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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /541620

    NAICS Demand Lane

    Environmental Consulting Services, Contract Opportunities

    6,544 total opportunities (6,544 active) tied to NAICS 541620 across federal, state, local, and forecast sources.
    NAICS 541620Federal + SLED6.5K total
    View NAICS definition →
    Total Opportunities
    6.5K
    Across all indexed sources
    Active Estimate
    6.5K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 541620.

    AK-ARCTIC NWR- ASBESTOS, LEAD BASE PAINT

    Active

    AI Summary

    The contractor will survey identified structures at the Arctic National Wildlife Refuge for asbestos-containing materials, lead-based paint, and PCB paint ahead of planned maintenance, renovation, demolition, or deconstruction. Work includes qualified personnel, sampling and laboratory analysis, transportation, lodging…

    Posted Nov 13, 2026Due Nov 19, 2026Combined Synopsis/SolicitationNAICS 541620Total Small Business Set-Aside (FAR 19.5)Sol: 140FF027Q0076
    View details→

    B--NV AIM TERRESTRIAL DATA COLLECTION PERMITTING

    Active

    AI Summary

    The Bureau of Land Management is conducting market research for statewide terrestrial monitoring surveys on BLM-managed lands in Nevada using Assessment, Inventory and Monitoring protocols. Interested vendors are asked to submit a capability statement, including relevant experience with large-scale terrestrial data col…

    Posted Nov 12, 2026Due Nov 30, 2026Sources SoughtNAICS 541620Sol: 140LL027Q0027
    View details→

    DEPT OF DEFENSE

    PINE BLUFF ARSENAL TESTING, LAB AND ENGINEERING SERVICES

    Active

    AI Summary

    Pine Bluff Arsenal seeks environmental testing, laboratory, and engineering services, including water, sediment, and fish-tissue sampling; toxicity testing; groundwater and corrective-action analysis; and maintenance of its geographic information system. Work also includes stormwater plans and sampling, environmental p…

    IL

    Posted Nov 12, 2026Due Nov 20, 2026Combined Synopsis/SolicitationNAICS 541620Total Small Business Set-Aside (FAR 19.5)Sol: W519TC27QA031
    View details→

    DEPT OF DEFENSE

    USACE - SWG ENVIRONMENTAL SERVICES FOR EVALUATION OF DREDGED MATERIAL

    Active

    AI Summary

    USACE Galveston District is conducting market research for environmental services evaluating dredged-material placement suitability and potential impacts, primarily in Texas and Louisiana. Work may include field sampling, laboratory and toxicity testing, environmental modeling, compliance support, and technical reports…

    TX

    Posted Nov 12, 2026Due Nov 25, 2026Sources SoughtNAICS 541620Sol: W912HY27X1CX7
    View details→

    A--NOTICE OF INTENT - RESEARCH AND TECHNOLOGY ADVANCEMENT SUPPORT, A WHITEP

    Active

    AI Summary

    This special notice seeks white papers for research and technology advancement support for the Bureau of Safety and Environmental Enforcement’s Oil Spill Response Research program. The notice is an expression of intent rather than a stated solicitation for award; the provided information does not specify scope details,…

    Posted Nov 10, 2026Due Nov 25, 2026Special NoticeNAICS 541620Sol: DOIDSAM27E002
    View details→

    A--NOTICE OF INTENT - EVALUATION ON EMULSION BREAKER

    Active

    AI Summary

    This special notice announces an intent to sole-source an evaluation of an emulsion breaker. The notice lists NAICS 541620, but provides no details about the evaluation scope, acquisition value, or response requirements; interested vendors should consult the attached intent-to-sole-source notice.

    Posted Nov 10, 2026Due Nov 25, 2026Special NoticeNAICS 541620Sol: DOIDSAM27E001
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    BIOWATCH PROGRAM

    Active

    AI Summary

    FEMA is conducting market research on contractor staffing and support options for BioWatch field operations in selected metropolitan jurisdictions. Services include daily air-sampler filter collection and laboratory delivery, field staffing and scheduling, local office and supply storage, and support for special events…

    DC

    Posted Nov 10, 2026Due Dec 4, 2026Sources SoughtNAICS 541620Sol: 70FA4027I00000005
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    H941--CHEMICAL HOODS & HEPA PM

    Archived

    AI Summary

    The Department of Veterans Affairs is soliciting a service-disabled veteran-owned small business for preventive maintenance of chemical hoods and HEPA systems. The notice is a combined synopsis/solicitation and is identified as Amendment 0003. The deadline is November 12, 2026; the available notice information does not…

    OH

    Posted Nov 10, 2026Due Nov 12, 2026Combined Synopsis/SolicitationNAICS 541620Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C25027Q0065
    View details→

    DEPT OF DEFENSE

    CORE ENVIRONMENTAL COMPLIANCE SUPPORT SERVICES – DARBY MILITARY COMMUNITY (DMC), USAG ITALY

    Active

    AI Summary

    The Army has posted solicitation W912PF27QA006 for core environmental compliance support services at Darby Military Community, USAG Italy. The notice states that general requirement information is available in the related pre-solicitation notice PAN41426P0000025815 and that solicitation attachments have been posted.

    AE

    Posted Nov 10, 2026Due Dec 14, 2026SolicitationNAICS 541620Sol: PAN41426P0000025815
    View details→

    ESA/ NEPA COMPLIANCE SUPPORT FOR KLAMATH PROJECT A

    Active

    AI Summary

    The Bureau of Reclamation seeks environmental compliance support for corrective action planning related to continued operation of the Klamath Project A Canal. Services include assistance with compliance under the Endangered Species Act, NEPA, NHPA, Clean Water Act, and other applicable laws. This open-market procuremen…

    Posted Nov 9, 2026Due Dec 9, 2026Combined Synopsis/SolicitationNAICS 541620SBA Certified Women-Owned Small Business (WOSB) Program Set-Aside (FAR 19.15)Sol: 140R2026Q0112
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    1,965
    sled
    4,499
    forecast
    80

    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

    • 541620 Definition→
    • Browse NAICS Codes→
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    • Browse by State→

    About NAICS 541620

    This industry comprises establishments primarily engaged in providing advice and assistance to businesses and other organizations on environmental issues, such as environmental impact assessments, remediation, and compliance with environmental regulations.

    Read the full NAICS definition →