Top 25 Homeland Security Contractors

Total Purchases: $13,628,504,457

Rank Parent Company Amount Market Share
1 Lockheed Martin Corp. $609,871,999 4.47%
2 IBM Corp. 512,274,006 3.76
3 General Dynamics Corp. 357,344,279 2.62
4 Computer Sciences Corp. 341,459,340 2.51
5 Northrop Grumman Corp. 340,910,931 2.50
6 Accenture 331,858,335 2.44
7 SAIC 316,576,047 2.32
8 Booz Allen Hamilton Inc. 288,071,135 2.11
9 L-3 Communications Holdings 267,566,353 1.96
10 Unisys Corp. 261,989,392 1.92
11 Boeing Co. 227,216,329 1.67
12 G4S PLC 218,310,025 1.60
13 General Electric Co. 183,295,973 1.34
14 Dell Computer Corp. 168,444,041 1.24
15 QinetiQ Ltd. 153,562,761 1.13
16 URS Corp. 153,244,523 1.12
17 Hewlett-Packard Co. 146,725,890 1.08
18 Siemens AG 135,889,438 1.00
19 Chenega Corp. 123,005,110 0.90
20 Fluor Corp. 117,722,671 0.86
21 Serco Group PLC 113,033,744 0.83
22 Reveal Imaging Technologies Inc. 109,905,804 0.81
23 SRA International Inc. 105,081,260 0.77
24 TL Industries Inc. 101,792,707 0.75
25 Corrections Corp. of America 101,611,760 0.75
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