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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /541

    NAICS Demand Lane

    Professional, Scientific, and Technical Services, Contract Opportunities

    108,300 total opportunities (108,300 active) tied to NAICS 541 across federal, state, local, and forecast sources.
    NAICS 541Federal + SLED108.3K total
    View NAICS definition →
    Total Opportunities
    108.3K
    Across all indexed sources
    Active Estimate
    108.3K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 541.

    DEPT OF DEFENSE

    RWP - ADVANCED NAVIGATION SIMULATION ENVIRONMENT LABORATORY (ANSEL)

    Active

    AI Summary

    The Air Force is requesting whitepapers from AEDC Velocity Alliance Consortium performers and industry partners for engineering, technical, and integration support to modernize the PNT and NAVWAR simulation capabilities at Holloman AFB’s Navigation Test and Evaluation Laboratory. The effort will replace obsolete equipm…

    TN

    Posted Oct 25, 2026Due Nov 12, 2026SolicitationNAICS 541330Sol: FA9101269ANSEL
    View details→

    DEPARTMENT OF COMMERCE

    NATO BUSINESS OPPORTUNITY: AUDIO VISUAL LIFECYCLE SERVICES (AVLS)

    Active

    AI Summary

    NCIA plans to solicit a multi-year framework for audiovisual lifecycle services at Camp Casteau (SHAPE), covering technical support, maintenance, configuration management, training, and operational assistance for video conferencing, video walls, digital signage, large displays, and public address systems. U.S. prime co…

    Posted Oct 25, 2026Due Oct 27, 2026Special NoticeNAICS 541512Sol: CO-424399-AVLS
    View details→

    DEPT OF DEFENSE

    NEXTGEN IACMAC INDUSTRY DAY

    Archived

    AI Summary

    The Department of the Air Force posted an industry day notice associated with the NextGen IACMAC and identified NAICS 541715. Registration is closed because the event reached venue capacity, and virtual attendance is not available. The Government has no immediate plans to hold another industry day; any future event inf…

    NE

    Posted Oct 24, 2026Special NoticeNAICS 541715Sol: FA807527R0001-NextGen_IACMAC_Industry_Day
    View details→

    DEPT OF DEFENSE

    MILITARY PLANS SPECIALIST SUPPORT SERVICES

    Active

    AI Summary

    The Army is seeking market information for military plans specialist support to Area Support Group-Jordan and USARCENT. Services include force protection and physical security planning, contingency and operational plan development, exercise support, and interagency coordination. Personnel require an active Secret clear…

    AL

    Posted Oct 24, 2026Due Nov 4, 2026Sources SoughtNAICS 541611Sol: ASGJOCS0011
    View details→

    DEPARTMENT OF HEALTH AND HUMAN SERVICES

    SENIOR ADVISOR SUBJECT MATTER EXPERT (SME) WITH PHARMACEUTICAL DEVELOPMENT AND PAIN EXPERTISE FOR THE NINDS

    Active

    AI Summary

    NINDS seeks a senior pharmaceutical development and pain subject matter expert to advise NIH HEAL Initiative leadership, provide technical guidance on drug discovery and development projects, and serve on the HEAL External Oversight Committee. This small-business set-aside is a competitive request for quote for a fixed…

    DC

    Posted Oct 24, 2026Due Oct 30, 2026Combined Synopsis/SolicitationNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: 7571PSQ00007
    View details→

    DEPARTMENT OF ENERGY

    A-E SERVICES FOR ELECTRON INJECTOR COMPLEX

    Active

    AI Summary

    The Department of Energy is soliciting proposals for architectural and engineering design services for the Electron Injector (EIN) Complex at Brookhaven National Laboratory. The solicitation includes an RFP letter and attachments; the Statement of Work is being routed for signatures, with a signed PDF to be posted late…

    NY

    Posted Oct 24, 2026Due Nov 30, 2026SolicitationNAICS 541330No Set aside usedSol: RFP_476957
    View details→

    DEPT OF DEFENSE

    REQUEST FOR INFORMATION – PACIFIC GREENFIELD INITIATIVE (ADVANCED MANUFACTURING AND INDUSTRIAL RESILIENCE OPPORTUNITY ON OAHU, HI)

    Active

    AI Summary

    The Department of the Navy seeks industry input on establishing advanced manufacturing capabilities on Oahu, Hawaii, including site requirements, infrastructure, utilities, and potential acquisition models such as enhanced use leases, other transaction agreements, intergovernmental support agreements, and joint venture…

    HI

    Posted Oct 23, 2026Due Nov 11, 2026Sources SoughtNAICS 541715No Set aside usedSol: RFI-PGI-20260929
    View details→

    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→

    NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

    RTI CONNEXT SITE LICENSE RENEWAL

    Active

    AI Summary

    NASA’s Information Technology Procurement Office plans a sole-source acquisition from Real-Time Innovations, Inc. to renew the RTI Connext site license. The acquisition is for a commercial product or service under FAR Part 12. Interested organizations may email capability statements by November 7, 2026; responses will …

    MD

    Posted Oct 23, 2026Due Nov 7, 2026PresolicitationNAICS 541715Sol: 80TECH27QA010
    View details→

    DEPARTMENT OF AGRICULTURE

    DEPARTMENT OF ENERGY APPROVED PROJECT FACILITATOR

    Active

    AI Summary

    The USDA Forest Service seeks a project facilitator to support its energy savings programs at the Forest Products Laboratory, providing fair, objective, and transparent valuation and pricing measures under the attached performance work statement. Competition is restricted to vendors currently approved by the Department…

    DC

    Posted Oct 23, 2026Due Nov 13, 2026Combined Synopsis/SolicitationNAICS 541330Sol: 12318727Q0010
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    55,422
    sled
    49,742
    forecast
    3,136

    Related NAICS Codes

    • 54, 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→
    • 5412, Accounting, Tax Preparation, Bookkeeping, and Payroll Services→

    Explore

    • 541 Definition→
    • Browse NAICS Codes→
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    About NAICS 541

    This sector comprises establishments that specialize in performing professional, scientific, and technical services for others. These services require a high degree of expertise and training.

    Read the full NAICS definition →