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2009 Top 100
Companies evolve as government priorities change

CLICK HERE FOR THE 2010 TOP 100

We rank the largest government contractors according to their prime contracting revenue in government fiscal year 2008. Data is collected on government expenditures related to information technology products and services, systems integration, telecommunications, professional services and engineering services.

Click here for our coverage of the 2009 Top 100.

Click here for our methodology.

PRIVATELY HELD COMPANIES
2009 Company Contracts 2008
10 Booz Allen Hamilton Inc. $2,779,421,015 11
21 Battelle Memorial Institute $1,336,333,408 21
29 Aerospace Corp. $809,365,983
33 BearingPoint Inc. $726,139,196 28
36 General Atomics $593,742,395 65
39 Alion Science and Technology Corp. $568,721,662 31
41 Combat Support Associates $486,591,548 40
43 Wyle Laboratories Inc. $457,159,721 33
44 Arinc Inc. $446,655,706 42
46 World Wide Technology $429,578,066 63
47 NANA Regional Corp. $427,607,769 71
50 Apptis Inc. $383,220,698 47
51 Deloitte & Touche LLP $381,800,000 55
52 Vangent Inc. $377,774,611 57
57 Midwest Research Institute $332,293,328 52
58 Arctic Slope Regional Corp. $319,057,470 35
59 Development Alternatives Inc. $314,887,671 --
60 CDW Government Inc. $308,177,996 54
61 Chenega Corp. $305,541,630 76
62 SGT Inc. $292,624,295 91
63 Telos Corp. $284,736,042 64
65 Eyak Technology LLC $281,481,217 85
66 RTI International $276190646 87
68 Sensor Technologies Inc $273,885,378 81
69 Westat $266,898,298 69
70 Chemonics International Inc. $256,859,399
71 Indyne Inc $253,623,114 67
72 NCI Information Systems Inc. $235531780 78
74 Chugach Alaska Corp. $218,632,566 90
76 Artel Inc. $207,732,858 88
79 Softmart Inc. $202,344,754 49
82 Mission Essential Personnel $198,407,133 --
84 Government Acquisitions Inc. $191,833,145 75
86 Tybrin Corp. $187,746,618 74
87 CH2M Hill Companies Ltd. $180,568,381 --
88 Scientific Research Corp. $176,817,480 100
89 Parsons Corp. $173,646,619 95
91 Alutiiq LLC $171,126,422 --
92 BBNT Solutions LLC $167,702,701 --
93 immixGroup Inc. $167,105,472 66
94 STG Inc. $161,392,798 96
97 Centech Group Inc. $155,444,725 92
100 Institute for Defense Analyses $150,960,706 --
Washington Technology, Eagle Eye Publishers Inc., and Houlihan Lokey

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