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    Federal System Integrators (2026)

    Updated November 4, 2026

    Key takeaway

    All five engines point to the Washington Technology Top 100, ranked by federal contract dollars, and name Leidos, Booz Allen Hamilton and Lockheed Martin at the top (Gemini, Copilot, ChatGPT, Google AI Mode). None gives a verified full 100; ChatGPT and Copilot give the most detail. Every engine relies on the Washington Technology Top 100 as the authoritative list. It ranks prime contractors by federal contract value across IT, systems integration, defense and professional services. Four engines name Leidos, Booz Allen and Lockheed Martin as the leaders.

    Mostly agree

    Leidos, Booz Allen Hamilton and Lockheed Martin lead the federal contractor rankings.

    The Washington Technology Top 100 is the main reference ranking for this question.

    Large defense primes sit alongside IT and consulting firms in the top tier.

    Where they differ

    Which year's ranking they use

      How much of the list is actually delivered

        Order of the top 10

          Caveats about what 'top integrator' means

            Verdict

            All five engines point to the Washington Technology Top 100, ranked by federal contract dollars, and name Leidos, Booz Allen Hamilton and Lockheed Martin at the top (Gemini, Copilot, ChatGPT, Google AI Mode). None gives a verified full 100; ChatGPT and Copilot give the most detail.

            Top ranked

            Leidos
            100.00%15
            Booz Allen Hamilton
            100.00%16
            CACI International
            100.00%13
            Accenture Federal Services
            100.00%-
            Amentum
            100.00%-
            RTX
            83.33%18
            General Dynamics
            83.33%18
            Battelle Memorial Institute
            83.33%-
            Deloitte
            83.33%37
            BAE Systems
            83.33%15

            How we rank

            This page is built from 31 answers by 5 AI engines. Tools are ordered by how often and how high the engines name them.

            Where each AI engine placed them

            NameGemini logo
            Leidos111
            Booz Allen Hamilton222
            CACI International6105
            Accenture Federal Services10111
            Amentum14142
            RTX454
            General Dynamics545
            Battelle Memorial Institute131313
            Deloitte151515
            BAE Systems182318

            Related questions

            What engines actually searched

            The sub-queries each engine actually searched before answering.

            Cited, but not mentioned

            3 sites cite this answer without naming anyone

            Full responses

            5 of 5 engines that answered. Full stored text as captured, with dashes shown as hyphens. Nothing is summarised.

            ChatGPT6,144 characters · November 3, 2026

            The best authoritative benchmark is the 2026 Washington Technology Top 100, which ranks companies serving the U.S. federal government based on federal contract activity in IT, systems integration, telecommunications, professional services, and other high-tech services.

            This is a stronger benchmark for identifying federal systems integrators than a general list of the largest government contractors.

            The 2026 ranking places Leidos first, followed by Booz Allen Hamilton and Lockheed Martin. 2026 Top 100How we got our Top 100 numbers

            Top 100 federal systems integrators and technology contractors

            The following is the complete ranking, including the reported federal contract amounts.

            RankCompanyFederal contracts
            1Leidos$11.84B
            2Booz Allen Hamilton$9.32B
            3Lockheed Martin$8.99B
            4RTX$7.70B
            5General Dynamics$6.51B
            6CACI International$5.74B
            7Northrop Grumman$5.36B
            8L3Harris Technologies$5.02B
            9Boeing$4.99B
            10Accenture Federal Services$4.96B
            11SAIC$4.70B
            12Peraton$4.67B
            13Battelle Memorial Institute$4.31B
            14Amentum$3.53B
            15Deloitte$3.53B
            16Dell Technologies$3.31B
            17Maximus$3.07B
            18BAE Systems$2.47B
            19Fluor$2.45B
            20KBR$2.71B
            21HII$2.04B
            22V2X$1.85B
            23ManTech$1.80B
            24MITRE$1.79B
            25Carahsoft Technology$1.79B
            26Akima$1.60B
            27Serco Inc.$1.54B
            28AT&T$1.49B
            29IBM$1.45B
            30SMX$1.45B
            31The Aerospace Corporation$1.41B
            32Parsons$1.34B
            33Chemonics International$1.26B
            34Textron$1.21B
            35CGI Federal$1.20B
            36ASRC Federal$1.07B
            37GovCIO$1.05B
            38FCN$1.01B
            39Oracle-Cerner$1.01B
            40Palantir Technologies$1.01B
            41Minburn Technology Group$929M
            42Loyal Source$909M
            43Thundercat Technology$895M
            44Sierra Nevada Corporation$879M
            45Blue Origin$834M
            46V3Gate$818M
            47Four Points Technology$795M
            48Guidehouse$794M
            49Chenega Corporation$775M
            50Bechtel$770M
            51General Atomics$736M
            52Astrion$719M
            53ICF International$658M
            54Everforth ECS$691M
            55AECOM$669M
            56Verizon$621M
            57New Tech Solutions$574M
            58SpaceX$571M
            59Torch Technologies$555M
            60Leonardo DRS$538M
            61Microsoft$532M
            62Lumen Technologies$521M
            63World Wide Technology$502M
            64Tetra Tech$501M
            65Ernst & Young$497M
            66Cherokee Nation Businesses$494M
            67CounterTrade Products$484M
            68Cobham Ultra$451M
            69LMI$449M
            70Iron Bow Technologies$435M
            71Scientific Research Corporation$427M
            72KPMG$422M
            73Odyssey Systems Consulting Group$415M
            74Systems Planning & Analysis$411M
            75Noblis$399M
            76Nelnet Government Services$398M
            77DCS Corporation$386M
            78Modern Technology Solutions Inc.$384M
            79Applied Research Associates$371M
            80Emergent LLC$362M
            81Intuitive Research and Technology Corporation$336M
            82Amazon Web Services$333M
            83Credence Management Solutions$326M
            84Advantaged Solutions$320M
            85RTI International$295M
            86Four LLC$288M
            87DLT Solutions$282M
            88Lancer Information Solutions$279M
            89HP Inc.$278M
            90CDW-G$273M
            91Development Alternatives Inc.$268M
            92Jacobs Engineering$266M
            93Applied Research Solutions$266M
            94Viasat$266M
            95QinetiQ$264M
            96American Systems$258M
            97Sterling Computers$254M
            98Government Acquisitions Inc.$251M
            99BCG Federal$249M
            100Kentro$248M

