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

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