2015 Top 100

We rank the largest government contractors by their prime contract dollars in IT, systems integrations, telecommunications, engineering and professional services.

For our analysis of the 2015 Top 100, click here.

See our slideshow on the Top 100.

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COMPANIES BY RANKING
2015 Company Contracts 2014
1 Lockheed Martin $11,700,962,000 1
2 Northrop Grumman $6,893,607,000 2
3 Boeing Co. $5,256,827,000 4
4 Raytheon $4,815,472,000 3
5 General Dynamics $4,071,992,000 5
6 Hewlett-Packard Co. $3,866,791,000 6
7 Booz Allen Hamilton $3,665,860,000 7
8 Science Applications International Corp. $2,570,645,000 19
9 Harris Corp. $2,552,193,000 12
10 Computer Sciences Corp. $2,379,495,000 9
11 Verizon Communications 2,029,767,000 14
12 CACI International $2,011,349,000 13
13 Engility Corp. $1,936,200,000 30
14 AT&T INC. $1,875,331,000 16
15 L-3 Communications $1,725,575,000 15
16 Leidos Inc. $1,642,083,000 8
17 Accenture $1,599,064,000 23
18 AECOM Technology Corp. $1,532,825,000 39
19 BAE Systems $1,369,984,000 20
20 IBM Corp. $1,349,206,000 24
21 Dell Inc. $1,325,166,000 21
22 Jacobs Engineering Group $1,317,973,000 22
23 Battelle Memorial Institute $1,198,425,000 26
24 Fluor $1,197,994,000 11
25 Deloitte $1,115,457,000 27
26 SRA International $1,101,389,000 29
27 United Technologies Corp. $1,072,515,000 28
28 ManTech International $1,041,000,000 18
29 CGI Group $1,036,025,000 32
30 PAE $1,020,812,000 31
31 DynCorp International $936,099,000 10
32 Serco North America $794,587,000 34
33 Vencore $781,700,000 46
34 Aerospace Corp. $778,901,000 33
35 Alion Science & Technology $702,400,000 36
36 Wyle $679,294,000 35
37 CenturyLink Inc. $654,805,000 42
38 CDW-Government $602,458,000 51
39 Unisys Corp. $529,000,000 47
40 Iron Bow Technologies $521,113,000 50
41 Rockwell Collins $519,960,000 40
42 Honeywell International $517,992,000 37
43 Sierra Nevada Corp. $494,808,000 41
44 Mythics Inc. $478,049,000 57
45 Vectrus Inc. $459,764,000 17
46 Red River Computer Co. $441,249,000 68
47 Chemonics International $430,530,000 45
48 Carahsoft Technology Corp. $416,277,000 56
49 Parsons Corp. $412,495,000 61
50 ImmixGroup Inc. $408,222,000 57
51 Arctic Slope Regional Corp. $394,420,000 55
52 SGT Inc. $391,434,000 48
53 DRS Technologies $385,172,000 44
54 ICF International $367,508,000 52
55 RTI International $319,204,000 60
56 World Wide Technology $317,298,000 63
57 Maximus $312,038,000 88
58 Tetra Tech Inc. $304,273,000 59
59 DLT Solutions $300,333,000 66
60 Actionet Inc. $285,278,000 71
61 Westat Inc. $280,107,000 82
62 Insight Enterprises Inc. $265,906,000
63 Intuitive Research and Technology Corp. $276,311,000 70
64 Digital Management Inc. $265,682,000 74
65 NCI Inc. $263,440,000 79
66 Mission Essential $258,251,000 38
67 Abt Associates $252,187,000 78
68 Affigent $247,274,000
69 KPMG LLP $247,148,000 81
70 Microsoft $240,739,000 93
71 CH2M Hill Inc. $235,390,000 86
72 Alvarez & Associates $234,956,000 99
73 FCN Inc. $233,344,000
74 MicroTech $232,525,000 89
75 General Atomics Technologies Corp. $231,976,000 69
76 Thundercat Technology $222,993,000 76
77 Cubic Corp. $215,165,000 72
78 Trax International $210,838,000
79 PricewaterhouseCoopers $208,400,000
80 Calibre Systems Inc. $201,143,000
81 General Electric $189,679,000 49
82 Scientific Research Corp. $188,336,000 92
83 SRI International $187,205,000 80
84 John Snow Inc. $185,016,000 83
85 AASKI Technology $178,299,000
86 Torch Technologies $175,954,000
87 ViaSat $175,916,000 100
88 NCS Technologies $175,109,000
89 STG Inc. $174,526,000 84
90 Adams Communications & Engineering Technology Inc. $174,524,000
91 New Light Technologies Corp. $174,198,000
92 Development Alternatives Inc. $173,995,000 64
93 ECS Federal Inc. $173,888,000
94 Blue Tech Inc. $171,366,000
95 Indyne Inc. $168,838,000
96 Bechtel Group Inc. $166,901,000
97 Ball Corp. $166,506,000
98 Four Points Technology $165,244,000
99 KeyPoint Government Solutions $162,176,000 96
100 Camber Corp. $162,127,000 94
FPDS-NG, USASpending, Houlihan Lokey and Washington Technology.

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