Top 25 Homeland Security Contractors

Total Purchases: $13,671,380,056

Rank Parent Company Amount Market Share
1 Boeing Co. $591,047,895 4.32%
2 Lockheed Martin Corp. 486,939,176 3.56
3 IBM Corp. 485,197,799 3.54
4 Accenture 392,700,978 2.87
5 General Dynamics Corp. 391,604,830 2.86
6 SAIC 363,325,732 2.65
7 Unisys Corp. 343,981,542 2.51
8 L-3 Communications Holdings 325,164,806 2.37
9 Northrop Grumman Corp. 312,895,190 2.28
10 Carlyle Group 255,919,872 1.87
11 Computer Sciences Corp. 220,988,720 1.61
12 G4S PLC 177,159,427 1.29
13 Qinetiq Ltd. 173,235,769 1.26
14 URS Corp. 145,637,430 1.06
15 American Eurocopter Corp. 143,877,146 1.05
16 General Electric Co. 137,598,409 1.00
17 Siemens AG 132,943,238 0.97
18 AKAL Security Inc. 132,286,442 0.96
19 Motorola Inc. 126,281,824 0.92
20 FirstGroup PLC 105,950,602 0.77
21 Chenega Corp. 102,819,157 0.75
22 BAE Systems 102,253,979 0.74
23 Michael Baker Corp. 102,084,376 0.74
24 Hewlett-Packard Co. 99,422,271 0.72
25 SRA International Inc. 91,326,776 0.66
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