9. Booz Allen Hamilton Inc.10. Unisys Corp.1. Lockheed Martin Corp.2. Northrop Grumman Corp.3. United Space Alliance*4. Computer Sciences Corp.5. Raytheon Co.6. SAIC7. Electronic Data Systems Corp.8. TRW Inc.9. General Dynamics Corp.10. AT&T Corp.1. Lockheed Martin Corp.2. United Space Alliance*3. Computer Sciences Corp.4. Boeing Co.5. Raytheon Co.6. AT&T Corp.7. General Dynamics Corp.8. TRW Inc.9. SAIC10. Northrop Grumman Corp.1. Lockheed Martin Corp.2. United Space Alliance*3. Raytheon Co.4. AT&T Corp.5. Computer Sciences Corp.6. SAIC7. Unisys Corp.8. Boeing Co.9. ACS Inc.10. TRW Inc.
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*A 50-50 venture between Lockheed Martin and Boeing. In 2002, revenue from United Space Alliance was assigned to the two firms.