2015 Top 100

We rank the largest government contractors in today's market.

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.

Register for the Top 100 webcast.

2015 Company Contracts 2014
1 LOCKHEED MARTIN CORP. $11,700,962,000 1
2 NORTHROP GRUMMAN CORP. $6,893,607,000 2
3 Boeing Co. $5,256,827,000 N/A
4 Raytheon $4,815,472,000 N/A
5 GENERAL DYNAMICS $4,071,992,000 N/A
6 Hewlett Packard Co. $3,866,791,000 6
7 BOOZ ALLEN HAMILTON $3,665,860,000 7
8 SAIC $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 INC. 2,029,767,000 14
12 CACI INTERNATIONAL $2,011,349,000 N/A
13 Engility Corp. $1,936,200,000 30
14 AT&T Inc. $1,875,331,000 16
14 BATTELLE MEMORIAL INSTITUTE $1,875,331,000 26
15 L-3 Communications $1,725,575,000 N/A
15 L3HARRIS TECHNOLOGIES, INC. $1,725,575,000 N/A
16 Leidos Inc. $1,642,083,000 8
16 LEIDOS $1,642,083,000 8
17 ACCENTURE FEDERAL SERVICES $1,599,064,000 23
18 AECOM Technology Corp. $1,532,825,000 39
19 BAE SYSTEMS $1,369,984,000 N/A
20 IBM CORP. $1,349,206,000 24
21 Dell Inc. $1,325,166,000 21
22 Jacobs Engineering Group $1,317,973,000 N/A
24 FLUOR CORP $1,197,994,000 11
25 DELOITTE $1,115,457,000 N/A
26 SRA International $1,101,389,000 N/A
26 SRA International Inc. $1,101,389,000 29
27 United Technologies Corp. $1,072,515,000 28
28 MANTECH INTERNATIONAL $1,041,000,000 N/A
29 CGI GROUP $1,036,025,000 N/A
30 PAE $1,020,812,000 31
31 DynCorp International $936,099,000 N/A
32 Serco North America $794,587,000 N/A
33 Vencore $781,700,000 N/A
34 Aerospace Corp. $778,901,000 N/A
35 Alion Science & Technology $702,400,000 N/A
36 Wyle $679,294,000 35
37 CENTURYLINK, INC. $654,805,000 42
38 CDW Government Inc.** $602,458,000 51
39 Unisys Corp. $529,000,000 47
40 IRON BOW TECHNOLOGIES, LLC $521,113,000 50
41 Rockwell Collins Inc. $519,960,000 40
42 Honeywell International $517,992,000 N/A
43 SIERRA NEVADA CORP. $494,808,000 41
44 MYTHICS, INC. $478,049,000 57
45 VECTRUS SYSTEMS CORP. $459,764,000 N/A
46 RED RIVER COMPUTER COMPANY INC. $441,249,000 68
47 CHEMONICS INTERNATIONAL, INC. $430,530,000 N/A
48 Carahsoft Technology Corp. $416,277,000 56
49 Parsons Corp. $412,495,000 61
50 immixGroup Inc. $408,222,000 N/A
51 Arctic Slope Regional Corp. $394,420,000 55
52 SGT Inc. $391,434,000 48
53 DRS Technologies $385,172,000 N/A
54 ICF INTERNATIONAL $367,508,000 N/A
55 RTI INTERNATIONAL $319,204,000 60
56 World Wide Technology $317,298,000 N/A
57 MAXIMUS INC. $312,038,000 88
58 Tetra Tech Inc. $304,273,000 59
59 DLT Solutions $300,333,000 N/A
60 Actionet Inc. $285,278,000 71
61 WESTAT INC. $280,107,000 82
62 INSIGHT ENTERPRISES INC $265,906,000 N/A
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 N/A
67 ABT ASSOCIATES $252,187,000 N/A
68 Affigent $247,274,000 N/A
69 KPMG LLP $247,148,000 81
70 MICROSOFT CORP. $240,739,000 93
71 CH2M Hill Inc. $235,390,000 86
72 Alvarez & Associates $234,956,000 N/A
73 FCN INC $233,344,000 N/A
74 MicroTech LLC $232,525,000 89
75 General Atomics Technologies Corp. $231,976,000 69
76 THUNDERCAT TECHNOLOGY, LLC $222,993,000 76
77 CUBIC CORP. $215,165,000 72
78 Trax International Corp. $210,838,000 N/A
79 Pricewaterhousecoopers LLP $208,400,000 N/A
80 Calibre Systems Inc. $201,143,000 N/A
81 GENERAL ELECTRIC $189,679,000 N/A
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 N/A
86 TORCH TECHNOLOGIES INC. $175,954,000 N/A
87 VIASAT INC. $175,916,000 100
88 NCS Technologies $175,109,000 N/A
89 STG Inc. $174,526,000 84
90 Adams Communications & Engineering Technology Inc. $174,524,000 N/A
91 New Light Technologies Corp. $174,198,000 N/A
92 DEVELOPMENT ALTERNATIVES, INC $173,995,000 64
93 ECS Federal Inc. $173,888,000 N/A
94 BLUE TECH INC. $171,366,000 N/A
95 InDyne Inc. $168,838,000 N/A
96 BECHTEL GROUP, INC $166,901,000 N/A
97 BALL CORP. $166,506,000 N/A
98 FOUR POINTS TECHNOLOGY, LLC $165,244,000 N/A
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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