NAICS Demand Lane

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

    4,733 total opportunities (4,733 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

    This opportunity involves a non-personal services purchase order for assessing a dual-platform approach to roadway data collection using 3D LiDAR and smartphone-based platforms. The goal is to enhance safety and operational efficiency of selected roadway facilities. Interested vendors should refer to the solicitation d…

    DC

    Posted Aug 5, 2026Due Aug 19, 2026SolicitationNAICS 541990Sol: 693JJ326Q000027
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    AI Summary

    The Department of Veterans Affairs is seeking proposals for fire alarm system inspection, testing, maintenance, and certification services at the Bedford VA Medical Center. The response due date has been extended to August 24, 2026. This opportunity is set aside for Service-Disabled Veteran-Owned Small Businesses (SDVO…

    ME

    Posted Aug 5, 2026Due Aug 24, 2026Combined Synopsis/SolicitationNAICS 541990Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C24126Q0613_0001
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    AI Summary

    The U.S. Geological Survey is seeking qualified businesses to provide laboratory services for tree ring samples. This sources sought announcement is for market research purposes only and does not guarantee a contract. Interested parties should submit their capabilities via email by August 12, 2026.

    CA

    Posted Aug 5, 2026Due Aug 13, 2026Sources SoughtNAICS 541990Sol: 140G0326Q0149
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    AI Summary

    The Army National Guard intends to award a sole source bridge contract to Valiant Integrated Services LLC for the Mission Command Training Support Program. This contract will ensure the continuation of mission command training services at six training complexes, commencing on 22 October 2025. Interested firms must resp…

    FL

    Posted Aug 5, 2026Due Aug 20, 2026Sources SoughtNAICS 541990Sol: ARNGMCTSP
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    AI Summary

    The U.S. Department of Transportation is seeking contractor support for macroeconomic modeling to analyze the impacts of highway investments. This opportunity is a Request for Quotation (RFQ) under FAR Part 12 and Part 13, with offers due by August 13, 2026. Interested parties should provide a firm fixed price quotatio…

    MA

    Posted Aug 5, 2026Due Aug 13, 2026Combined Synopsis/SolicitationNAICS 541990Sol: 6913G626Q300045
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    AI Summary

    The U.S. Department of State's Bureau of Overseas Buildings Operations seeks proposals for Event Data Recorders for overseas facilities. This is a 100% Small Business Set-Aside opportunity, with an IDIQ contract planned for one Base Year and a Six Month Option Period. Proposals are due by September 9, 2026, and questio…

    DC

    Posted Aug 5, 2026Due Sep 9, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 19AQMM26R0390
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    AI Summary

    The Nuclear Regulatory Commission seeks support for the Radiological Assessment System for Consequence Analysis (RASCAL) and related emergency response tools. This opportunity involves software support and maintenance for the NRC Operations Center and the Radiation Protection Computer Code Analysis and Maintenance Prog…

    MD

    Posted Aug 4, 2026Due Aug 24, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 31310026R0016
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    AI Summary

    The USPS OIG is seeking information on analyzing digital channels through a Request for Information (RFI). Interested parties should refer to the attached RFI Instructions and Statement of Work (SOW) for detailed requirements.

    PA

    Posted Aug 4, 2026Due Aug 14, 2026Sources SoughtNAICS 541990Sol: 6HQOIG-26-A-0008
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    AI Summary

    The U.S. Geological Survey plans to award a non-competitive purchase order to Attagene, Inc. for multi-endpoint gene regulatory assays to analyze groundwater samples from petroleum hydrocarbon contaminant plumes. The contract will be firm, fixed-price with a base year and four option years, focusing on approximately 10…

    VA

    Posted Aug 4, 2026Due Aug 11, 2026SolicitationNAICS 541990Sol: 140G0126Q0226
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    AI Summary

    The Federal Highway Administration is conducting market research through a Sources Sought notice to identify potential sources for the National Performance Management Research Data Set (NPMRDS). This opportunity seeks qualified firms capable of providing travel time data and technical support for transportation perform…

    DC

    Posted Aug 4, 2026Due Aug 5, 2026Sources SoughtNAICS 541990Sol: 693JJ3-26-RFI-0001
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    4,307
    sled
    115
    forecast
    311

    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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