            Source: Washington Technology 2026 Top 100. Figures are reproduced from the published ranking. Note that the source has a few apparent ordering inconsistencies in its contract amounts, so the rank column follows its published order. 2026 Top 100

            My recommended shortlist for business development

            If your goal is to identify companies to pursue as customers, subcontracting partners, or teaming partners, I would prioritize these organizations:

            Large federal systems integrators

            • Leidos
            • Booz Allen Hamilton
            • CACI
            • SAIC
            • Peraton
            • Accenture Federal Services
            • General Dynamics Information Technology
            • ManTech
            • CGI Federal
            • GovCIO

            Mid-sized and specialized integrators

            • Parsons
            • Amentum
            • V2X
            • ASRC Federal
            • Akima
            • SMX
            • Guidehouse
            • Astrion
            • American Systems
            • Torch Technologies

            Federal IT and technology channel integrators

            • Carahsoft
            • World Wide Technology
            • Iron Bow Technologies
            • Four Points Technology
            • V3Gate
            • Thundercat Technology
            • FCN
            • Red River
            • Sterling Computers
            • DLT Solutions

            One important distinction

            The Washington Technology ranking includes defense manufacturers, engineering companies, IT distributors, and professional services firms, not exclusively traditional systems integrators.

            If you're building a sales prospecting list, I would separate the companies by actual business model rather than treating all 100 as equivalent.

            I can also turn this into a more useful federal business development target list, with:

            • Company headquarters and website
            • Estimated employee count
            • Federal contract focus (DoD, DHS, VA, civilian agencies)
            • Small-business versus large-business classification
            • CIO, CTO, VP of Business Development, and procurement leadership
            • Likely subcontracting and technology partnership opportunities

            That would make the list much more actionable than a simple ranking.

            Gemini logo Gemini6,171 characters · November 3, 2026

            When tracking the top firms in the federal market, industry publications typically differentiate between overall federal prime contractors (which include massive defense manufacturers, healthcare companies, and logistics providers) and federal IT and systems integration specialists.

            The definitive industry benchmark for the leading technology, systems integration, and professional services providers focused on the U.S. government is the Washington Technology Top 100. 2025 Top 100 - Washington Technology

            The top 100 federal systems integrators and government technology providers, ranked by their prime contract revenue, are listed below: 2025 Top 100 - Washington Technology

