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    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
    2019 Company Contracts 2018
    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 $691,267 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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