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Wisconsin · Environmental Vendor Finder

Ecological Services Vendors in Wisconsin

12 companies with ecological services capability serving Wisconsin. Free to search. Every listing shows its research source and the date it was last reviewed.

Vendor Finder · Categories · Ecological Services

12 companies

Free company profileWisconsin

Cedar Corporation

Menomonie, Wisconsin

cedarcorp.com

Wisconsin engineering and architecture firm providing environmental compliance, remediation, WDNR assured wetland delineations, threatened species evaluations and stormwater pond management.

Programs—
AvailabilityScheduled Service
CoverageWisconsin
Public-source reviewedReviewed Jul 27, 2026

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Free company profileRegional

Emmons & Olivier Resources

Saint Paul, Minnesota

eorinc.com

Water resources and ecological consulting firm doing stormwater BMP identification, hydrologic and water quality modeling, TMDL studies, wetland assessment and stream restoration.

Programs—
AvailabilityScheduled Service
CoverageWisconsin, Minnesota, Iowa and Canada
Public-source reviewedReviewed Jul 27, 2026

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Free company profileNational

GEI Consultants

Woburn, Massachusetts

geiconsultants.com

Environmental, ecological, water-resource and remediation consulting for industrial and infrastructure projects.

ProgramsRCRA · CWA · SPCC
AvailabilityScheduled Service
CoverageWisconsin offices; nationwide U.S. and Canada
Public-source reviewedReviewed Jul 27, 2026

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Free company profileWisconsin

Heartland Ecological Group

Mount Horeb, Wisconsin

heartlandecological.com

Ecological consulting firm performing assured wetland delineations, wetland restoration and mitigation, regulatory permitting, natural resource assessments and natural community restoration.

Programs—
AvailabilityScheduled Service
CoverageWisconsin (Dane, Racine, Milwaukee, Waukesha counties)
Public-source reviewedReviewed Jul 27, 2026

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Free company profileRegional

Hey and Associates

Volo, Illinois

heyassoc.com

Water resources and ecology consultancy handling wetland delineation and regulatory issues, wetland mitigation, stormwater and flood control design and ecological restoration.

Programs—
AvailabilityScheduled Service
CoverageWisconsin and northern Illinois
Public-source reviewedReviewed Jul 27, 2026

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Free company profileRegional

Kapur & Associates

Milwaukee, Wisconsin

kapurinc.com

Consulting engineering firm performing wetland delineation and permitting, stormwater pollution prevention plans, erosion control BMP design and endangered resources review.

Programs—
AvailabilityScheduled Service
CoverageWisconsin, Illinois, Indiana, Pennsylvania and Florida
Public-source reviewedReviewed Jul 27, 2026

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Free company profileWisconsin

NES Ecological Services

Hobart, Wisconsin

neswi.com

Ecological consulting group providing WDNR assured wetland determinations and delineations, permit applications, endangered resources review, native habitat restoration and erosion control.

Programs—
AvailabilityScheduled Service
CoverageWisconsin (Northeast Wisconsin focus)
Public-source reviewedReviewed Jul 27, 2026

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Free company profileNational

Tetra Tech

Pasadena, California

tetratech.com

Water, environment, remediation and regulatory consulting for industrial, municipal and infrastructure needs.

ProgramsRCRA · CWA · SPCC · EPCRA
AvailabilityScheduled Service
CoverageWisconsin (Green Bay lab), U.S. and international
Public-source reviewedReviewed Jul 27, 2026

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Free company profileWisconsin

Wetlands and Waterways

Minocqua, Wisconsin

wetlandsandwater.com

Consultancy providing wetland delineation, mitigation, restoration, mitigation bank design and monitoring, wetland fill permitting, plant surveys and endangered resources reviews.

Programs—
AvailabilityScheduled Service
CoverageWisconsin (statewide; Northern Wisconsin focus)
Public-source reviewedReviewed Jul 27, 2026

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Free company profileRegional

White Water Associates

Amasa, Michigan

white-water-associates.com

Laboratory and ecological consulting firm testing drinking water for bacteria and coliform plus wastewater and soil samples, with labs in Michigan and Wisconsin.

Programs—
AvailabilityScheduled Service
CoverageWisconsin, Michigan Upper Peninsula and nationwide
Public-source reviewedReviewed Jul 27, 2026

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