Public engineering firm directory

Find engineering consulting firms by capability and location.

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ABCO Engineering

Nampa, ID

ABCO Engineering is a civil and geotechnical engineering firm established in 2014 and headquartered in Nampa, Idaho. With over 20 years of staff experience in civil and construction engineering, ABCO serves municipal, commercial, and private development clients. Licensed as a Professional Engineer in Idaho, Oregon, Nevada, and Utah, the firm operates primarily in the Treasure Valley and surrounding region.

WebsitePhone1 officeFounded 2014Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Septic system designService: Level 1 nutrient pathogen studiesIndustry: GovernmentIndustry: CommercialType: Civil Engineering+26 more

American Engineering Laboratories, Inc.

La Habra, CA

Providing High Quality Results in a Cost Effective and Timely Manner

WebsitePhone5 offices9 leaders5 credentialsUpdated Jun 2026

Service detail: Construction Inspection

Service: Construction InspectionService: Masonry Inspections and TestingService: Batch Plant InspectionsIndustry: EducationIndustry: GovernmentType: Civil Engineering+28 more

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

HukariAscendent Inc

Wheat Ridge, CO

Experts in Nuclear Professional & Technical Services

WebsitePhone7 offices1 leadersFounded 1999Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Mechanical EngineeringService: Electrical and Instrumentation and Controls EngineeringIndustry: NuclearIndustry: DefenseType: Process Safety Engineering+38 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

Landau Associates

Seattle, WA

Landau's interdisciplinary team of environmental engineers, geologists, and scientists applies an integrated technical approach - spanning air, noise, water, stormwater, remediation, and permitting - to transform complex environmental challenges into effective risk management solutions. Headquartered in Seattle, Landau operates from nine offices across the Pacific Northwest, Pacific Coast, and Gulf Coast.

Website9 officesUpdated Jun 2026

Service detail: Environmental Remediation

Service: Environmental RemediationService: Water ResourcesService: Permitting & Engineering DesignIndustry: Environmental & RemediationIndustry: Water ResourcesType: Environmental Engineering+7 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

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

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

YOY, Inc. dba Verdis

Coeur d'Alene, ID

Planning | Design | Engineering | Construction

WebsitePhone2 offices7 projects28 leaders1 credentialsFounded 2007

Project: Macy House Historic Renovation

Service: PlanningService: Land EntitlementsService: Subdivision and Minor Subdivision PlatsIndustry: FederalIndustry: GovernmentType: Civil Engineering+58 more