2019 Top 100
We rank the largest government contractors in the federal market based on their prime contract obligation during fiscal 2018. The rankings are based on analysis of procurement data in the areas of IT, professional services, telecommunications and other high-tech services areas.
Read our analysis
Profiles of leading companies to come.
Attend our June 21 Secrets of the Top 100 event where you'll hear from leading Top 100 executives.
Sign up for the annual Top 100 webcast on June 26.
PUBLICLY TRADED COMPANIES
| 1 |
LEIDOS INC. |
$7,369,054,000 |
2 |
| 2 |
GENERAL DYNAMICS |
$6,778,705,000 |
1 |
| 3 |
NORTHROP GRUMMAN CORP. |
6,587,836,000 |
3 |
| 4 |
LOCKHEED MARTIN CORP. |
$6,386,153,000 |
5 |
| 5 |
RAYTHEON |
$5,683,669,000 |
4 |
| 6 |
BOEING CO. |
$5,666,767,000 |
6 |
| 7 |
BOOZ ALLEN HAMILTON |
$4,797,109,000 |
7 |
| 8 |
PERSPECTA |
$3,605,806,000 |
8 |
| 9 |
SCIENCE APPLICATIONS INTERNATIONAL CORP. |
$3,514,509,000 |
9 |
| 10 |
CACI INTERNATIONAL |
$2,827,068,000 |
10 |
| 11 |
JACOBS ENGINEERING GROUP INC. |
$2,400,059,000 |
25 |
| 12 |
ACCENTURE |
$2,361,797,000 |
11 |
| 13 |
HARRIS CORP. |
$2,291,172,000 |
15 |
| 15 |
AECOM |
$2,194,217,000 |
17 |
| 16 |
KBR Inc. |
$2,113,221,000 |
16 |
| 17 |
VERIZON COMMUNICATIONS |
$2,069,412,000 |
13 |
| 18 |
L3 TECHNOLOGIES, INC. |
$2,011,979,000 |
18 |
| 19 |
AT&T |
$1,979,165,000 |
14 |
| 21 |
FLUOR CORP. |
$1,807,648,000 |
20 |
| 22 |
BAE SYSTEMS |
$1,713,670,000 |
22 |
| 24 |
IBM CORP. |
$1,243,218,000 |
24 |
| 25 |
MAXIMUS INC. |
$1,217,945,000 |
72 |
| 27 |
UNITED TECHNOLOGIES CORP. |
$974,013,000 |
57 |
| 29 |
CENTURYLINK |
$963,506,000 |
29 |
| 30 |
CGI GROUP |
$918,000,000 |
26 |
| 32 |
DELL TECHNOLOGIES |
$861,133,000 |
32 |
| 33 |
MANTECH INTERNATIONAL CORP. |
$853,613,000 |
21 |
| 39 |
SERCO NORTH AMERICA |
$337,560,000 |
35 |
| 43 |
INSIGHT ENTERPRISES INC. |
$625,973,000 |
44 |
| 44 |
UNISYS CORP. |
$586,719,000 |
41 |
| 46 |
VIASAT INC. |
$518,957,000 |
82 |
| 49 |
PARSONS CORP. |
$488,124,000 |
50 |
| 51 |
ICF INTERNATIONAL INC. |
$471,196,000 |
52 |
| 62 |
VECTRUS SYSTEMS CORP. |
$364,700,000 |
63 |
| 72 |
HUNTINGTON INGALLS INDUSTRIES, INC. |
$294,801,000 |
71 |
| 92 |
KEYW CORP. |
$211,758,000 |
76 |
| 94 |
CUBIC CORP. |
$210,008,000 |
|
Federal Procurement Data System, USASpending, Washington Technology
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