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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /5419

    NAICS Demand Lane

    Other Professional, Scientific, and Technical Services, Contract Opportunities

    6,705 total opportunities (6,705 active) tied to NAICS 5419 across federal, state, local, and forecast sources.
    NAICS 5419Federal + SLED6.7K total
    View NAICS definition →
    Total Opportunities
    6.7K
    Across all indexed sources
    Active Estimate
    6.7K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 5419.

    DEPT OF DEFENSE

    TRAINING INSTRUCTOR OPERATOR SERVICES SUPPORT II

    Active

    AI Summary

    The U.S. Army is soliciting proposals for the Training Instructor Operator Services Support II (TRIOSS II) to provide continuous I/O support for military training centers. This contract includes a base period and four option years. Proposals are due by November 9, 2026, and oral presentations will be scheduled for comp…

    FL

    Posted Oct 9, 2026Due Nov 9, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: W900KK-27-R-A0003
    View details→

    DEPT OF DEFENSE

    HOUSING SUPPORT SERVICES - POGGIO RENATICO AREA

    Active

    AI Summary

    The Department of Defense, specifically the Department of the Army, is seeking housing support services in the Poggio Renatico area. This opportunity is a combined synopsis/solicitation, and interested bidders should refer to the attached Amendment 1 for further details.

    AE

    Posted Oct 9, 2026Due Oct 13, 2026Combined Synopsis/SolicitationNAICS 541930Sol: W912PF27QA003
    View details→

    DEPT OF DEFENSE

    711TH HPW MISSION SUPPORT SERVICES MAC IDIQ

    Active

    AI Summary

    The Air Force Research Laboratory is seeking proposals for the 711th Mission Support Services MAC IDIQ contract, with a maximum value of $505 million. This opportunity is set aside for 8(a) participants and will utilize the RFP process. The contract will have a five-year ordering period and a six-year performance perio…

    OH

    Posted Oct 9, 2026Due Oct 22, 2026Combined Synopsis/SolicitationNAICS 5419908(a) Set-Aside (FAR 19.8)Sol: FA239626RB008
    View details→

    DEPT OF DEFENSE

    COMBINED SYNOPSIS/SOLICITATION FOR COMMERCIAL ITEMS AGILE PROFESSIONAL SERVICES ("APS”) DEPARTMENT OF THE ARMY

    Active

    AI Summary

    The Department of the Army is seeking proposals for Agile Professional Services to support military and government operations. This opportunity is a total small business set-aside and involves a flexible framework for professional support services. The contract will span up to 66 months, with various performance period…

    FL

    Posted Oct 8, 2026Due Oct 26, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: W900KK-26-R-A023
    View details→

    NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

    AWARD/JOFOC NOTIFICATION FOR NASA COMMERCIAL SATELLITE DATA ACQUISITION (CSDA) AND EVALUATION OF DATA IN SUPPORT OF SUSTAINABLE LAND IMAGING (SLI) COMMERCIALIZATION

    Archived

    AI Summary

    NASA has awarded a sole-source contract for Earth science data observations and support services for the Sustainable Land Imaging project. The contract, awarded to EarthDaily Analytics USA, Inc., covers vendor engagement, product requirements development, and technical strategy support, with a performance period from S…

    DC

    Posted Oct 8, 2026JustificationNAICS 541990Sol: 80HQTR26C0010
    View details→

    NATIONAL ARCHIVES AND RECORDS ADMINISTRATION

    ARTIFACT CONSERVATION SERVICES —VENDOR POOL

    Active

    AI Summary

    The National Archives and Records Administration is seeking to establish a vendor pool of conservation specialists to provide professional artifact conservation services for its Presidential Libraries. This RFQ aims to award approximately 60 conservation projects over the next 3.5 years, focusing on the assessment, sta…

    MD

    Posted Oct 8, 2026Due Oct 22, 2026Combined Synopsis/SolicitationNAICS 541990Sol: 88310327Q00008
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    BIOMETRIC IDENTITY SERVICES

    Active

    AI Summary

    The Department of Homeland Security is seeking information for biometric identity services to support its operations. This RFI aims to gather insights on providing biometric examination, identity management, and data analysis services. Interested parties should note that this is for planning purposes only and does not …

    DC

    Posted Oct 8, 2026Due Oct 26, 2026Sources SoughtNAICS 541990Sol: RUIM-26-00043
    View details→

    DEPT OF DEFENSE

    VANDENBERG SFB TANK INSPECTION

    Active

    AI Summary

    This opportunity involves a non-personnel services contract for inspections on Department of Defense fuel tanks at Vandenberg SFB. The work includes removal, disposal, transfer of remaining fuel, tank cleaning, and inspection of aboveground storage tanks. Interested bidders should refer to the provided documents for de…

    NE

    Posted Oct 8, 2026Due Oct 30, 2026Combined Synopsis/SolicitationNAICS 541990Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: W9128F27QA002
    View details→

    NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

    ECHOMARK EMAIL LICENSE

    Active

    AI Summary

    The National Aeronautics and Space Administration is seeking quotes for an Echomark email license. All quotes must be submitted in PDF format to be accepted and reviewed. Please refer to the attached documents for further details.

    MS

    Posted Oct 8, 2026Due Oct 15, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 80NSSC26973981Q
    View details→

    GENERAL SERVICES ADMINISTRATION

    JUSTIFICATION FOR AN EXCEPTION TO FAIR OPPORTUNITY UNDER INDEFINITE DELIVERY/INDEFINITE QUANTITY (IDIQ) CONTRACTS

    Archived

    AI Summary

    This opportunity involves a Justification for an Exception to Fair Opportunity to increase the ceiling for Task Order 47QFCA24F0018, which provides professional services to the C5ISR Center. The services include technology analysis, program management, logistics, training, engineering, and technical support, addressing…

    DC

    Posted Oct 8, 2026JustificationNAICS 541990Sol: 47QFCA24F0018
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    5,567
    sled
    874
    forecast
    264

    Related NAICS Codes

    • 54, Professional, Scientific, and Technical Services→
    • 541, Professional, Scientific, and Technical Services→
    • 5411, Legal Services→
    • 54111, Offices of Lawyers→
    • 541110, Offices of Lawyers→
    • 54112, Offices of Notaries→
    • 541120, Offices of Notaries→
    • 54119, Other Legal Services→
    • 541191, Title Abstract and Settlement Offices→
    • 541199, All Other Legal Services→

    Explore

    • 5419 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    About NAICS 5419

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

    Read the full NAICS definition →