NAICS Demand Lane

    Other Scientific and Technical Consulting Services — Contract Opportunities

    3,427 total opportunities (3,427 active) tied to NAICS 541690 across federal, state, local, and forecast sources.
    NAICS 541690Federal + SLED3.4K total
    Total Opportunities
    3.4K
    Across all indexed sources
    Active Estimate
    3.4K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 541690.

    AI Summary

    The Department of Commerce is soliciting quotations for content development and maintenance services under NAICS code 541690. This opportunity is a Total Small Business Set-Aside and is being conducted as a Request for Quotations (RFQ). Interested parties should submit their quotations as specified in the solicitation.

    MD

    Posted Jul 14, 2026Due Jul 24, 2026SolicitationNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: 1333ND26QNB640305
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    AI Summary

    The Department of Veterans Affairs is seeking quotes for recurring maintenance services for negative pressure fans. This opportunity is set aside for Service-Disabled Veteran-Owned Small Businesses and is issued as an RFQ. The proposal due date has been extended to July 27, 2026, with additional information to be poste…

    CA

    Posted Jul 13, 2026Due Jul 28, 2026Combined Synopsis/SolicitationNAICS 541690Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C26226Q0698_0001
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    AI Summary

    The Department of Veterans Affairs is seeking proposals to generate Lockout Tagout procedures and programs. This opportunity is classified under NAICS code 541690 and is set aside for SDVOSBC. Interested bidders should refer to the attached solicitation package for detailed requirements.

    CA

    Posted Jul 13, 2026Due Jul 27, 2026Combined Synopsis/SolicitationNAICS 541690Service-Disabled Veteran-Owned Small Business Set AsideSol: 36C26126Q0817
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    AI Summary

    The Department of the Interior's National Park Service is soliciting proposals for the nomination of the Threatt Filling Station as a National Historic Landmark. This opportunity focuses on historic preservation and cultural resource management services. Interested bidders should prepare to submit their proposals by th…

    CO

    Posted Jul 13, 2026Due Jul 15, 2026SolicitationNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: 140P1226Q0033
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    AI Summary

    The Department of Health and Human Services is seeking proposals for clinical trial design related to pulmonary fibrosis. This presolicitation is aimed at gathering innovative approaches to enhance research methodologies. Interested parties should prepare to submit their proposals by the specified deadline.

    MD

    Posted Jul 12, 2026Due Jul 22, 2026PresolicitationNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: 75N98026Q00776
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    AI Summary

    The Department of Energy intends to award a sole source contract to the Atlantic Council of the United States for support in organizing the 7th Partnership for Transatlantic Energy Cooperation Ministerial and Business Forum. Interested parties may submit capability statements within ten days of this notice. The work wi…

    DC

    Posted Jul 10, 2026Due Jul 20, 2026Special NoticeNAICS 541690Sol: 89303026NIA000022
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    AI Summary

    The Defense Advanced Research Projects Agency (DARPA) is seeking contractors capable of providing Program Security Services through this Sources Sought notice. Interested parties must submit questions and responses to the Contracting Officer by July 24, 2026, via email. Please refer to the attached notice for further d…

    VA

    Posted Jul 10, 2026Due Jul 24, 2026Sources SoughtNAICS 541690Sol: HR001126QE005
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    AI Summary

    The Transportation Security Administration intends to award a sole-source contract for security identity management support to Identification Technology Partners, Inc. This contract will focus on technical development, operations, and maintenance of identity and biometric systems. Interested parties may express their i…

    VA

    Posted Jul 9, 2026Due Jul 16, 2026Special NoticeNAICS 541690
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    AI Summary

    The Transportation Security Administration intends to award a sole-source contract for credentialing management support to Identification Technology Partners, Inc. This contract will focus on technical expertise for credentials issued under the TSA's Security Threat Assessment. Interested parties may express their inte…

    VA

    Posted Jul 9, 2026Due Jul 16, 2026Special NoticeNAICS 541690
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    AI Summary

    The U.S. Geological Survey is seeking qualified businesses for updating the Klamath Falls river basin model (RBM10). This sources sought notice aims to gather information for planning purposes and does not constitute a request for proposals. Interested parties should demonstrate their expertise in environmental modelin…

    CA

    Posted Jul 9, 2026Due Jul 16, 2026Sources SoughtNAICS 541690Sol: 140G0326Q0159
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    1,951
    sled
    1,384
    forecast
    92

    About NAICS 541690

    This industry comprises establishments primarily engaged in providing consulting services in scientific and technical fields not classified elsewhere. These services include specialized consulting in areas such as environmental, agricultural, and other technical fields.

    Read the full NAICS definition →

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