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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

    4,929 total opportunities (4,929 active) tied to NAICS 54199 across federal, state, local, and forecast sources.
    NAICS 54199Federal + SLED4.9K total
    View NAICS definition →
    Total Opportunities
    4.9K
    Across all indexed sources
    Active Estimate
    4.9K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 54199.

    DEPT OF DEFENSE

    CLEANING, INSPECTION, AND HAZARDOUS WASTE REMOVAL FOR TWO 10,000-GALLON OIL/WATER SEPARATORS

    Active

    AI Summary

    The Air Force seeks quotes from small businesses to pump, clean, and inspect two 10,000-gallon underground oil-water separators at the 934th Airlift Wing in Minneapolis. The work includes non-hazardous waste disposal and optional hazardous waste disposal. One award is anticipated, using best value based on price, techn…

    MN

    Posted Oct 23, 2026Due Nov 12, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: FA663327QA001
    View details→

    DEPT OF DEFENSE

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

    Active

    AI Summary

    The Army seeks small businesses to provide Agile Professional Services supporting CPE ST3’s simulation, training, testing, and threat-solution mission. The contractor will develop and transition the organization to a task-based, outcome-driven delivery framework while providing lifecycle, program, technical, and operat…

    FL

    Posted Oct 23, 2026Due Oct 26, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: W900KK-26-R-A023
    View details→

    DEPT OF DEFENSE

    711TH HPW MISSION SUPPORT SERVICES MAC IDIQ

    Active

    AI Summary

    The Air Force Research Laboratory is soliciting proposals for an 8(a)-set-aside, multiple-award IDIQ contract for 711th Mission Support Services. The procurement uses a FAR Part 15 RFP process, with proposals due October 30, 2026, at 3:00 p.m. EDT. Offerors must provide verifiable supporting contract documentation demo…

    OH

    Posted Oct 23, 2026Due Oct 30, 2026Combined Synopsis/SolicitationNAICS 5419908(a) Set-Aside (FAR 19.8)Sol: FA239626RB008
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    REQUEST FOR INFORMATION: OUTREACH AND INDUSTRY PARTNERSHIPS (OIP) PORTAL

    Active

    AI Summary

    The Department of Homeland Security’s Office of Procurement Operations is conducting market research for an Outreach and Industry Partnerships (OIP) Portal. This is an RFI only, not a solicitation, and responses will not be compensated. Interested parties may request the draft Statement of Work by contacting the listed…

    DC

    Posted Oct 23, 2026Due Nov 13, 2026Special NoticeNAICS 5419908(a) Set-Aside (FAR 19.8)Sol: 70RSAT27RFI000003
    View details→

    DEPT OF DEFENSE

    DATA & AI MISSION EXPERT SERVICES (DAMES) IDIQ

    Active

    AI Summary

    The Department of the Air Force is conducting market research for a potential Data & AI Mission Expert Services IDIQ. Interested firms should submit a capability statement describing their technical approach, relevant past performance, and staffing and transition timeline, along with company identifiers and size standa…

    MD

    Posted Oct 23, 2026Due Nov 2, 2026Sources SoughtNAICS 541990Sol: FA701427SAFCNDAMES
    View details→

    DEPT OF DEFENSE

    MARINE RESOURCE TECHNICAL SERVICES THROUGHOUT THE NAVAL FACILITIES ENGINEERING SYSTEMS COMMAND (NAVFAC) PACIFIC AREA OF RESPONSIBILITY

    Active

    AI Summary

    NAVFAC Pacific seeks proposals for a multiple-award, firm-fixed-price IDIQ contract for marine resource technical services, primarily in Hawaii, Guam, and the CNMI, with work possible worldwide. Services include marine surveys and monitoring, ecological analysis, habitat restoration, environmental planning and complian…

    HI

    Posted Oct 23, 2026Due Nov 24, 2026SolicitationNAICS 541990Partial Small Business Set-Aside (FAR 19.5)Sol: N6274227R1801
    View details→

    DEPT OF DEFENSE

    TRAINING INSTRUCTOR OPERATOR SERVICES SUPPORT II

    Active

    AI Summary

    The Army seeks proposals for continuous instructor/operator support at Military Operations Training Centers and other Army training events in the continental United States and overseas. The anticipated single-award firm-fixed-price contract includes a mandatory minimum staffing baseline, a base period, and four one-yea…

    FL

    Posted Oct 22, 2026Due Nov 9, 2026Combined Synopsis/SolicitationNAICS 541990Total Small Business Set-Aside (FAR 19.5)Sol: W900KK-27-R-A0003
    View details→

    DEPT OF DEFENSE

    NAVAL CENTER FOR COMBAT AND OPERATIONAL STRESS CONTROL (NCCOSC) SUPPORT SERVICES

    Active

    AI Summary

    The Department of the Navy is soliciting support services for the Naval Center for Combat and Operational Stress Control (NCCOSC). The requirement was previously announced under Notice ID N0018927QB001; all subsequent procurement actions will use Notice ID N0018927RB002. The available description does not specify the s…

    VA

    Posted Oct 22, 2026Due Oct 26, 2026SolicitationNAICS 541990Sol: N0018927RB002
    View details→

    DEPT OF DEFENSE

    EXPLOSIVE CHARACTERIZATION AND TECHNICAL SERVICE SUPPORT

    Archived

    AI Summary

    The U.S. Army Corps of Engineers ERDC seeks research and technical services for the DBA-105P binary blasting agent, including readiness and operational support, material characterization, and research and development. The Army intends to award UTEC Corporation, LLC a sole-source BPA with a five-year ordering period. Th…

    MS

    Posted Oct 22, 2026Due Oct 22, 2026Special NoticeNAICS 541990Sol: W912HZ27Z1CRT
    View details→

    DEPT OF DEFENSE

    FORT CAMPBELL, KY - API 653 EXTERNAL TANK INSPECTION

    Active

    AI Summary

    The Army is soliciting quotes for an API 653 external inspection of a fuel tank at Fort Campbell, Kentucky. This is a service opportunity set aside for service-disabled veteran-owned small businesses. Submit quotes to the listed contracting specialist and contracting officer; consult the solicitation and attachments fo…

    NE

    Posted Oct 22, 2026Due Nov 13, 2026SolicitationNAICS 541990Service-Disabled Veteran-Owned Small Business (SDVOSB) Sole Source (FAR 19.14)Sol: W9128F27QA006
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    4,463
    sled
    165
    forecast
    301

    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 →