Federal Contractor Index

    Seres Engineering & Services LLC

    UEI NBVMXMMBHYU3 CAGE 5YJA9 Active Charleston, SC

    Small Business · Data through June 12, 2026

    Obligations, FY2025
    $8.3M
    Total obligations, FY2023–FY2025
    $41.2M
    Contract actions, FY2023–FY2025
    93
    Top agency
    Department of Defense

    Obligations by fiscal year

    FY2021: $16,653,505FY2022: $18,037,430FY2023: $18,979,292FY2024: $13,910,318FY2025: $8,334,549FY2026: $4,076,870
    Fiscal yearObligations
    FY2026 (partial year)$4.1M
    FY2025$8.3M
    FY2024$13.9M
    FY2023$19.0M
    FY2022$18.0M
    FY2021$16.7M

    Agencies, NAICS, and PSC codes

    Top awarding agencies
    AgencyObligationsShare
    Department of Defense$76.4M95.5%
    Environmental Protection Agency$2.8M3.5%
    General Services Administration$1.1M1.4%
    Department of Agriculture$545K0.7%
    Department of the Interior$326K0.4%
    NAICS codeObligationsShare
    561210 — Facilities Support Services$32.6M40.7%
    541620 — Environmental Consulting Services$16.8M21.1%
    562910 — Remediation Services$12.4M15.5%
    541330 — Engineering Services$7.9M9.9%
    562112 — Hazardous Waste Collection$7.6M9.5%
    PSC codeObligationsShare
    S216 — Housekeeping- Facilities Operations Support$32.3M40.4%
    F999 — Other Environmental Services$22.0M27.5%
    R425 — Support- Professional: Engineering/technical$8.6M10.7%
    S222 — Housekeeping- Waste Treatment/storage$4.5M5.6%
    F108 — Environmental Systems Protection- Environmental Remediation$2.6M3.3%

    Contract type and set-aside mix

    Contract pricing typeObligationsShare
    Firm Fixed Price$79.7M99.6%
    Cost No Fee$325K0.4%
    Set-aside typeObligationsShare
    8a Competed$36.8M46%
    Not Specified$27.4M34.3%
    8(a) Sole Source$13.8M17.2%
    No Set Aside Used.$1.9M2.3%
    Small Business Set Aside - Total$92K0.1%

    Place of performance by state

    StateObligationsShare
    SC$38.5M48.1%
    GA$22.5M28.1%
    NC$9.8M12.3%
    MA$3.6M4.5%
    FL$1.3M1.7%
    VA$1.2M1.5%
    WI$751K0.9%
    KY$639K0.8%
    MD$623K0.8%
    OH$272K0.3%

    Largest contract actions on file

    AwardAgencyPeriod of performanceObligationRecord
    W9124C21C0002 · NAICS 561210Department of DefenseOctober 16, 2020 – October 16, 2025$6.1MView on USAspending
    W9124C21C0002 · NAICS 561210Department of DefenseOctober 16, 2020 – October 16, 2023$5.9MView on USAspending
    W9124C21C0002 · NAICS 561210Department of DefenseOctober 16, 2020 – October 16, 2024$5.9MView on USAspending
    W9124C21C0002 · NAICS 561210Department of DefenseOctober 16, 2020 – October 16, 2022$5.8MView on USAspending
    W9124C21C0002 · NAICS 561210Department of DefenseOctober 16, 2020 – October 16, 2021$5.8MView on USAspending
    W912WJ22C0016 · NAICS 541620Department of DefenseSeptember 16, 2022 – January 16, 2026$3.5MView on USAspending
    W912HN23F1027 · NAICS 541330Department of DefenseOctober 2, 2023 – October 1, 2024$3.4MView on USAspending
    W9124C21C0002 · NAICS 561210Department of DefenseOctober 16, 2020 – April 16, 2026$3.0MView on USAspending
    FA857124F0057 · NAICS 541620Department of DefenseMay 24, 2024 – May 23, 2025$2.3MView on USAspending
    FA857123F0034 · NAICS 541620Department of DefenseMay 24, 2023 – May 23, 2024$2.2MView on USAspending

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    What the numbers show

    96% of this contractor's obligations on file ($76.4M of $80.0M) came from a single agency, Department of Defense.

    63% of obligations on file ($50.7M) used a small-business set-aside; the rest carried no set-aside or an unspecified type.

    Obligations decreased from $13.9M in FY2024 to $8.3M 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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