Federal Contractor Index

    Westat, INC.

    UEI NVUWAFWQ57S5 CAGE 1D075 Active Rockville, MD

    Other Than Small Business · Data through September 2, 2026

    Obligations, FY2025
    $197.8M
    Total obligations, FY2023–FY2025
    $900.3M
    Contract actions, FY2023–FY2025
    392
    Top agency
    Department of Health and Human Services

    Obligations by fiscal year

    FY2021: $356,407,138FY2022: $383,295,951FY2023: $312,169,668FY2024: $390,310,323FY2025: $197,830,407FY2026: $251,665,320
    Fiscal yearObligations
    FY2026 (partial year)$251.7M
    FY2025$197.8M
    FY2024$390.3M
    FY2023$312.2M
    FY2022$383.3M
    FY2021$356.4M

    Agencies, NAICS, and PSC codes

    Top awarding agencies
    AgencyObligationsShare
    Department of Health and Human Services$1.31B69.1%
    Department of Education$443.5M23.4%
    Department of Transportation$35.3M1.9%
    National Science Foundation$22.8M1.2%
    Department of the Interior$15.9M0.8%
    NAICS codeObligationsShare
    541720 — Research and Development in the Social Sciences and Humanities$460.9M24.4%
    541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$330.6M17.5%
    541611 — Administrative Management and General Management Consulting Services$258.1M13.6%
    541990 — All Other Professional, Scientific, and Technical Services$206.6M10.9%
    541712 — Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)$198.5M10.5%
    PSC codeObligationsShare
    R499 — Support- Professional: Other$490.6M25.9%
    AN11 — Health R&D Services; Health Care Services; Basic Research$375.8M19.9%
    R422 — Support- Professional: Market Research/public Opinion$299.6M15.8%
    AN13 — Health R&D Services; Health Care Services; Experimental Development$107.1M5.7%
    B506 — Special Studies/analysis- Data (other Than Scientific)$103.8M5.5%

    Contract type and set-aside mix

    Contract pricing typeObligationsShare
    Cost Plus Fixed Fee$848.3M44.8%
    Cost Plus Award Fee$392.1M20.7%
    Firm Fixed Price$339.9M18%
    Cost Plus Incentive Fee$180.0M9.5%
    Time and Materials$124.6M6.6%
    Labor Hours$5.3M0.3%
    Fixed Price Level of Effort$1.5M0.1%
    Order Dependent (idv Allows Pricing Arrangement to Be Determined Separately for Each Order)$17K0%
    Cost No Fee-$57K0%
    Set-aside typeObligationsShare
    Not Specified$1.01B53.6%
    No Set Aside Used.$878.4M46.4%

    Place of performance by state

    StateObligationsShare
    MD$1.60B84.3%
    DC$285.6M15.1%
    GA$6.4M0.3%
    WV$2.7M0.1%
    NJ$1.0M0.1%
    CA$396K0%
    CO$200K0%
    Not specified$142K0%
    VA-$413K0%

    Largest contract actions on file

    AwardAgencyPeriod of performanceObligationRecord
    HHSN271201600001C · NAICS 541712Department of Health and Human ServicesApril 1, 2016 – November 30, 2025$90.2MView on USAspending
    HHSN271201600001C · NAICS 541712Department of Health and Human ServicesApril 1, 2016 – November 30, 2026$76.0MView on USAspending
    HHSN271201600001C · NAICS 541712Department of Health and Human ServicesApril 1, 2016 – November 30, 2028$50.3MView on USAspending
    HHSN271201600001C · NAICS 541712Department of Health and Human ServicesApril 1, 2016 – November 30, 2027$49.2MView on USAspending
    75N95024C00003 · NAICS 541715Department of Health and Human ServicesFebruary 1, 2024 – November 30, 2030$47.8MView on USAspending
    91990025C0008 · NAICS 541720Department of EducationDecember 6, 2024 – December 5, 2026$47.0MView on USAspending
    75Q80120F32001 · NAICS 518210Department of Health and Human ServicesJuly 13, 2020 – November 30, 2023$37.3MView on USAspending
    91990019C0047 · NAICS 541720Department of EducationJuly 1, 2019 – June 30, 2024$30.9MView on USAspending
    75N95024C00003 · NAICS 541715Department of Health and Human ServicesFebruary 1, 2024 – November 30, 2029$29.9MView on USAspending
    91990019C0047 · NAICS 541720Department of EducationJuly 1, 2019 – June 30, 2024$29.9MView on USAspending

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    What the numbers show

    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 $390.3M in FY2024 to $197.8M 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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