Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

Clear search text
Search: Fish Barrier StructuresClear all
Filters1

State

OR3ID2AZ1CO1MA1

City

Boise2Portland2Bedford1Bozeman1Flagstaff1

Services

Hydrologic & Hydraulic Modeling4Civil Engineering2Construction Administration2Foundations2Geotechnical Engineering2

Industries

Environmental & Remediation8Government8Natural Resources8Water Resources7Federal5

Firm types

Environmental Engineering9Water / Wastewater Engineering8Civil Engineering6Land Surveying4Structural Engineering4

11 results

Showing 1-11 of 11

Firm nameRecently updatedProfile depthOffice countSizeAgeLocation match
ComfortableCompact

Adkins Engineering and Surveying

Klamath Falls, OR

Serving S. Oregon and N. California Since 1983

Website1 office6 projects3 leaders3 credentialsFounded 1983Size Estimate: 15-25 employees

Project: Klamath Irrigation District - C-Flume Replacement

Service: Civil EngineeringService: Land Development PlanningService: Transportation SystemsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+37 more
WebsiteView profile

Allied Engineering Services Inc

Bozeman, MT

Diverse Projects. Solutions That Last.

WebsitePhone1 office14 projects1 credentialsFounded 1996Updated Jun 2026

Project: Bozeman Public Safety Center

Service: Civil EngineeringService: SubdivisionsService: Water and Wastewater Systems DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+59 more
WebsiteView profile

Ecological Resource Consultants, Inc.

Stream Restoration, Fisheries Ecology & Water Resources

Website6 projectsUpdated Jun 2026

Project: Blue River Stream Restoration

Service: Stream & Fishery EnhancementsService: Natural Channel DesignService: Fishery Habitat ImprovementsIndustry: Water ResourcesIndustry: Environmental & RemediationType: Environmental Engineering+20 more
WebsiteView profile

GeoEngineers

Redmond, WA

Caring people. Quality work.

Website4 offices5 projects3 leaders3 credentialsSize Estimate: 200-500 employeesUpdated Jun 2026

Project: 1918 Eighth Avenue Shoring Design

Service: Geotechnical EngineeringService: Foundation Design and RecommendationsService: Shoring and Support of Excavation DesignIndustry: Power GenerationIndustry: UtilitiesType: Geotechnical Engineering+65 more
WebsiteView profile

Inter-Fluve, Inc.

River Restoration and Water Resources Engineering

WebsiteFounded 1984Updated Jun 2026

Service detail: Dam Removal & Fish Passage

Service: Dam Removal & Fish PassageService: Estuary RestorationService: Floodplain ReconnectionIndustry: Water ResourcesIndustry: Environmental & RemediationType: Environmental Engineering+12 more
WebsiteView profile

McMillen

Boise, ID

Because it matters.

WebsitePhone1 office30 projects3 credentialsFounded 2002Size Estimate: 50-100 employees

Project: Pacificorp Engineering Services

Service: Water Retention InfrastructureService: Heavy Civil and Concrete WorkService: Spillway and Gate RehabilitationIndustry: HydroelectricIndustry: Renewable EnergyType: Civil Engineering+33 more
WebsiteView profile

Northwest Watersheds LLC

Portland, OR

Reuniting Communities and Nature

WebsitePhone1 office6 projects2 leadersFounded 2019Updated Jun 2026

Project: Kruger Creek Stream Stabilization

Service: Stormwater Management DesignService: Green Street DesignService: Regional Stormwater FacilitiesIndustry: Stormwater & Flood ControlIndustry: Water ResourcesType: Civil Engineering+40 more
WebsiteView profile

OneFish Engineering, LLC

Fort Collins, CO

Specialized fish passage, fish screening, and hydrology engineering for the Mountain West.

WebsitePhone1 office13 projects2 leadersFounded 2009Size Estimate: 1-5 employees

Project: Encampment River Dam Removal

Service: Fish Passage EngineeringService: Technical Fishway DesignService: Nature-Like Fishway DesignIndustry: Water ResourcesIndustry: Environmental & RemediationType: Civil Engineering+18 more
WebsiteView profile

Oxbow Ecological Engineering, LLC

Flagstaff, AZ

river + riparian + wetland + wildland

WebsitePhone1 office6 projects1 leaders3 credentialsFounded 2013

Project: Sweetwater Creek Restoration Project

Service: Surveying and MappingService: Topographic Engineering and Supplemental SurveysService: Fluvial Geomorphic Surveys and AssessmentsIndustry: Natural ResourcesIndustry: Water ResourcesType: Civil Engineering+39 more
WebsiteView profile

Ultrasea Inc

Bedford, NH

Pioneering Advanced Marine Solutions

WebsitePhone2 offices2 leadersFounded 2023Updated Jun 2026

Service detail: Marine Security and Defense

Service: Marine Security and DefenseService: Counter Swarm AnalysisService: Marine Security BarriersIndustry: DefenseIndustry: MarineType: Coastal Engineering+25 more
WebsiteView profile

Wolf Water Resources, Inc.

Portland, OR

Working with Nature, Partnering with People.

WebsitePhone1 office10 projects13 leaders3 credentialsSize Estimate: 10-50 employees

Project: Steigerwald Floodplain Reconnection

Service: Ecosystem RestorationService: Floodplain Reconnection and EnhancementService: River Channel and Creek RealignmentIndustry: GovernmentIndustry: FederalType: Environmental Engineering+28 more
WebsiteView profile