Federal Contractor Index

    Mandex INC

    UEI VKM2EJNZJ367 CAGE 3Z682 Active Fairfax, VA

    Small Business · Data through September 21, 2026

    Obligations, FY2026
    $14.8M
    Total obligations, FY2024–FY2026
    $55.8M
    Contract actions, FY2024–FY2026
    36
    Top agency
    Department of Defense

    Obligations by fiscal year

    FY2021: $26,565,566FY2022: $28,955,677FY2023: $19,762,032FY2024: $20,490,725FY2025: $20,450,556FY2026: $14,815,032
    Fiscal yearObligations
    FY2026$14.8M
    FY2025$20.5M
    FY2024$20.5M
    FY2023$19.8M
    FY2022$29.0M
    FY2021$26.6M

    Agencies, NAICS, and PSC codes

    Top awarding agencies
    AgencyObligationsShare
    Department of Defense$131.0M100%
    General Services Administration$5K0%
    National Aeronautics and Space Administration$00%
    NAICS codeObligationsShare
    541330 — Engineering Services$129.6M98.9%
    561621 — Security Systems Services (except Locksmiths)$1.1M0.8%
    238210 — Electrical Contractors and Other Wiring Installation Contractors$277K0.2%
    336611 — Ship Building and Repairing$5K0%
    541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$5000%
    PSC codeObligationsShare
    R425 — Support- Professional: Engineering/technical$61.4M46.9%
    J058 — Maint/repair/rebuild of Equipment- Communication, Detection, and Coherent Radiation Equipment$51.4M39.2%
    D318 — It and Telecom- Integrated Hardware/software/services Solutions, Predominantly Services$13.6M10.3%
    J063 — Maint/repair/rebuild of Equipment- Alarm, Signal, and Security Detection Systems$2.4M1.9%
    6350 — Miscellaneous Alarm, Signal, and Security Detection Systems$1.5M1.2%

    Contract type and set-aside mix

    Contract pricing typeObligationsShare
    Cost Plus Fixed Fee$127.8M97.5%
    Firm Fixed Price$3.3M2.5%
    Order Dependent (idv Allows Pricing Arrangement to Be Determined Separately for Each Order)$5K0%
    Set-aside typeObligationsShare
    Not Specified$127.7M97.4%
    No Set Aside Used.$2.1M1.6%
    Small Business Set Aside - Total$1.2M1%
    Service Disabled Veteran Owned Small Business Set-Aside$3K0%

    Place of performance by state

    StateObligationsShare
    VA$103.9M79.3%
    SC$23.9M18.3%
    FL$2.2M1.7%
    RI$749K0.6%
    CT$253K0.2%
    PA$41K0%
    Not specified$5K0%
    AL$5000%

    Largest contract actions on file

    AwardAgencyPeriod of performanceObligationRecord
    N6523624F3007 · NAICS 541330Department of DefenseDecember 6, 2023 – December 5, 2026$11.6MView on USAspending
    N6523624F3007 · NAICS 541330Department of DefenseDecember 6, 2023 – December 5, 2025$9.6MView on USAspending
    N6523624F3007 · NAICS 541330Department of DefenseDecember 6, 2023 – December 5, 2024$7.8MView on USAspending
    N6523624F3007 · NAICS 541330Department of DefenseDecember 6, 2023 – December 5, 2025$7.0MView on USAspending
    N6523618F3125 · NAICS 541330Department of DefenseSeptember 14, 2018 – September 13, 2023$6.9MView on USAspending
    N6523618F3125 · NAICS 541330Department of DefenseSeptember 14, 2018 – September 13, 2023$6.5MView on USAspending
    N6523624F3007 · NAICS 541330Department of DefenseDecember 6, 2023 – December 5, 2024$6.0MView on USAspending
    N6523618F3125 · NAICS 541330Department of DefenseSeptember 14, 2018 – September 13, 2022$5.9MView on USAspending
    N6523618F3125 · NAICS 541330Department of DefenseSeptember 14, 2018 – September 29, 2021$5.7MView on USAspending
    N6523618F3125 · NAICS 541330Department of DefenseSeptember 14, 2018 – September 13, 2022$4.7MView on USAspending

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    What the numbers show

    100% of this contractor's obligations on file ($131.0M of $131.0M) came from a single agency, Department of Defense.

    1% of obligations on file ($1.2M) used a small-business set-aside; the rest carried no set-aside or an unspecified type.

    Obligations decreased from $20.5M in FY2025 to $14.8M in FY2026, the last closed fiscal year.

    Source: USAspending.gov, U.S. Department of the Treasury. Contract transactions FY2021–FY2026, downloaded 2026-10-21. 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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