Public engineering firm directory

Find engineering consulting firms by capability and location.

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Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 more

Budinger & Associates, Inc.

Spokane Valley, WA

Geotechnical Engineering throughout the Northwest

WebsitePhone2 offices3 projects7 leadersFounded 1976Updated Jun 2026

Project: I-90 SH-41 Interchange Temporary Shoring

Service: Geotechnical EngineeringService: Building FoundationsService: Airfield PavementsIndustry: GovernmentIndustry: InfrastructureType: Geotechnical Engineering+41 more

Ciani & Hatch Engineering PLLC

Seattle, WA

Geotechnical engineering, project management, and design

Website2 offices6 leadersFounded 2023Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Geotechnical Site Investigation

Service: Geotechnical Site InvestigationService: Exploration Plan & ROW PermittingService: Geologic Hazards & Critical Areas StudiesIndustry: InfrastructureIndustry: Water SupplyType: Geotechnical Engineering+26 more

Eagle Rock Engineering and Land Surveying

Idaho Falls, ID

Civil - Planning - Surveying

WebsitePhone2 officesUpdated Jun 2026

Service detail: Land Planning and Development

Service: Land Planning and DevelopmentService: Subdivision Design and PlanningService: Site Subdivision LayoutIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+36 more

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

GeoTek, Inc.

Las Vegas, NV

Engineering Excellence

WebsitePhone6 offices3 projects1 credentialsFounded 1997Size Estimate: 200+ employees

Project: Rhodes Ranch Residential Development

Service: Geotechnical EngineeringService: Geotechnical Drilling and Subsurface ExplorationsService: Geotechnical Evaluation ReportsIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+44 more

Geotechnical Resources, Inc.

Tigard, OR

Technical Innovations and Practical Design Solutions

WebsitePhone5 offices3 projects2 credentialsFounded 1984Updated Jun 2026

Project: City of Corvallis Pavement Management Program

Service: Geotechnical EngineeringService: Foundation and Retaining Structure DesignService: Seismic and Slope StabilityIndustry: AviationIndustry: AirportsType: Geotechnical Engineering+38 more

HMH Engineering

Coeur d'Alene, ID

Locally Rooted and Community Focused

WebsitePhone7 officesFounded 2011Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land SurveyingService: Land DevelopmentIndustry: GovernmentIndustry: FederalType: Civil Engineering+17 more

Harper-Leavitt Engineering, Inc.

Idaho Falls, ID

Professional Engineering & Surveying with Common Sense

WebsitePhone2 offices1 projects1 leadersFounded 1969Updated Jun 2026

Project: Mountain View Hospital

Service: Civil Site PlansService: Master PlanningService: SubdivisionsIndustry: GovernmentIndustry: CommercialType: Civil Engineering+25 more

JLT Consultants LLC

Boise, ID

Building Tomorrow, Grounded Today

Website1 office2 projects3 leadersFounded 2018Size Estimate: 1-10 employeesUpdated Jun 2026

Project: ITD SH-55, State St. to Payette River Bridge

Service: Geotechnical EngineeringService: Site InvestigationService: Foundation DesignIndustry: Highways & RoadsIndustry: BridgesType: Geotechnical Engineering+19 more

Lumos & Associates

Carson City, NV

Responsible Engineering

WebsitePhone8 offices7 projects3 leaders9 credentialsUpdated Jun 2026

Project: Tahoe Keys Upper Truckee Marsh

Service: Civil EngineeringService: TransportationService: Stormwater Analysis and DesignIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+36 more

Nelson Engineering

Jackson, WY

Quality of Life Through Excellence in Engineering

WebsitePhone3 offices6 projects6 credentialsFounded 1964Size Estimate: 40-60 employees

Project: Teton Village Wastewater Treatment Plant

Service: Civil EngineeringService: Civil engineering services for publicService: Private clients on municipalIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+68 more

Shannon & Wilson, Inc.

Seattle, WA

Geotechnical & Environmental Consultants

WebsitePhone15 offices11 projects2 leaders2 credentials2 publications

Project: Lower Dungeness River Floodplain Restoration and Levee Realignment

Service: Geotechnical EngineeringService: Geotechnical StudiesService: ExplorationsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+37 more

Strata Inc

Boise, ID

Big Firm Capabilities. Small Firm Approachability.

Website6 offices9 leaders1 credentialsFounded 1974Updated Jun 2026

Service detail: Construction Services

Service: Geotechnical EngineeringService: Construction ServicesService: Construction Inspection and TestingIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+9 more

TD&H Engineering

Great Falls, MT

A Full-Service Consulting Engineering Firm

Website9 offices8 projects5 leaders5 credentialsFounded 1965Size Estimate: 50-150 employees

Project: Great Falls Water Treatment Plant

Service: Civil EngineeringService: Site Civil Grading & Utility InfrastructureService: Stormwater Analysis & Drainage DesignIndustry: GovernmentIndustry: WastewaterType: Aviation Engineering+56 more