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 

PUBLICLY TRADED COMPANIES
2018 Company Contracts 2017
1 General Dynamics Corp. $7,263,197,000 6
2 Leidos Inc. $6,791,828,000 1
3 Northrop Grumman $6,665,651,000 3
4 Raytheon $5,791,611,000 5
5 Lockheed Martin $5,594,442,000 2
6 Boeing Co. $5,339,648,000 4
7 Booz Allen Hamilton $4,138,643,000 8
9 Science Applications International Corp. $2,685,392,000 11
10 CACI International Inc. $2,330,204,000 9
11 Accenture $2,308,104,000 13
13 Verizon Communications $2,059,230,000 12
14 AT&T Inc. $1,979,011,000 14
15 Harris Corp. $1,804,137,000 17
16 KBR $1,798,513,000 23
17 AECOM $1,752,258,000 16
18 L3 Technologies $1,663,628,000 19
21 ManTech International $1,465,647,000 30
22 BAE Systems $1,459,791,000 18
24 IBM Corp. $1,188,231,000 24
25 Jacobs Engineering Group $1,108,558,000 25
26 CGI Federal $1,051,800,000 26
27 Engility Corp. $1,016,605,000 22
29 CenturyLink $946,064,000 35
30 CDW-G $871,412,000 33
35 Serco Group $723,403,000 31
37 Rockwell Collins Inc. $647,646,000 48
40 Leonardo DRS $571,116,000 43
41 Unisys Corp. $570,918,000 39
44 Insight Enterprises $506,420,000 60
47 ECS Federal $466,040,000 62
52 ICF International $384,090,000 52
53 Tetra Tech Inc. $378,784,000 47
56 Microsoft $353,600,000 65
57 United Technologies Corp. $351,329,000 46
58 NTT Data $349,840,000
63 Vectrus $330,901,000 42
71 Huntington Ingalls $292,076,000
72 Maximus Inc. $288,998,000 69
76 KeyW Corp. $269,368,000 96
78 Cisco Systems Inc. $258,273,000 70
79 Orbital ATK $251,549,000
81 HP Inc. $250,038,000 51
82 Viasat $245,270,000 56
86 GE $226,311,000 74
87 Motorola Solutions $224,005,000 98
Federal Procurement Data System, Washington Technology

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