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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /541690

    NAICS Demand Lane

    Other Scientific and Technical Consulting Services, Contract Opportunities

    3,966 total opportunities (3,966 active) tied to NAICS 541690 across federal, state, local, and forecast sources.
    NAICS 541690Federal + SLED4K total
    View NAICS definition →
    Total Opportunities
    4K
    Across all indexed sources
    Active Estimate
    4K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 541690.

    DEPARTMENT OF VETERANS AFFAIRS

    LOCK OUT – TAG OUT (LOTO) SERVICES AT CHILLICOTHE VAMC - CHILLICOTHE, OH

    Active

    AI Summary

    The Department of Veterans Affairs is seeking Lock Out – Tag Out (LOTO) services at the Chillicothe VAMC. This opportunity is a combined synopsis/solicitation with a due date for offers on September 17, 2026. Amendment 0002 has been issued, providing responses to RFIs and additional documentation. Interested parties sh…

    OH

    Posted Sep 14, 2026Due Sep 17, 2026Combined Synopsis/SolicitationNAICS 541690Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C25026Q0604
    View details→

    DEPARTMENT OF AGRICULTURE

    EASEMENT CHANGE DETECTION NRCS

    Active

    AI Summary

    The USDA is seeking a contractor to design and operate an automated geospatial data processing system for monitoring NRCS conservation easements. The system will analyze various remotely sensed datasets and ensure compliance with NRCS quality standards. Questions must be submitted in writing by September 16, 2026.

    CO

    Posted Sep 14, 2026Due Sep 21, 2026Combined Synopsis/SolicitationNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: 12314426Q0307
    View details→

    NUCLEAR REGULATORY COMMISSION

    R--FLOW-INDUCED VIBRATION REVIEW AND GUIDANCE

    Active

    AI Summary

    The Nuclear Regulatory Commission seeks a contractor to provide technical assistance services for reviewing submittals, updating guidance, and preparing training related to Flow-Induced Vibration analysis and testing. This solicitation is classified under NAICS code 541690 and is not subject to Simplified Acquisition P…

    MD

    Posted Sep 14, 2026Due Oct 12, 2026SolicitationNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: 31310026R0029
    View details→

    DEPARTMENT OF THE INTERIOR

    F--VEGETATION SURVEY - DISTRICT 10 NORTH

    Active

    AI Summary

    The Bureau of Indian Affairs is soliciting proposals for a vegetation survey in District 10 North. This opportunity is classified under NAICS code 541690, focusing on environmental consulting services. Interested bidders should prepare to submit their proposals by the specified deadline.

    NM

    Posted Sep 12, 2026Due Sep 17, 2026SolicitationNAICS 541690Indian Small Business Economic Enterprise (ISBEE) Set-Aside (specific to Department of Interior and Indian Health Services)Sol: 140A0926Q0028
    View details→

    DEPARTMENT OF HEALTH AND HUMAN SERVICES

    HRSA/MCHB NEWBORN SCREENING SYSTEMATIC EVIDENCE REVIEW IDIQ AND TASK ORDER 1

    Active

    AI Summary

    The HRSA/MCHB is seeking proposals for an IDIQ contract focused on systematic evidence reviews related to newborn screening. This opportunity includes a concurrent award of Task Order 1 and emphasizes adherence to revised proposal requirements. The contract has a five-year term with a total ceiling value of $15,111,361…

    MD

    Posted Sep 11, 2026Due Sep 22, 2026Combined Synopsis/SolicitationNAICS 541690Sol: 75R60226R00026
    View details→

    DEPARTMENT OF THE INTERIOR

    F--VEGETATION SURVEY - DISTRICT 10 SOUTH

    Active

    AI Summary

    The Bureau of Indian Affairs is soliciting proposals for a vegetation survey in District 10 South. This opportunity is classified under NAICS code 541690, focusing on environmental consulting services. Interested bidders should prepare to submit their proposals by the specified deadline.

    NM

    Posted Sep 11, 2026Due Sep 16, 2026SolicitationNAICS 541690Indian Small Business Economic Enterprise (ISBEE) Set-Aside (specific to Department of Interior and Indian Health Services)Sol: 140A0926Q0030
    View details→

    DEPARTMENT OF THE INTERIOR

    F--DISTRICT 18 ENVIRONMENTAL ASSESSMENT

    Active

    AI Summary

    The Department of the Interior, Bureau of Indian Affairs, is soliciting proposals for an environmental assessment in District 18. This opportunity is classified under NAICS code 541690 and is not subject to Simplified Acquisition Procedures. Interested bidders should prepare to submit their proposals by the specified d…

    NM

    Posted Sep 11, 2026Due Sep 16, 2026SolicitationNAICS 541690Indian Small Business Economic Enterprise (ISBEE) Set-Aside (specific to Department of Interior and Indian Health Services)Sol: 140A0926Q0033
    View details→

    DEPT OF DEFENSE

    DOW/DON TECHNOLOGY TRANSFER PROGRAM MANAGEMENT SUPPORT

    Active

    AI Summary

    The Department of Defense, specifically the Department of the Navy, is seeking a contractor to provide professional support services for the DoW/DON Technology Transfer Program Management Office. This includes expertise in technology transfer policy, event coordination, and compliance with intellectual property agreeme…

    VA

    Posted Sep 11, 2026Due Sep 25, 2026Sources SoughtNAICS 541690Sol: N0001426RFI7005
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    VA MAGNETIC RESONANCE SAFETY EXPERT SERVICES

    Active

    AI Summary

    The U.S. Department of Veterans Affairs seeks a contractor for Magnetic Resonance Safety Expert services to provide virtual support across participating sites in the Midwest Consortium. This requirement is set aside for Service-Disabled Veteran Owned Small Businesses and includes five one-year ordering periods. Proposa…

    TN

    Posted Sep 11, 2026Due Sep 21, 2026SolicitationNAICS 541690Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C24C26Q0022
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    RESPIRATOR FIT TESTING

    Active

    AI Summary

    The Department of Veterans Affairs is seeking a contractor to provide industrial hygiene support, specifically for respirator fit testing for 700 to 1000 employees. The contractor will supply necessary equipment and training for Controlled Air Purifying Respirators, ensuring compliance with safety standards.

    MD

    Posted Sep 10, 2026Due Sep 15, 2026Sources SoughtNAICS 541690Sol: 36C24527Q0008
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    2,029
    sled
    1,856
    forecast
    81

    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

    • 541690 Definition→
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    About NAICS 541690

    This industry comprises establishments primarily engaged in providing consulting services in scientific and technical fields not classified elsewhere. These services include specialized consulting in areas such as environmental, agricultural, and other technical fields.

    Read the full NAICS definition →