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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /54199

    NAICS Demand Lane

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

    4,807 total opportunities (4,807 active) tied to NAICS 54199 across federal, state, local, and forecast sources.
    NAICS 54199Federal + SLED4.8K total
    View NAICS definition →
    Total Opportunities
    4.8K
    Across all indexed sources
    Active Estimate
    4.8K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 54199.

    DEPARTMENT OF TRANSPORTATION

    POST-CONSTRUCTION ENVIRONMENTAL COMPLIANCE MONITORING SERVICES FOR OR FLAP GRANT 24(2) GRANITE HILL ROAD RECONSTRUCTION PHASE II

    Active

    AI Summary

    This opportunity is a request for quotation (RFQ) for post-construction environmental compliance monitoring services related to the Granite Hill Road Reconstruction Phase II project. It is a total small business set-aside, and offers are being requested under simplified acquisition procedures. Interested bidders should…

    WA

    Posted Aug 25, 2026Due Sep 10, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 69056726Q000034
    View details→

    DEPARTMENT OF TRANSPORTATION

    POST-CONSTRUCTION ENVIRONMENTAL COMPLIANCE MONITORING SERVICES IN SUPPORT OF WA NP LARO 208(1), HAWK CREEK ROAD STABILIZATION AND WA FLAP LINCOL 57860(1) HAWK CREEK ROAD IMPROVEMENTS

    Active

    AI Summary

    This opportunity is a request for quotation (RFQ) for post-construction environmental compliance monitoring services related to road stabilization and improvements projects. It is a total small business set-aside, and offers are being requested without a separate written solicitation. Interested bidders should refer to…

    WA

    Posted Aug 25, 2026Due Sep 10, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 69056726Q000036
    View details→

    DEPT OF DEFENSE

    G6 AV SUPPORT SERVICES

    Active

    AI Summary

    The Department of Defense is seeking proposals for AV Support Services for MARSOC G6, with a mandatory site visit on August 24, 2026. Proposals are due by September 17, 2026, and must be submitted electronically. This is a commercial acquisition under FAR Part 12, with a total contract value of $4,999,999. Attendance a…

    NC

    Posted Aug 25, 2026Due Sep 17, 2026SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: H9225726RE030
    View details→

    DEPT OF DEFENSE

    UNIVERSAL POWER SUPPLY BATTERIES WITH INSTALLATION AND WARRANTY

    Active

    AI Summary

    The Department of Defense is seeking proposals for universal power supply batteries, including installation and warranty services. This opportunity is a combined synopsis/solicitation, and it is not set aside for small businesses. Bidders should be prepared to meet the requirements outlined in the solicitation.

    NY

    Posted Aug 25, 2026Due Sep 1, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U4257
    View details→

    DEPT OF DEFENSE

    SECO IT

    Active

    AI Summary

    The Department of Defense, specifically the Navy, has issued a solicitation for IT services under NAICS code 54199. The proposal due date has been extended to September 14, 2026. Interested bidders should refer to the attached solicitation for detailed information and amendments.

    TN

    Posted Aug 25, 2026Due Sep 14, 2026SolicitationNAICS 54199Sol: N4571A-26-R-0016
    View details→

    DEPARTMENT OF THE INTERIOR

    AL DEEP HORIZON NRDA & RESTOR OF INSPECT

    Active

    AI Summary

    The U.S. Fish and Wildlife Service is soliciting proposals for the inspection of the North Breton Island Plant as part of the Deep Horizon Natural Resource Damage Assessment. This opportunity focuses on environmental consulting services related to wildlife inspection and assessment.

    VA

    Posted Aug 25, 2026Due Sep 15, 2026SolicitationNAICS 541990Sol: 140FNR26Q0008
    View details→

    DEPT OF DEFENSE

    ISO 17025

    Active

    AI Summary

    The Department of the Navy seeks a contractor to provide personnel and expertise for ISO/IEC 17025 Accreditation audits for the NFPC Materials Laboratory. Services include chemical analysis, tensile testing, and hardness testing. This opportunity is a combined synopsis/solicitation and does not fall under FAR Part 13.

    PA

    Posted Aug 25, 2026Due Aug 28, 2026Combined Synopsis/SolicitationNAICS 541990Sol: N6449826Q5254
    View details→

    DEPT OF DEFENSE

    IASS - ICONIC SOFTWARE - SGTEK

    Active

    AI Summary

    The Department of the Air Force has issued a special notice regarding a sole source opportunity related to ICONIC Software. Interested parties should refer to the attached Bill of Materials and Sole Source Memo for further details.

    Posted Aug 25, 2026Due Sep 1, 2026Special NoticeNAICS 541990Sol: IASS-8252026
    View details→

    EQUAL EMPLOYMENT OPPORTUNITY COMMISSION

    NOTICE OF INTENT TO AWARD SOLE SOURCE

    Archived

    AI Summary

    The Equal Employment Opportunity Commission intends to award a sole-source contract to Experian Information Solutions, Inc. for credit and identity protection services. This contract includes a base period and two 12-month options, as Experian is the only vendor capable of providing comprehensive identity monitoring se…

    Posted Aug 24, 2026Due Aug 24, 2026Special NoticeNAICS 541990Sol: 45310026F0109
    View details→

    DEPARTMENT OF THE INTERIOR

    H--DD FIRE SUPPRESSION BOTTLE BPA

    Active

    AI Summary

    The Department of the Interior, Bureau of Reclamation, is soliciting for a Blanket Purchase Agreement (BPA) for fire suppression bottles. This opportunity is set aside for small businesses and falls under FAR Part 13 - Simplified Acquisition Procedures. Interested vendors should prepare to submit their quotes according…

    NV

    Posted Aug 24, 2026Due Aug 27, 2026SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: 140R3026Q0088
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    4,404
    sled
    123
    forecast
    280

    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

    • 54199 Definition→
    • Browse NAICS Codes→
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    About NAICS 54199

    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 support activities.

    Read the full NAICS definition →