Public engineering firm directory

Find engineering consulting firms by capability and location.

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AVI, PC

Cheyenne, WY

Engineering Excellence

WebsitePhone2 offices9 projects6 leaders2 credentialsUpdated Jun 2026

Project: Casper's West Belt Loop Road

Service: TransportationService: Roadway DesignService: Drainage DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+51 more

Barr Engineering Co.

Minneapolis, MN

Designing What's Next

WebsitePhone18 offices6 projects1 leaders1 credentials1 publications

Project: Utility-Scale BESS Engineering and Design

Service: Engineering and DesignService: Mine Tailings Management EngineeringService: Mineral Processing and Plant DesignIndustry: MiningIndustry: Power GenerationType: Civil Engineering+34 more

Merjent, Inc.

Minneapolis, MN

Engineering, environmental, field, and restoration services.

WebsitePhone3 offices4 leadersFounded 2004Size Estimate: 300+ employeesUpdated Jun 2026

Service detail: Environmental Permitting and Compliance

Service: Environmental Permitting and ComplianceService: Regulatory Permitting and ApprovalsService: Ongoing Compliance MonitoringIndustry: Oil & GasIndustry: Power GenerationType: Environmental Engineering+26 more

New River Engineers Inc

Charleston, WV

Leading the way in innovative engineering solutions.

WebsitePhone5 offices1 projects12 leadersFounded 1980Size Estimate: 70 employees

Project: Brittany Point Apartments

Service: Civil EngineeringService: Site Design and PlanningService: Water Supply and DistributionIndustry: MiningIndustry: Oil & GasType: Architecture & Engineering+39 more

PR Design & Engineering Inc.

Kings Beach, CA

California & Nevada Licensed Civil Engineering & Land Use Planning

WebsitePhone1 officeSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Roadway DesignService: Subdivision Layout and DesignIndustry: GovernmentIndustry: CommercialType: Civil Engineering+32 more

Smith Environmental and Engineering

Dacono, CO

Delivering responsible solutions in environmental stewardship.

WebsitePhone1 office2 leadersSize Estimate: 20-49 employeesUpdated Jun 2026

Service detail: Ecological Sciences

Service: Ecological SciencesService: Wetland delineationsService: CWA Section 404 permittingIndustry: TransportationIndustry: Land DevelopmentType: Environmental Engineering+49 more

Stillwater Sciences

Stillwater Sciences specializes in science-based, technical approaches to natural and water resource management. Using a collaborative and multi-disciplinary approach, Stillwater integrates habitat and species information to understand critical ecosystem processes and identify effective measures for restoring and managing rivers and their floodplains as functioning ecosystems. Stillwater works closely with agencies, industry, and non-governmental organizations to deliver technical information for scientifically sound management decisions across the Western United States. Core areas of expertise include fish and aquatic ecology, water quality, environmental engineering, geomorphology, botany and riparian vegetation, wildlife, and spatial analysis/GIS.

Website15 projectsUpdated Jun 2026

Project: Copper River Watershed Salmon Habitat Monitoring Plan

Service: Watershed AssessmentService: Watershed analysis including ecological flow evaluations, riparian habitat establishment, and instream habitat creation and maintenanceService: Watershed Management Plans, Master Plans, and Integrated Regional Water Management PlansIndustry: Water ResourcesIndustry: Environmental & RemediationType: Environmental Engineering+27 more

TANAQ Environmental

Partnering to realize solutions for environmental problems seen and unseen.

Website3 projects6 leaders1 credentialsUpdated Jun 2026

Project: PFAS Mitigation, Mountain Home AFB, ID

Service: PFAS Investigation & RemediationService: Phase I PFAS remedial investigationsService: PFAS treatment system design and installation for drinking water, groundwater, and surface waterIndustry: DefenseIndustry: FederalType: Environmental Engineering+27 more