2018 Top 100

We rank the largest government contractors based on their fiscal 2017 prime contracts in IT, systems integration, professional services and telecommunications.

Read our analysis of the 2018 Top 100.

See our profile of the new No. 1 company, General Dynamics.

We look back at 25 years of Top 100s.

Register for our June 20 Top 100 webcast 

COMPANIES BY ALPHABETICAL LISTING
2018 Company Contracts 2017
66 Abt Associates $311,250,000 66
11 Accenture $2,308,104,000 13
62 Actionet Inc. $332,315,000 57
84 Adams Communication & Engineering Technology $232,809,000 88
17 AECOM $1,752,258,000 16
33 Alion Science & Technology $764,911,000 32
96 Alvarez & Associates $199,134,000 78
39 Arctic Slope Regional Corp. $590,650,000 37
14 AT&T Inc. $1,979,011,000 14
22 BAE Systems $1,459,791,000 18
59 Battelle Memorial Institute $346,381,000 58
91 Blue Tech Inc. $214,046,000
6 Boeing Co. $5,339,648,000 4
7 Booz Allen Hamilton $4,138,643,000 8
88 By Light Professional IT Services Inc. $223,779,000 84
10 CACI International Inc. $2,330,204,000 9
38 Carahsoft Technology Corp. $644,388,000 40
30 CDW-G $871,412,000 33
29 CenturyLink $946,064,000 35
26 CGI Federal $1,051,800,000 26
19 Chemonics International $1,613,328,000 28
78 Cisco Systems Inc. $258,273,000 70
80 Colsa Corp. $251,365,000 92
32 Dell Technologies $782,502,000 34
23 Deloitte LLP $1,421,248,000 20
64 Development Alternatives Inc. $330,556,000 59
95 Digital Management Inc. $206,636,000 87
60 DLT Solutions $346,240,000 55
45 DynCorp International $503,579,000
47 ECS Federal $466,040,000 62
27 Engility Corp. $1,016,605,000 22
97 Ernst & Young $185,278,000
54 FCN Inc. $373,781,000 67
20 Fluor Corp. $1,539,244,000 21
94 Four LLC $208,380,000 81
73 Four Points Technology $287,251,000 83
86 GE $226,311,000 74
31 General Atomics Technologies Corp. $798,154,000 36
1 General Dynamics Corp. $7,263,197,000 6
83 Government Acquisitions $235,132,000 100
15 Harris Corp. $1,804,137,000 17
81 HP Inc. $250,038,000 51
71 Huntington Ingalls $292,076,000
24 IBM Corp. $1,188,231,000 24
52 ICF International $384,090,000 52
69 immixGroup $295,064,000 73
44 Insight Enterprises $506,420,000 60
48 Iron Bow Technologies $462,625,000 49
25 Jacobs Engineering Group $1,108,558,000 25
16 KBR $1,798,513,000 23
76 KeyW Corp. $269,368,000 96
74 KPMG $284,551,000 77
18 L3 Technologies $1,663,628,000 19
2 Leidos Inc. $6,791,828,000 1
40 Leonardo DRS $571,116,000 43
5 Lockheed Martin $5,594,442,000 2
21 ManTech International $1,465,647,000 30
72 Maximus Inc. $288,998,000 69
56 Microsoft $353,600,000 65
87 Motorola Solutions $224,005,000 98
42 Mythics Inc. $531,488,000 45
100 Nana Regional Corp. $177,645,000
75 NCI Inc. $276,252,000 64
93 New Tech Solutions Inc. $212,108,000
98 Noblis Inc. $184,483,000 97
3 Northrop Grumman $6,665,651,000 3
58 NTT Data $349,840,000
79 Orbital ATK $251,549,000
12 PAE $2,092,124,000 15
50 Parsons Corp. $416,752,000 50
34 Peraton $740,285,000 17
8 Perspecta, formerly DXC public sector, Vencore and Keypoint $2,952,017,000 10
51 PricewaterhouseCoopers (to be renamed after acquistion by Veritas) $390,199,000 72
4 Raytheon $5,791,611,000 5
70 Red River Computer Co. $294,245,000 63
37 Rockwell Collins Inc. $647,646,000 48
55 RTI International $355,313,000 44
43 S&K Aerospace $521,489,000
65 Salient CRGT $327,841,000 71
9 Science Applications International Corp. $2,685,392,000 11
92 Scientific Research Corp. $212,331,000 90
35 Serco Group $723,403,000 31
36 Sierra Nevada Corp. $651,816,000 38
68 Smartronix $295,369,000 85
46 SpaceX $482,117,000 54
99 SRC Inc. $183,116,000
77 Sterling Computers Corp. $259,817,000 91
53 Tetra Tech Inc. $378,784,000 47
28 The Aerospace Corp. $948,145,000 29
85 Thundercat Technology $227,624,000 89
61 Torch Technologies $342,715,000 68
89 Trax International Corp. $220,959,000 82
90 Ukpeagvik Inupiat Corp. $219,001,000
41 Unisys Corp. $570,918,000 39
57 United Technologies Corp. $351,329,000 46
63 Vectrus $330,901,000 42
13 Verizon Communications $2,059,230,000 12
82 Viasat $245,270,000 56
67 Westat Inc. $296,848,000 61
49 World Wide Technology $439,952,000 41
Federal Procurement Data System, Washington Technology

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