NAICS Demand Lane

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

    4,546 total opportunities (4,546 active) tied to NAICS 541990 across federal, state, local, and forecast sources.
    NAICS 541990Federal + SLED4.5K total
    Total Opportunities
    4.5K
    Across all indexed sources
    Active Estimate
    4.5K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 541990.

    AI Summary

    The Department of Commerce is seeking Technology Evaluations Support Services for the Technology Test and Evaluation Division. This is a combined synopsis/solicitation under NAICS code 541990, set aside for small businesses. The maximum contract value is $7.4 million, with the final solicitation expected around April 3…

    MD

    Posted May 13, 2026Due May 26, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 1333ND26QNB770088
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    AI Summary

    This opportunity involves providing Field Service Representative (FSR) support for electronic warfare radio frequency systems for the Department of Defense. FSRs will deliver technical support and training to end users, traveling to various locations both within and outside the continental United States. The closing da…

    IN

    Posted May 13, 2026Due May 22, 2026SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: N0016426RWQ93
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    AI Summary

    The Department of Defense is seeking a contractor to provide Sexual Assault Forensic Exams and administrative support at Travis Air Force Base, CA. This service requires a qualified provider with 24/7 on-call capability within 40 miles of the base. The government intends to issue a Request for Quotation and award a fir…

    CA

    Posted May 13, 2026Due May 28, 2026PresolicitationNAICS 541990Sol: FA442726QZS045
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    AI Summary

    The Department of the Interior, Bureau of Reclamation, is seeking proposals for fire extinguisher and CO2 services in the Northern California Area. This opportunity is categorized under NAICS code 541990 and is a combined synopsis/solicitation. Interested bidders should prepare to submit their proposals by the specifie…

    CA

    Posted May 13, 2026Due May 27, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 140R2026Q0057
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    AI Summary

    The National Institute of Standards and Technology intends to negotiate a sole-source contract with Schwarz Forensic Enterprises, INC. for Latent Fingerprint Ground Truth Determination Support Services. This service is critical for evaluating automated identification algorithm error rates using sensitive sequestered da…

    Posted May 13, 2026Due May 29, 2026Special NoticeNAICS 541990Sol: NIST-NOI-26-01690
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    AI Summary

    The Defense Health Agency intends to negotiate a sole source contract with ECRI for medical logistics authoritative data exchange and database subscription services. This includes data standardization, equipment management, and various analytical tools to enhance procurement and recall processes. The opportunity is set…

    Posted May 13, 2026Due May 28, 2026Special NoticeNAICS 541990Sol: PANDHA-25-P-0000-017880
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    AI Summary

    The USDA FPAC Office plans to award a sole-source contract to the American Society for Testing and Materials for the Compass Protal Product. This product is uniquely available from the identified source due to proprietary rights and compatibility requirements.

    CO

    Posted May 13, 2026Due May 28, 2026Special NoticeNAICS 541990Sol: 12314426C0014
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    AI Summary

    The GSA is seeking proposals for the OASIS+ HUBZone Small Business Set-Aside, a continuously open solicitation for integrated services. Offerors must register in SAM.gov and submit proposals through the OASIS+ Symphony Portal. The program supports rolling admissions and allows existing awardees to compete for additiona…

    DC

    Posted May 12, 2026Due Jan 11, 2027SolicitationNAICS 541990Historically Underutilized Business (HUBZone) Set-Aside (FAR 19.13)Sol: 47QRCA23R0003-P2
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    AI Summary

    The GSA is issuing a continuously open solicitation for the OASIS+ Women-Owned Small Business Set-Aside. This opportunity allows qualified contractors to submit proposals for various domains. Offerors must register in SAM.gov and submit proposals through the OASIS+ Symphony Portal. The solicitation includes multiple at…

    DC

    Posted May 12, 2026Due Jan 11, 2027SolicitationNAICS 541990SBA Certified Women-Owned Small Business (WOSB) Program Set-Aside (FAR 19.15)Sol: 47QRCA23R0005-P2
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    AI Summary

    The GSA is issuing a continuously open solicitation for the OASIS+ SDVOSB Set-Aside, allowing service-disabled veteran-owned small businesses to submit proposals for various domains. Offerors must register in SAM.gov and submit proposals through the OASIS+ Symphony Portal. The solicitation includes multiple attachments…

    DC

    Posted May 12, 2026Due Jan 11, 2027SolicitationNAICS 541990Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 47QRCA23R0004-P2
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    4,106
    sled
    83
    forecast
    357

    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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