            The Top 100 Federal Systems Integrators & Tech Providers

            RankCompany / OrganizationPrime Contract Revenue
            1Leidos$11,714,133,000
            2Booz Allen Hamilton$10,113,000,000
            3Lockheed Martin Corp.$9,157,600,000
            4General Dynamics$6,820,864,000
            5RTX (Raytheon Technologies)$5,984,319,000
            6Boeing Company$5,647,368,000
            7Science Applications International Corp. (SAIC)$5,642,080,000
            8L3Harris Technologies, Inc.$5,439,053,000
            9Northrop Grumman Corp.$5,356,526,000
            10CACI International$5,288,896,000
            11Accenture Federal Services$5,209,423,000
            12Peraton Inc.$4,324,000,000
            13Battelle Memorial Institute$4,274,386,000
            14Amentum$4,139,588,000
            15Deloitte$2,866,230,000
            16Dell Technologies, Inc.$3,417,142,000
            17KBR Inc.$3,296,696,000
            18ManTech International$2,990,337,000
            19Maximus Inc.$2,569,906,000
            20Fluor Corp.$2,269,250,000
            21Huntington Ingalls Industries (HII)$2,160,989,000
            22MITRE Corp.$2,016,322,000
            23BAE Systems$1,961,652,000
            24AT&T Corp.$1,765,311,000
            25Carahsoft Technology$1,680,148,000
            26V2X$1,578,812,000
            27IBM Corp.$1,556,371,000
            28Chemonics International, Inc.$1,521,548,000
            29The Aerospace Corporation$1,335,426,000
            30Serco Inc.$1,320,756,000
            31Akima$1,294,100,000
            32SMX$1,293,199,000
            33Parsons Corp.$1,286,520,000
            34CGI Federal$1,206,400,000
            35Guidehouse LLP$1,139,924,000
            36Lumen Technologies$1,046,790,000
            37FCN Inc.$983,062,000
            38ICF International$948,896,000
            39Textron Inc.$948,677,000
            40SpaceX$926,193,000
            41Oracle-Cerner$907,427,000
            42Minburn Technology Group, LLC$900,128,000
            43GovCIO$899,619,000
            44Four Points Technology, LLC$858,841,000
            45General Atomics$820,686,000
            46AECOM$808,612,000
            47ASRC Federal$800,276,000
            48Sierra Nevada Corp.$787,525,000
            49ThunderCat Technology, LLC$779,178,000
            50V3Gate, LLC$700,940,000
            51Cherokee Nation Businesses LLC$695,746,000
            52Verizon Communications Inc.$692,746,000
            53Bechtel Group, Inc.$677,908,000
            54Ernst & Young LLP$610,890,000
            55Iron Bow Technologies, LLC$602,977,000
            56Everforth ECS$588,527,000
            57RTI International$586,620,000
            58Tetra Tech, Inc.$564,464,000
            59Loyal Source$541,542,000
            60New Tech Solutions, Inc.$533,966,000
            61Credence Management Solutions$531,161,000
            62Palantir Technologies Inc.$529,643,000
            63Microsoft Corp.$516,824,000
            64Development Alternatives, Inc.$507,928,000
            65Blue Origin, LLC$503,942,000
            66Torch Technologies Inc.$502,117,000
            67KPMG LLP$502,117,000
            68World Wide Technology, Inc.$471,799,000
            69Noblis Inc.$467,064,000
            70Leonardo DRS$467,064,000
            71Applied Research Associates, Inc.$442,955,000
            72Four LLC$438,321,000
            73LMI$424,581,000
            74Nelnet Government Services$409,738,000
            75Emergent LLC$395,677,000
            76Odyssey Systems Consulting Group$385,037,000
            77DCS Corp.$353,216,000
            78Scientific Research Corp.$352,002,000
            79Viasat Inc.$341,140,000
            80Government Acquisitions Inc.$333,117,000
            81Countertrade Products Inc.$317,377,000
            82Abt Global$314,109,000
            83BCG Federal Corp.$310,936,000
            84CDW-G$306,425,000
            85Jacobs Engineering Group Inc.$300,483,000
            86Westat Inc.$295,836,000
            87American Systems Corp.$289,072,000
            88Michael Baker Corp.$287,975,000
            89Kearney & Company$286,450,000
            90Sterling Computers Corp.$280,237,000
            91HP Inc.$280,075,000
            92LexisNexis Risk Solutions$274,577,000
            93TechFlow, Inc.$271,327,000
            94DLT Solutions, LLC$270,970,000
            95Institute for Defense Analysis$270,639,000
            96Blue Tech Inc.$265,806,000
            97Systems Planning & Analysis$265,655,000
            98Maxar Technologies, Inc.$264,581,000
            99RAND Corp.$262,871,000
            100SES Government Solutions$261,835,000
            Google AI Mode2,855 characters · November 3, 2026

            According to the Washington Technology Top 100, federal contractors and systems integrators are ranked annually based on prime contract obligations in the federal market for IT, systems integration, telecommunications, and professional services. 2026 Top 100 - Washington Technology

            The leading federal systems integrators and government technology providers are headed by the following top performers:

