2018 Top 100

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

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 

2018 Company Contracts 2017
1 General Dynamics Corp. $7,263,197,000 6
2 Leidos Inc. $6,791,828,000 1
3 NORTHROP GRUMMAN CORP. $6,665,651,000 3
4 Raytheon $5,791,611,000 N/A
5 LOCKHEED MARTIN CORP. $5,594,442,000 2
6 Boeing Co. $5,339,648,000 4
7 BOOZ ALLEN HAMILTON $4,138,643,000 8
8 PERSPECTA INC. $2,952,017,000 N/A
9 SAIC $2,685,392,000 11
10 CACI International Inc. $2,330,204,000 N/A
11 ACCENTURE FEDERAL SERVICES $2,308,104,000 13
12 PAE $2,092,124,000 15
13 VERIZON COMMUNICATIONS INC. $2,059,230,000 12
14 AT&T Inc. $1,979,011,000 14
15 Harris Corp. $1,804,137,000 17
16 KBR INC. $1,798,513,000 N/A
17 AECOM $1,752,258,000 16
18 L3 Technologies $1,663,628,000 19
19 CHEMONICS INTERNATIONAL, INC. $1,613,328,000 28
20 FLUOR CORP $1,539,244,000 21
21 MANTECH INTERNATIONAL $1,465,647,000 30
22 BAE SYSTEMS $1,459,791,000 18
23 Deloitte LLP $1,421,248,000 N/A
24 IBM CORP. $1,188,231,000 24
25 Jacobs Engineering Group $1,108,558,000 N/A
26 CGI FEDERAL $1,051,800,000 N/A
27 Engility Corp. $1,016,605,000 22
28 The Aerospace Corp. $948,145,000 N/A
29 CENTURYLINK, INC. $946,064,000 35
30 CDW Government Inc.** $871,412,000 N/A
31 General Atomics Technologies Corp. $798,154,000 36
32 DELL TECHNOLOGIES $782,502,000 N/A
32 DELL TECHNOLOGIES, INC. $782,502,000 N/A
33 Alion Science & Technology $764,911,000 N/A
34 PERATON INC. $740,285,000 N/A
35 Serco Group $723,403,000 31
36 SIERRA NEVADA CORP. $651,816,000 38
37 Rockwell Collins Inc. $647,646,000 48
38 Carahsoft Technology Corp. $644,388,000 40
39 Arctic Slope Regional Corp. $590,650,000 37
40 LEONARDO DRS $571,116,000 N/A
41 Unisys Corp. $570,918,000 39
42 MYTHICS, INC. $531,488,000 45
43 S&K Aerospace $521,489,000 N/A
44 INSIGHT ENTERPRISES INC $506,420,000 60
45 DynCorp International $503,579,000 N/A
46 SPACEX $482,117,000 54
47 ECS Federal $466,040,000 63
48 IRON BOW TECHNOLOGIES, LLC $462,625,000 49
49 World Wide Technology $439,952,000 N/A
50 Parsons Corp. $416,752,000 50
51 Pricewaterhousecoopers LLP $390,199,000 72
52 ICF INTERNATIONAL $384,090,000 N/A
53 Tetra Tech Inc. $378,784,000 47
54 FCN INC $373,781,000 67
55 RTI INTERNATIONAL $355,313,000 44
56 MICROSOFT CORP. $353,600,000 65
57 United Technologies Corp. $351,329,000 46
58 NTT DATA FEDERAL SERVICES $349,840,000 N/A
59 BATTELLE MEMORIAL INSTITUTE $346,381,000 N/A
60 DLT Solutions $346,240,000 55
61 TORCH TECHNOLOGIES INC. $342,715,000 68
62 Actionet Inc. $332,315,000 57
63 VECTRUS SYSTEMS CORP. $330,901,000 42
64 DEVELOPMENT ALTERNATIVES, INC $330,556,000 59
65 SALIENT CRGT, INC. $327,841,000 71
66 ABT ASSOCIATES $311,250,000 66
67 WESTAT INC. $296,848,000 61
68 SMX (formerly Smartronix) $295,369,000 85
69 IMMIXGROUP $295,064,000 N/A
70 RED RIVER COMPUTER COMPANY INC. $294,245,000 63
71 HUNTINGTON INGALLS INDUSTRIES $292,076,000 N/A
72 MAXIMUS INC. $288,998,000 69
73 FOUR POINTS TECHNOLOGY, LLC $287,251,000 83
74 KPMG LLP $284,551,000 77
75 NCI Inc. $276,252,000 64
76 KeyW Corp. $269,368,000 96
77 STERLING COMPUTERS CORP. $259,817,000 91
78 CISCO SYSTEMS INC $258,273,000 70
79 Orbital ATK Inc. $251,549,000 N/A
80 COLSA CORPORATION $251,365,000 92
81 HP INC. $250,038,000 51
82 VIASAT INC. $245,270,000 56
83 GOVERNMENT ACQUISITIONS INC $235,132,000 100
84 Adams Communication & Engineering Technology $232,809,000 N/A
85 THUNDERCAT TECHNOLOGY, LLC $227,624,000 89
86 GE $226,311,000 74
87 Motorola Solutions $224,005,000 98
88 BY LIGHT PROFESSIONAL IT SERVICES INC $223,779,000 84
89 Trax International Corp. $220,959,000 82
90 UKPEAGVIK INUPIAT CORP. $219,001,000 N/A
91 BLUE TECH INC. $214,046,000 N/A
92 SCIENTIFIC RESEARCH CORP. $212,331,000 90
93 NEW TECH SOLUTIONS, INC. $212,108,000 N/A
94 FOUR LLC $208,380,000 81
95 Digital Management Inc. $206,636,000 87
96 Alvarez & Associates $199,134,000 N/A
97 Ernst & Young $185,278,000 N/A
98 Noblis Inc. $184,483,000 97
99 SRC Inc. $183,116,000 N/A
100 NANA Regional Corp. $177,645,000 N/A

Federal Procurement Data System, Washington Technology

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