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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

    4,327 total opportunities (4,327 active) tied to NAICS 541690 across federal, state, local, and forecast sources.
    NAICS 541690Federal + SLED4.3K total
    View NAICS definition →
    Total Opportunities
    4.3K
    Across all indexed sources
    Active Estimate
    4.3K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 541690.

    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→

    DEPT OF DEFENSE

    ISO 50001 WR-ALC SOLE SOURCE

    Active

    AI Summary

    The Air Force seeks Strategic Energy Manager expertise, personnel, equipment, materials, and related services to sustain WR-ALC’s ISO 50001 Energy Management System certification at Robins Air Force Base, Georgia. This is a sole-source solicitation to Global Strategic Energy, LLC under GSA Schedule GS-21F-155AA, based …

    GA

    Posted Oct 23, 2026Due Oct 26, 2026SolicitationNAICS 541690Sol: FA857127Q0008
    View details→

    JUSTIFICATION AND APPROVAL FOR OTHER THAN FULL AND OPEN COMPETITION - OHS HFARD NBIC ADVISORY & ASSISTANCE SERVICES

    Archived

    AI Summary

    DHS’s Office of Health Security seeks contractor advisory and assistance services for the National Biosurveillance Information Center, including administrative, programmatic, systems engineering, research analysis, and scientific support. The services are planned as a firm-fixed-price task order under GSA OASIS+ Manage…

    Posted Oct 23, 2026JustificationNAICS 541690Sol: FY26-0237
    View details→

    DEPT OF DEFENSE

    AFCENT BATTLE LAB COMMERCIAL SOLUTIONS OPENING

    Archived

    AI Summary

    AFCENT’s continuously open Commercial Solutions Opening seeks innovative commercial technologies, products, and services for counter-UAS and integrated defensive capabilities, including data fusion, swarm defeat, rapid prototyping, sensor integration, and open architectures. Solution briefs are accepted and evaluated o…

    SC

    Posted Oct 20, 2026Special NoticeNAICS 541690
    View details→

    DEPARTMENT OF ENERGY

    R--TECHNICAL SERVICES SUPPORT

    Active

    AI Summary

    The Department of Energy Office of Science seeks a single contractor to provide site-wide security support for the Office of Safety and Security, the Office of Science Consolidated Service Center, and the Oak Ridge Office of Environmental Management in Oak Ridge, Tennessee. The work supports safeguards and security res…

    TN

    Posted Oct 20, 2026Due Nov 4, 2026SolicitationNAICS 5416908(a) Set-Aside (FAR 19.8)Sol: 89243126RSC000172
    View details→

    DEPARTMENT OF HEALTH AND HUMAN SERVICES

    IHS PRODUCE PRESCRIPTION PILOT PROGRAM

    Archived

    AI Summary

    The Indian Health Service is seeking support for its Produce Prescription Pilot Program, which connects eligible participants with produce as part of a health-focused initiative. The notice is identified as a justification, and the available information does not specify the solicitation format, acquisition procedure, s…

    MD

    Posted Oct 19, 2026JustificationNAICS 541690Sol: 75H70426P00026
    View details→

    DEPARTMENT OF AGRICULTURE

    FY27 - EXPERT REVIEW BOARDS

    Active

    AI Summary

    The Department of Agriculture is seeking sources for expert review boards related to farm production and conservation. This opportunity is categorized as a sources sought notice, inviting interested parties to provide their capabilities. Interested vendors should review the attached document for further details.

    DC

    Posted Oct 15, 2026Due Sep 30, 2027Sources SoughtNAICS 541690Sol: FY27-EXPERT-REVIEW-BOARDS
    View details→

    FY27 BOTANY SURVEYS

    Active

    AI Summary

    The opportunity involves conducting botany surveys for FY27. This solicitation is categorized under NAICS code 541690, focusing on environmental consulting services. Bidders should prepare to provide comprehensive botanical assessments as part of their proposals.

    Posted Oct 14, 2026Due Nov 14, 2026SolicitationNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: 140LL027Q0003
    View details→

    DEPT OF DEFENSE

    DISA COMMAND, CONTROL, COMMUNICATIONS, AND COMPUTERS ENTERPRISE (J6 C4E) DIRECTORATE – PENTAGON (J6P) SECURITY SUPPORT SERVICES (J6 S3)

    Active

    AI Summary

    The DISA J6 C4E is seeking sources to provide comprehensive security support services, including physical, personnel, operations, and industrial security, as well as program protection. Contractors must comply with specific DoD security regulations to ensure the safety of personnel and facilities.

    IL

    Posted Oct 14, 2026Due Oct 28, 2026Sources SoughtNAICS 541690Sol: 832673670
    View details→

    INJECTION WELL FAILURE MODE EVALUATION

    Active

    AI Summary

    This opportunity involves a solicitation for evaluating failure modes of injection wells. Interested bidders should have expertise in environmental consulting and water management. The primary NAICS code for this project is 541690, indicating a focus on other scientific and technical consulting services.

    Posted Oct 13, 2026Due Nov 10, 2026SolicitationNAICS 541690Total Small Business Set-Aside (FAR 19.5)Sol: 140RR027Q0004
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    2,043
    sled
    2,240
    forecast
    44

    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 →