Federal Contractor Index

    Amentum Services, INC.

    UEI QEMLRQA7PLG4 CAGE 5W3V7 Active Chantilly, VA

    Other Than Small Business · Data through September 4, 2026

    Obligations, FY2025
    $3.56B
    Total obligations, FY2023–FY2025
    $9.90B
    Contract actions, FY2023–FY2025
    1,094
    Top agency
    Department of Defense

    Obligations by fiscal year

    FY2021: $1,371,692,688FY2022: $1,638,644,260FY2023: $2,509,438,410FY2024: $3,834,626,378FY2025: $3,560,650,890FY2026: $2,756,033,668
    Fiscal yearObligations
    FY2026 (partial year)$2.76B
    FY2025$3.56B
    FY2024$3.83B
    FY2023$2.51B
    FY2022$1.64B
    FY2021$1.37B

    Agencies, NAICS, and PSC codes

    Top awarding agencies
    AgencyObligationsShare
    Department of Defense$12.71B81.1%
    Department of Homeland Security$1.45B9.3%
    General Services Administration$496.4M3.2%
    National Aeronautics and Space Administration$424.0M2.7%
    Department of the Treasury$374.7M2.4%
    NAICS codeObligationsShare
    488190 — Other Support Activities for Air Transportation$5.02B32.1%
    561210 — Facilities Support Services$3.35B21.4%
    541330 — Engineering Services$2.73B17.4%
    811111 — General Automotive Repair$715.8M4.6%
    336411 — Aircraft Manufacturing$673.7M4.3%
    PSC codeObligationsShare
    J015 — Maint/repair/rebuild of Equipment- Aircraft and Airframe Structural Components$5.07B32.3%
    R706 — Support- Management: Logistics Support$1.84B11.7%
    R425 — Support- Professional: Engineering/technical$1.52B9.7%
    R499 — Support- Professional: Other$1.06B6.8%
    S216 — Housekeeping- Facilities Operations Support$662.3M4.2%

    Contract type and set-aside mix

    Contract pricing typeObligationsShare
    Firm Fixed Price$7.50B47.8%
    Cost Plus Fixed Fee$6.01B38.4%
    Cost Plus Incentive Fee$792.8M5.1%
    Cost Plus Award Fee$675.8M4.3%
    Time and Materials$390.4M2.5%
    Cost No Fee$120.4M0.8%
    Labor Hours$104.5M0.7%
    Fixed Price Level of Effort$53.7M0.3%
    Order Dependent (idv Allows Pricing Arrangement to Be Determined Separately for Each Order)$21.5M0.1%
    Fixed Price Award Fee$2.2M0%
    Fixed Price Incentive$899K0%
    Fixed Price With Economic Price Adjustment$636K0%
    Set-aside typeObligationsShare
    Not Specified$8.84B56.4%
    No Set Aside Used.$6.84B43.6%
    Small Business Set Aside - Partial-$9.4M-0.1%

    Place of performance by state

    StateObligationsShare
    VA$3.55B22.6%
    Not specified$2.95B18.8%
    TX$2.32B14.8%
    MD$1.64B10.5%
    SC$888.9M5.7%
    DC$566.0M3.6%
    OK$447.2M2.9%
    NV$423.7M2.7%
    IN$413.8M2.6%
    FL$409.0M2.6%

    Largest contract actions on file

    AwardAgencyPeriod of performanceObligationRecord
    70CDCR26C00000016 · NAICS 561612Department of Homeland SecurityMarch 13, 2026 – September 30, 2026$452.9MView on USAspending
    N6523617F3083 · NAICS 541330Department of DefenseJuly 20, 2017 – July 20, 2024$349.1MView on USAspending
    N6523617F3083 · NAICS 541330Department of DefenseJuly 20, 2017 – July 20, 2024$230.0MView on USAspending
    FA805123F0023 · NAICS 561210Department of DefenseJune 6, 2023 – October 25, 2025$177.2MView on USAspending
    W911RQ23F0020 · NAICS 811111Department of DefenseJanuary 16, 2023 – January 15, 2025$118.2MView on USAspending
    W911RQ23F0020 · NAICS 811111Department of DefenseJanuary 16, 2023 – February 15, 2026$117.3MView on USAspending
    70SBUR23C00000009 · NAICS 541513Department of Homeland SecuritySeptember 29, 2023 – June 28, 2027$116.2MView on USAspending
    W56HZV19F0508 · NAICS 811111Department of DefenseAugust 14, 2019 – January 15, 2022$100.3MView on USAspending
    W56HZV19F0508 · NAICS 811111Department of DefenseAugust 14, 2019 – January 15, 2023$92.3MView on USAspending
    W56HZV23F0077 · NAICS 811111Department of DefenseDecember 5, 2022 – December 5, 2025$79.1MView on USAspending

    Parent company

    Amentum Holdings INC. (UEI TU4KCXMM9AP6)

    Other UEIs under this parent

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    What the numbers show

    81% of this contractor's obligations on file ($12.71B of $15.67B) came from a single agency, Department of Defense.

    No transaction in this record used a small-business set-aside; all obligations were awarded with no set-aside or an unspecified type.

    Obligations decreased from $3.83B in FY2024 to $3.56B in FY2025, the last closed fiscal year.

    Source: USAspending.gov, U.S. Department of the Treasury. Contract transactions FY2021–FY2026, downloaded 2026-09-18. Figures are net obligations and can include de-obligations. Department of Defense data is published with a 90-day delay. View this contractor's largest contract on USAspending.gov.

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