NAICS 541620 - Environmental Consulting Services RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

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About Environmental Consulting Services (NAICS 541620)

This industry comprises establishments primarily engaged in providing advice and assistance to businesses and other organizations on environmental issues, such as the control of environmental contamination from pollutants, toxic substances, and hazardous materials. These establishments identify problems (e.g., inspect buildings for hazardous materials), measure and evaluate risks, and recommend solutions. They employ a multidisciplined staff of scientists, engineers, and other technicians with expertise in areas, such as air and water quality, asbestos contamination, remediation, ecological restoration, and environmental law. Establishments providing sanitation or site remediation consulting services are included in this industry.

StatusTitleBuyerDue Date
OpenOlalla Landfill Remedial Action Consulting Services

Kitsap County is seeking consultant services for the selected remedial action at Olalla Landfill.

Olalla, WA, USA•Request for Quote/Qualifications (RFQ)
Kitsap County10/27/2026
OpenNationwide Environmental Engineering Services IDIQ

The U.S. Coast Guard is conducting market research for small and large businesses capable of providing nationwide environmental engineering and professional environmental services under a potential 10-year, $150 million multiple-award IDIQ vehicle.

United States•Sources SoughtSmall Business
United States of America > HOMELAND SECURITY, DEPARTMENT OF > U.S. COAST GUARD > CEU CLEVELAND11/16/2026
OpenEnvironmental Restoration and Science Engineering A-E Services

The U.S. Department of the Navy's NAVFAC Engineering and Expeditionary Warfare Center is seeking SF330 submissions for a single-award, indefinite-delivery, indefinite-quantity architect-engineer contract supporting environmental restoration and related environmental science and engineering projects worldwide.

Naval Base Ventura County (Construction Battalion Center Port Hueneme), Port Hueneme, CA, USA•Sources Sought
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVFAC SYSTEMS AND EXP WARFARE CTR (EXPEDITIONARY WARFARE CENTER)11/2/2026
OpenStrategic Employment Area Master Environmental Servicing and Secondary Planning

The Township of Adelaide Metcalfe is seeking a consultant for a Strategic Employment Area Master Environmental Servicing Plan and Secondary Plan.

Adelaide Metcalfe, ON, Canada•Request for Proposal (RFP)
Middlesex Centre > Township of Adelaide Metcalfe10/30/2026
OpenBavarian Shores Nature-Based Stormwater Management Consulting

Suffolk County is seeking qualified consultants for the design, engineering, permitting, and restoration planning of a nature-based stormwater management project at Bavarian Shores in Lake Ronkonkoma County Park.

Lake Ronkonkoma County Park, Lake Ronkonkoma, NY, USA•Request for Proposal (RFP)
Suffolk County > Office of Central Procurement > Department of Parks, Recreation and Conservation11/30/2026
OpenEnvironmental Site Assessment Services Roster

The Municipality of Clarington is seeking qualified firms for Category 22 environmental site assessment services under a 36-month professional consulting roster, with future assignments potentially valued up to $250,000.

Clarington, ON, Canada•Request for Quote/Qualifications (RFQ)
Municipality of Clarington10/30/2026
OpenMiscellaneous Professional Services Master Contract

The Village of Estero is seeking qualified firms for an as-needed master contract covering professional consulting, engineering, surveying, environmental, planning, and related services, with a three-year initial term and possible renewal.

9401 Corkscrew Palms Circle, Estero, FL, USA•Request for Proposal (RFP)Disadvantaged BusinessMinority-Owned Business
Village of Estero11/16/2026
OpenRegional Contaminated-Sites Environmental Consulting Services

Alberta Transportation and Economic Corridors is seeking regional environmental consulting services for contaminated-sites management across the Southern, Central, and Peace regions under a 36-month contract.

Alberta, Canada•Request for Proposal (RFP)
Alberta > Transportation and Economic Corridors10/29/2026
OpenEngineering and Technical Consulting Services Roster

Oxford County is seeking qualified professional firms for a multi-disciplinary engineering and technical consulting roster covering recurring and project-specific assignments across multiple service categories.

Ontario, Canada•Request for Quote/Qualifications (RFQ)
Oxford County11/27/2026
OpenBrownfield Redevelopment Consulting Services

Antrim County is seeking qualifications and cost proposals from consultants to provide Brownfield redevelopment technical, administrative, and consulting services to the Antrim County Brownfield Redevelopment Authority.

203 East Cayuga Co Bldg, Bellaire, MI, USA•Request for Quote/Qualifications (RFQ)
Antrim County10/30/2026
OpenEngineering, Planning and Professional Consulting Services Roster

The Municipality of Clarington is seeking prequalification responses from firms providing Category 11 geomorphology consulting services for inclusion on a 36-month professional services roster with future assignments up to CAD $250,000.

Clarington, ON, Canada•Request for Quote/Qualifications (RFQ)
Municipality of Clarington10/30/2026
OpenGeomorphology Consulting Services Roster

The Municipality of Clarington is seeking prequalification responses from firms providing Category 11 geomorphology consulting services for a 36-month professional consulting roster, with future assignments potentially valued up to $250,000.

