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 

TOP 100 CIVILIAN REVENUE
2018 Company Revenue
2 Leidos Inc. $4,147,674,000
1 General Dynamics Corp. $3,892,113,000
7 Booz Allen Hamilton $2,229,314,000
6 Boeing Co. $1,795,147,000
19 Chemonics International $1,613,328,000
8 Perspecta, formerly DXC public sector, Vencore and Keypoint $1,579,667,000
11 Accenture $1,429,107,000
12 PAE $1,309,065,000
14 AT&T Inc. $1,286,357,000
3 Northrop Grumman $1,280,932,000
23 Deloitte LLP $1,187,151,000
9 Science Applications International Corp. $1,064,411,000
17 AECOM $990,786,000
24 IBM Corp. $886,665,000
26 CGI Federal $868,500,000
25 Jacobs Engineering Group $689,608,000
15 Harris Corp. $679,672,000
16 KBR $654,451,000
32 Dell Technologies $582,947,000
46 SpaceX $482,117,000
41 Unisys Corp. $471,211,000
39 Arctic Slope Regional Corp. $451,184,000
42 Mythics Inc. $380,887,000
35 Serco Group $375,770,000
27 Engility Corp. $372,007,000
55 RTI International $350,952,000
30 CDW-G $348,959,000
52 ICF International $343,588,000
4 Raytheon $338,249,000
64 Development Alternatives Inc. $330,556,000
29 CenturyLink $325,557,000
62 Actionet Inc. $311,099,000
38 Carahsoft Technology Corp. $310,485,000
66 Abt Associates $309,032,000
53 Tetra Tech Inc. $299,662,000
58 NTT Data $297,629,000
67 Westat Inc. $296,848,000
72 Maximus Inc. $279,049,000
34 Peraton $272,470,000
65 Salient CRGT $264,492,000
13 Verizon Communications $261,970,000
68 Smartronix $256,052,000
73 Four Points Technology $251,375,000
48 Iron Bow Technologies $203,424,000
70 Red River Computer Co. $200,326,000
83 Government Acquisitions $195,656,000
85 Thundercat Technology $175,500,000
96 Alvarez & Associates $170,398,000
98 Noblis Inc. $164,010,000
47 ECS Federal $162,696,000
87 Motorola Solutions $160,642,000
95 Digital Management Inc. $155,419,000
88 By Light Professional IT Services Inc. $155,301,000
74 KPMG $142,439,000
75 NCI Inc. $135,572,000
94 Four LLC $117,932,000
56 Microsoft $107,826,000
93 New Tech Solutions Inc. $102,615,000
50 Parsons Corp. $100,001,000
49 World Wide Technology $95,298,000
60 DLT Solutions $95,149,000
79 Orbital ATK $95,104,000
33 Alion Science & Technology $93,536,000
31 General Atomics Technologies Corp. $91,469,000
100 Nana Regional Corp. $91,104,000
22 BAE Systems $88,591,000
77 Sterling Computers Corp. $78,747,000
76 KeyW Corp. $75,070,000
37 Rockwell Collins Inc. $69,749,000
97 Ernst & Young $66,220,000
28 The Aerospace Corp. $62,118,000
89 Trax International Corp. $56,700,000
90 Ukpeagvik Inupiat Corp. $54,247,000
80 Colsa Corp. $52,560,000
44 Insight Enterprises $46,240,000
71 Huntington Ingalls $36,526,000
99 SRC Inc. $35,064,000
57 United Technologies Corp. $29,432,000
86 GE $17,399,000
18 L3 Technologies $14,500,000
92 Scientific Research Corp. $13,180,000
45 DynCorp International $12,309,000
36 Sierra Nevada Corp. $9,454,000
82 Viasat $5,029,000
84 Adams Communication & Engineering Technology $3,814,000
40 Leonardo DRS $3,050,000
81 HP Inc. $1,475,000
78 Cisco Systems Inc. $608,000
20 Fluor Corp. $925,191 ,000
5 Lockheed Martin $372,773 ,000
51 PricewaterhouseCoopers (to be renamed after acquistion by Veritas) $280,280 ,000
54 FCN Inc. $244,916 ,000
21 ManTech International $271,976 ,000
59 Battelle Memorial Institute $123,987 ,000
69 immixGroup $209,483 ,000
10 CACI International Inc. $845,804 ,000
91 Blue Tech Inc. $103,060 ,000
Federal Procurement Data System, Washington Technology

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