Top 20 company profiles
No. 2 Northrop Grumman No. 4 SAIC No. 5 Raytheon No. 6 General Dynamics No. 7 Hewlett-Packard Co. No. 8 Booz Allen Hamilton No. 9 Computer Sciences Corp. No. 10 DynCorp International No. 12 L-3 Communication Corp. No. 13 Fluor Corp. No. 14 CACI International No. 15 ITT Exelis No. 16 KBR Inc. No. 17 ManTech International No. 18 Verizon Communications No. 19. Dell Inc. No. 20 BAE Systems