Clarington, ON, Canada•Request for Quote/Qualifications (RFQ)
Municipality of Clarington10/30/2026
OpenEnvironmental Consulting Services Roster

The Municipality of Clarington is seeking qualified environmental consulting firms for Category 5 of a 36-month professional services roster, with future assignments potentially valued up to $250,000.

40 Temperance Street, Clarington, ON, Canada•Request for Quote/Qualifications (RFQ)
Municipality of Clarington10/30/2026
OpenEnvironmental Education, Cleanup, Restoration, and Beautification Services

The City of Austin is seeking contractors to provide environmental education, community cleanup, beautification, ecological restoration, stewardship, volunteer management, and related reporting services across Austin.

Austin, TX, USA•Request for Proposal (RFP)
City of Austin > Austin Public Health > Austin Financial Services-Central Procurement11/3/2026
OpenBrownfield Assessment and Cleanup Planning Services

River Hills Economic Development District & Regional Planning Commission is seeking a professional environmental consultant to develop a brownfield inventory, conduct Phase I and Phase II Environmental Site Assessments, and perform cleanup planning across five Indiana counties under a $500,000 EPA grant.

Indiana, USA•Request for Proposal (RFP)
River Hills Economic Development District & Regional Planning Commission11/16/2026
OpenEdmonds Marsh Estuary Preliminary Design Consulting

The City of Edmonds, Washington, is seeking consultant services for preliminary design of the Edmonds Marsh Estuary, including a statement of qualifications with project approach, team qualifications, and references.

Edmonds, WA, USA•Request for Quote/Qualifications (RFQ)Disadvantaged Business
Edmonds11/5/2026
OpenNatural Resources Management Plan Consulting

The City of Overland Park is seeking a consultant to develop a Natural Resources Management Plan for city-owned parks and natural areas, including ecological assessments, stakeholder engagement, carbon-reduction projections, priority conservation projects, and restoration cost estimates.

Overland Park, KS, USA•Request for Proposal (RFP)
City of Overland Park11/6/2026
OpenLandscape Architecture Consulting Services Roster

The Municipality of Clarington is seeking landscape architecture consulting firms for Category 13 of a 36-month professional consulting services roster, with potential roster assignments up to $250,000.

Bowmanville, ON, Canada•Request for Quote/Qualifications (RFQ)
Municipality of Clarington10/30/2026
OpenNational Payment for Ecosystem Services Guidelines Consultant

The United Nations Development Programme in Papua New Guinea is seeking a national consultant to develop National Payment for Ecosystem Services Guidelines through policy analysis, stakeholder engagement, and technical recommendations.

Port Moresby, NC, Papua New Guinea•Request for Proposal (RFP)Other
United Nations > United Nations Development Programme > United Nations Development Programme Country Office in Papua New Guinea11/2/2026
OpenBrownfields Cleanup Grant Implementation Consulting

Giles County is seeking a qualified environmental consulting firm to provide brownfields grant implementation, remediation planning and oversight, project management, and community engagement for the former Leas & McVitty/New River Tannery site.

Pearisburg, VA, USA•Request for Proposal (RFP)Disadvantaged Business
Giles County11/2/2026
Open2027 Planning and Zoning Professional Services

The City of Summit Planning Board and Zoning Board of Adjustment are seeking qualification statements from firms to provide 2027 engineering, planning, attorney, and stenographic services.

Summit, NJ, USA•Request for Quote/Qualifications (RFQ)
City of Summit > Zoning Board of Adjustment10/29/2026
OpenSecond Transit Mobility Center Planning and Design Services

West River Transit Authority, doing business as Prairie Hills Transit, is seeking professional architectural, engineering, planning, environmental, appraisal, and related consulting services for a proposed second Transit Mobility Center in Spearfish, South Dakota.

Spearfish, SD, USA•Request for Proposal (RFP)
River Cities Public Transit11/20/2026
OpenOn-Call Environmental Consulting Services

The Brooklyn Navy Yard Development Corporation is seeking two consultants for on-call environmental planning, permitting, compliance, investigation, remediation, emergency response, design, and related services at the Brooklyn Navy Yard, with contracts valued at up to $300,000 over five years.

Brooklyn Navy Yard, Kings County, NY, USA•Request for Proposal (RFP)Minority-Owned BusinessOtherWoman-Owned Business
New York City > Brooklyn Navy Yard Development Corporation11/13/2026
OpenCounty Plan Implementation Consulting Services

Allegheny County Economic Development and the Department of Sustainability are seeking consultants to support county plan implementation through strategic planning, research, feasibility studies, funding identification, grant support, and related services.

Allegheny County, PA, USA•Request for Quote/Qualifications (RFQ)Minority-Owned BusinessVeteran-Owned BusinessWoman-Owned Business
Allegheny County11/4/2026
OpenClaremont Access Long-Term Slope Remediation Consulting

The City of Hamilton is seeking proposals from a prime consultant for the Claremont Access Long-Term Slope Remediation Project.

Hamilton, ON, Canada•Request for Proposal (RFP)
City of Hamilton11/12/2026
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This industry comprises establishments primarily engaged in providing advice and assistance to businesses and other organizations on environmental issues, such as the control of environmental contamination from pollutants, toxic substances, and hazardous materials.…

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