NAICS Demand Lane

    All Other Professional, Scientific, and Technical Services — Contract Opportunities

    4,624 total opportunities (4,624 active) tied to NAICS 541990 across federal, state, local, and forecast sources.
    NAICS 541990Federal + SLED4.6K total
    Total Opportunities
    4.6K
    Across all indexed sources
    Active Estimate
    4.6K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 541990.

    AI Summary

    The National Oceanic and Atmospheric Administration intends to negotiate a sole source purchase order with South Dakota State University for atmospheric chemistry research services. This opportunity is not open for competitive proposals, as SDSU possesses unique expertise in proprietary algorithms essential for NOAA's …

    WA

    Posted Jun 3, 2026Due Jun 18, 2026PresolicitationNAICS 541990Sol: 145044-26-0015JRW
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    AI Summary

    The National Oceanic and Atmospheric Administration intends to negotiate a sole source contract with the Regents of the University of Colorado for drought planning research services. This contract is essential for addressing key programmatic gaps in drought communication and will run from August 1, 2026, to January 31,…

    WA

    Posted Jun 3, 2026Due Jun 18, 2026PresolicitationNAICS 541990Sol: 145044-26-0004JRW
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    AI Summary

    This opportunity is a Request for Quotation (RFQ) for correspondence management support services for the IHS Executive Secretariat. The services include editing, writing, action tasking, and records management. This acquisition is set-aside for Indian Small Business Economic Enterprises (ISBEE) and Indian Economic Ente…

    Posted Jun 3, 2026Due Jun 17, 2026Combined Synopsis/SolicitationNAICS 541990Buy Indian Set-Aside (specific to Department of Health and Human Services, Indian Health Services)Sol: 75P00126Q00019
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    AI Summary

    The Department of the Air Force is seeking information for the DAF Insider Threat Program focused on User Activity Monitoring (UAM). This is a Request for Information (RFI) only, aimed at gathering insights and capabilities related to this initiative.

    VA

    Posted Jun 3, 2026Due Jun 29, 2026Sources SoughtNAICS 541990Sol: FA714626UAM
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    AI Summary

    The Department of Defense is seeking proposals for a Cybersecurity Support Services Bridge Contract through a combined synopsis/solicitation. This opportunity is primarily focused on cybersecurity services and is not set aside for simplified acquisition procedures.

    VA

    Posted Jun 3, 2026Due Jun 5, 2026Combined Synopsis/SolicitationNAICS 5419908(a) Sole Source (FAR 19.8)Sol: HQ003426QE115
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    AI Summary

    The Department of Health and Human Services seeks a contractor to provide a complete electrophysiological recording system for the National Eye Institute. This system will enhance research capabilities by allowing simultaneous recording from large populations of neurons. The contractor will be responsible for delivery,…

    MD

    Posted Jun 2, 2026Due Jun 12, 2026PresolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 75N98026Q00504
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    AI Summary

    The Department of the Interior's National Park Service is seeking services for mural maintenance and color investigation at the Aquatic Park Bathhouse. This opportunity is set aside for small businesses and is classified under NAICS code 541990. Interested bidders should refer to the combined synopsis/solicitation for …

    CA

    Posted Jun 2, 2026Due Jun 18, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 140P8626Q0033
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    AI Summary

    The Department of the Interior, National Park Service, requires fire extinguisher inspection, testing, recharging, and replacement services for a five-year BPA ordering period. This solicitation is set aside for small businesses and is classified under NAICS code 541990. Interested bidders should prepare to meet the ou…

    WY

    Posted Jun 2, 2026Due Jun 23, 2026SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 140P1426Q0056
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    AI Summary

    The Department of State is seeking sources for support in combating human trafficking globally. This opportunity involves collaboration with interagency bodies and advisory councils to develop effective anti-trafficking strategies. Interested parties should be prepared to engage in diplomatic efforts and provide policy…

    DC

    Posted Jun 2, 2026Due Jun 20, 2026Sources SoughtNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: PR16018614
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    AI Summary

    The Department of Defense is seeking quotes for membership in the Open Group Future Airborne Capability Environment (FACE) Consortium. This is a sole source procurement, and offers must be submitted by June 5, 2026. Offerors must be authorized resellers for The Open Group and registered in the SAM database.

    MD

    Posted Jun 2, 2026Due Jun 5, 2026Combined Synopsis/SolicitationNAICS 541990Sol: N0042126Q1200
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    4,174
    sled
    90
    forecast
    360

    About NAICS 541990

    This industry comprises establishments primarily engaged in providing professional, scientific, and technical services not classified in other specific industries. These services include a variety of specialized consulting and advisory services.

    Read the full NAICS definition →

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