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Wisconsin · Environmental Vendor Finder

Stormwater Vendors in Wisconsin

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

Vendor Finder · Categories · Stormwater

14 companies

Free company profileWisconsin

Bay Environmental Strategies

Green Bay, Wisconsin

bayenvironmental.com

Industrial compliance support including air permitting and modeling, stormwater, reporting, auditing and wetland work.

ProgramsRCRA · CAA · CWA · EPCRA
AvailabilityScheduled Service
CoverageWisconsin and regional projects
Public-source reviewedReviewed Jul 26, 2026

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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
Vendor confirmation pendingReviewed Jul 27, 2026

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Free company profileRegional

Donohue & Associates

Sheboygan, Wisconsin

donohue-associates.com

Engineering firm providing wastewater treatment and collection facility planning, process modeling, design, capacity evaluation, and stormwater permitting and compliance.

Programs
AvailabilityScheduled Service
CoverageWisconsin and Upper Midwest
Vendor confirmation pendingReviewed 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 and Upper Midwest
Vendor confirmation pendingReviewed 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 Upper Midwest
Vendor confirmation pendingReviewed 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 and Upper Midwest
Vendor confirmation pendingReviewed Jul 27, 2026

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Free company profileRegional

MSA Professional Services

Appleton, Wisconsin

msa-ps.com

Engineering and planning firm providing Phase 1 and 2 site assessments, brownfields redevelopment, storage tank assessments, vapor intrusion remediation and NPDES stormwater compliance.

Programs
AvailabilityScheduled Service
CoverageWisconsin and Upper Midwest
Vendor confirmation pendingReviewed Jul 27, 2026

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Free company profileRegional

Robert E. Lee & Associates

Hobart, Wisconsin

releeinc.com

Full-service environmental consulting firm providing Phase I and II site assessments, brownfield redevelopment, soil and groundwater remediation, air permitting and stormwater management.

Programs
AvailabilityScheduled Service
CoverageWisconsin and Upper Midwest
Vendor confirmation pendingReviewed Jul 27, 2026

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Free company profileRegional

Ruekert & Mielke

Waukesha, Wisconsin

ruekertmielke.com

Civil and environmental engineering firm handling wastewater treatment and collection design, stormwater management, MS4 permit compliance, erosion control inspections and wetland delineation.

Programs
AvailabilityScheduled Service
CoverageWisconsin and Upper Midwest
Vendor confirmation pendingReviewed Jul 27, 2026

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Free company profileRegional

The Sigma Group

Milwaukee, Wisconsin

thesigmagroup.com

Environmental, civil and geotechnical services for redevelopment, site investigation, remediation and water-resource projects.

ProgramsRCRA · CWA · SPCC
AvailabilityScheduled Service
CoverageWisconsin and Midwest
Vendor confirmation pendingReviewed Jul 26, 2026

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Free company profileNational

TRC Companies

Windsor, Connecticut

trccompanies.com

Wisconsin office support for environmental permitting, compliance, air modeling, audits, remediation and infrastructure projects.

ProgramsRCRA · CAA · CWA · EPCRA
AvailabilityScheduled Service
CoverageWisconsin and nationwide
Public-source reviewedReviewed Jul 26, 2026

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