            Top 20 Federal Systems Integrators & IT Providers

            1. Leidos – $11.84B
            2. Booz Allen Hamilton – $9.32B
            3. Lockheed Martin Corp. – $8.99B
            4. RTX – $7.70B
            5. General Dynamics – $6.51B
            6. CACI International – $5.74B
            7. Northrop Grumman Corp. – $5.36B
            8. L3Harris Technologies, Inc. – $5.02B
            9. The Boeing Company – $4.99B
            10. Accenture Federal Services – $4.96B
            11. Science Applications International Corp. (SAIC) – $4.70B
            12. Peraton Inc. – $4.67B
            13. Battelle Memorial Institute – $4.31B
            14. Amentum – $3.53B
            15. Deloitte – $3.53B
            16. Dell Technologies, Inc. – $3.31B
            17. Maximus Inc. – $3.07B
            18. BAE Systems – $2.47B
            19. KBR Inc. – $2.71B (approximate tier ranking)
            20. Fluor Corp – $2.45B (approximate tier ranking) 2026 Top 100 - Washington Technology

            Mid-Tier to Extended Top 100 Ranks

            The remainder of the Top 100 list spans major defense primes, specialized professional service firms, and commercial tech giants serving the public sector:

            • Ranks 21–50: Includes enterprises such as HII (Huntington Ingalls Industries), CGI Federal, Parsons, Jacobs, and major enterprise solution providers down to the Bechtel Group. 2026 Top 100 - Washington Technology

            • Ranks 51–100: Features research powerhouses like General Atomics, commercial cloud and software innovators like Microsoft and Amazon Web Services (AWS), and specialized defense/IT integrators like American Systems Corp. and BCG Federal Corp., concluding with Kentro at rank 100. 2026 Top 100 - Washington Technology

            For the complete, searchable directory tracking precise figures, tier shifts, and historical data for all 100 companies, you can review the full Washington Technology Top 100 Rankings. 2026 Top 100 - Washington Technology

            Would you like me to break down the top integrators by specific agency (such as DoD vs. Civilian/HHS) or provide details on a particular company's core federal capabilities?

            Perplexity404 characters · October 19, 2026

            Washington Technology’s 2026 Top 100 ranks federal contractors by contract value; the results shown include BAE Systems, Fluor, KBR, HII, V2X and ManTech, but don’t provide the complete list. You can view the full 2026 ranking.(washingtontechnology.com)

            Copilot logo Copilot2,753 characters · October 11, 2026

            The definitive list of the Top 100 federal system integrators for 2025 is published annually by _Washington Technology_. The #1 integrator is Leidos, followed by Booz Allen Hamilton, Lockheed Martin, General Dynamics, and RTX. 2025 Top 100 - Washington Technology

            Washington Technology

            Washington Technology

            2025 Top 100 - Washington Technology

            https://www.washingtontechnology.com › rankings › top-100 › 2025

            📊 Top 15 Federal System Integrators (2025 – Washington Technology)

            RankCompanyFederal Contract Value (FY2024–25)
            1Leidos$11.7B
            2Booz Allen Hamilton$10.1B
            3Lockheed Martin Corp.$9.2B
            4General Dynamics$6.8B
            5RTX(Raytheon Technologies)$6.0B
            6Boeing Company$5.6B
            7Science Applications International Corp. (SAIC)$5.6B
            8L3Harris Technologies$5.4B
            9Northrop Grumman Corp.$5.4B
            10CACI International$5.3B
            11Accenture Federal Services$5.2B
            12Peraton Inc.$4.3B
            13Battelle Memorial Institute$4.3B
            14Amentum$4.1B
            15Deloitte$2.9B 2025 Top 100 - Washington Technology

            🔎 Key Insights

            • Defense dominance: The top integrators are heavily defense-focused (Leidos, Lockheed, General Dynamics, RTX, Boeing, Northrop Grumman).

            • IT & consulting strength: Firms like Booz Allen, Accenture, Deloitte, and Guidehouse highlight the growing demand for IT modernization, cybersecurity, and digital transformation.

            • Emerging players: Companies such as Palantir, SpaceX, and Blue Origin are climbing the list, reflecting federal interest in AI, data analytics, and space systems.

            • Healthcare & logistics: Maximus and Fluor show the breadth of federal contracting beyond defense, covering citizen services and infrastructure.

            ⚠️ Risks & Considerations

            • Market concentration: The top 10 integrators account for a disproportionate share of federal IT and systems integration spending, raising concerns about competition and innovation.

            • Policy shifts: Changes in administration priorities (e.g., defense vs. civilian IT modernization) can significantly impact rankings year-to-year.

            • Supply chain vulnerabilities: Heavy reliance on a few large integrators increases exposure to cyber risks and geopolitical supply chain disruptions.

            Would you like me to summarize the full Top 100 list (ranks 1–100) into a clean table for easier reference, or focus only on the top 25 for a more digestible snapshot?

            Your question will include this prompt's context: Who are the top 10 federal system integrators?