NAICS Demand Lane

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

    4,668 total opportunities (4,668 active) tied to NAICS 541990 across federal, state, local, and forecast sources.
    NAICS 541990Federal + SLED4.7K total
    Total Opportunities
    4.7K
    Across all indexed sources
    Active Estimate
    4.7K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 541990.

    AI Summary

    The Department of Labor is seeking information from potential vendors for current monthly wireless and wireline telecommunications service plan pricing. This RFI aims to gather detailed data for a year from households regarding their telecommunications purchases, which is crucial for the Bureau of Labor Statistics' ind…

    DC

    Posted Jun 16, 2026Due Jun 29, 2026Sources SoughtNAICS 541990Sol: RFIOAA-26-00385
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    AI Summary

    The National Park Service requires fire extinguisher inspection, testing, recharging, and replacement services under a 5-year BPA. This solicitation addresses vendor questions and is set aside for small businesses. Interested bidders should prepare to meet the outlined service requirements.

    WY

    Posted Jun 16, 2026Due Jun 26, 2026SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 140P1426Q0056
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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 includes a combined synopsis/solicitation. Interested bidders should refer to the attached site visit notes and s…

    CA

    Posted Jun 16, 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 Veterans Affairs is seeking sources for medical gas maintenance service and inspection. Interested parties should refer to the attached Performance Work Statement (PWS) for detailed requirements. This opportunity is set aside for Service-Disabled Veteran-Owned Small Businesses (SDVOSBC).

    KS

    Posted Jun 16, 2026Due Jul 7, 2026Sources SoughtNAICS 541990Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C25526Q0384
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    AI Summary

    The Department of the Interior is soliciting proposals for Science and Technical Support Services in the Mid-Continent Region. This competitive 8(a) set-aside opportunity requires registration in SAM. The solicitation is governed by FAR Part 12 and Part 15, focusing on the evaluation and award process.

    CO

    Posted Jun 16, 2026Due Jul 27, 2026SolicitationNAICS 5419908(a) Set-Aside (FAR 19.8)Sol: 140G0226R0003
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    AI Summary

    This opportunity involves a request for quotation (RFQ) amendment for fire extinguisher and hood inspection services for the Department of Veterans Affairs. The amendment includes scheduling a site visit, extending the solicitation period, and adjusting the statement of work. Interested bidders should review the attach…

    MN

    Posted Jun 15, 2026Due Jun 30, 2026Combined Synopsis/SolicitationNAICS 541990Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C26326Q0772
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    AI Summary

    The Department of Veterans Affairs seeks responses for Good Clinical Practice Clinical Research Quality Associate Monitoring Services. This Sources Sought Notice is for information and planning purposes only, with no quotes being accepted at this time. Interested parties must provide their capabilities and relevant inf…

    PA

    Posted Jun 15, 2026Due Jun 30, 2026Sources SoughtNAICS 541990Sol: 36C24E26Q0050
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    AI Summary

    The Library of Congress is soliciting proposals for Electronic Resources through the FEDLINK program. This opportunity will lead to multiple-award IDIQ contracts with a base period of 12 months and four option periods. Proposals are due by June 10, 2026, and interested vendors should monitor SAM.gov for updates.

    DC

    Posted Jun 15, 2026Due Jun 17, 2026SolicitationNAICS 541990No Set aside usedSol: LCFDL26R0018
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    AI Summary

    The Department of Health and Human Services is seeking contractors for a Supplemental Medical Review Contract. This opportunity involves performing post payment medical reviews and related activities to support initiatives within the Center for Program Integrity. Interested parties should respond to this Sources Sought…

    MD

    Posted Jun 15, 2026Due Jun 25, 2026Sources SoughtNAICS 541990Sol: 270048
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    AI Summary

    The NOAA intends to award a sole source contract to the State of Alaska Department of Fish and Game for Recreational Quota Entry Halibut Stamps Data Validation Services. This service is essential for tracking the use of halibut stamps and requires collaboration with NOAA Fisheries. The contract will cover one base year…

    Posted Jun 12, 2026Due Jun 29, 2026Special NoticeNAICS 541990Sol: FD-2026-392
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    4,213
    sled
    95
    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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