Public engineering firm directory

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A&E Engineering and Surveying

Pocatello, ID

See it. Solve it. Stand by it.

WebsitePhone1 office2 leaders3 credentialsFounded 1998Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land Development and Site DesignService: Water Resources and HydraulicsIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+28 more

AE2S

Bismarck, ND

Empowering People. Enhancing Lives.

Website22 offices6 leadersFounded 1991Updated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: WaterService: WastewaterIndustry: Automation & ControlsIndustry: Environmental & RemediationType: Civil Engineering+29 more

AGPROfessionals

Greeley, CO

Professional problem-solvers achieving clients' goals and advocating their success

WebsitePhone2 offices4 projects12 leaders3 credentialsFounded 2000

Project: Boer Dairy Expansion

Service: Agricultural EngineeringService: Site SelectionService: Dairy Facility DesignIndustry: AgricultureIndustry: IndustrialType: Civil Engineering+55 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

Arrowleaf Engineering, PC

Driggs, ID

Infrastructure for a better world.

Website1 office1 leadersFounded 2014Updated Jun 2026

Service detail: Three Waters Management

Service: Three Waters ManagementService: Potable water supplyService: Wastewater disposalIndustry: ResidentialIndustry: CommercialType: Civil Engineering+15 more

Bowen Collins & Associates

Draper, UT

Experts in Water

WebsitePhone6 offices8 projects6 leaders3 credentialsFounded 1997

Project: Utah Lake Pump Station Redesign

Service: WaterService: Pipeline designService: Storage tank and reservoir designIndustry: GovernmentIndustry: IndustrialType: Civil Engineering+65 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

Enveniam LLC

Oak Ridge, TN

Integrated Expertise. Mission-Ready Solutions.

Website8 offices5 projects4 credentialsFounded 2022Size Estimate: 1,000+ employeesUpdated Jun 2026

Project: Pu-238 Production and Automation Support for NASA Space Missions

Service: Advanced Energy SolutionsService: Nuclear TechnologyService: Nuclear OperationsIndustry: NuclearIndustry: FederalType: Environmental Engineering+32 more

G3 Water Engineers LLC

Boise, ID

Custom Engineered Water and Wastewater Treatment Solutions

WebsitePhone1 office11 projectsUpdated Jun 2026

Project: Arizona Beverage Producer Treatment Facility Design

Service: Water and Wastewater Treatment EngineeringService: Treatment Process DesignService: Process OptimizationIndustry: WastewaterIndustry: Water SupplyType: Design-Build+21 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

Harmony Design & Engineering

Driggs, ID

Integrating art, engineering, and the environment

WebsitePhone2 offices24 projects11 leaders5 credentialsFounded 2005

Project: Safety Action Plan for Teton County, ID

Service: Land SurveyingService: Topographic Land SurveysService: Bathymetric SurveysIndustry: GovernmentIndustry: FederalType: Civil Engineering+89 more

Holladay Engineering Company

Payette, ID

Engineering with Integrity, Professionalism, and Reliability

WebsitePhone2 offices9 leadersFounded 1982Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Design and Construction of Specialty BuildingsService: Bridge Inspection, Design, and ConstructionIndustry: GovernmentIndustry: FederalType: Civil Engineering+41 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

JSD Professional Services, Inc.

Madison, WI

Planning, Engineering, Surveying, Landscape Architecture, Development Services

Website7 offices5 projects5 leaders14 credentialsFounded 1998Size Estimate: 50-150 employees

Project: Nativity Jesuit Academy Pedestrian Mall

Service: Civil EngineeringService: Site grading and earthworkService: Utility designIndustry: Multifamily ResidentialIndustry: Senior LivingType: Civil Engineering+40 more

Jones & DeMille Engineering Inc

Richfield, UT

Shaping the Quality of Life - Together

WebsitePhone11 offices9 projects1 leadersFounded 1982Updated Jun 2026

Project: Bryce Canyon Recreation Center

Service: PlanningService: Infrastructure PlanningService: VisioningIndustry: TransportationIndustry: Water ResourcesType: Architecture & Engineering+54 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

Luhdorff & Scalmanini Consulting Engineers

Woodland, CA

Integrating Groundwater, Science & Engineering

WebsitePhone5 offices14 projects1 credentialsFounded 1980Updated Jun 2026

Project: Napa County Groundwater Sustainability Planning

Service: Groundwater ResourcesService: Groundwater Sustainability PlanningService: Conjunctive Use & Recharge PlanningIndustry: Water SupplyIndustry: Water ResourcesType: Water / Wastewater Engineering+23 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

Nebula Safety & Environmental

Irvine, CA

Nebula Safety & Environmental is a process safety and environmental consulting firm headquartered in Irvine, California, with offices in Riverside, California, Columbus, Ohio, Post Falls, Idaho, and Henderson, Nevada. Founded by a team with over 40 years of combined experience, Nebula specializes in OSHA PSM and EPA RMP compliance, process hazard analysis facilitation, dust hazard analysis, hazard mitigation plan preparation, and environmental and health, safety, and environment consulting for pharmaceutical, aerospace, chemical, oil and gas, government, and manufacturing clients nationwide.

Website5 officesUpdated Jun 2026

Service detail: RMP/PSM Services

Service: RMP/PSM ServicesService: PSM/RMP Program DevelopmentService: Process Safety Compliance AuditsIndustry: PharmaceuticalIndustry: AerospaceType: Process Safety Engineering+13 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

North Wind Group

Idaho Falls, ID

Business leader in environmental, engineering, mission support, and construction.

WebsitePhone1 office4 projects1 leadersFounded 1997Updated Jun 2026

Project: Moab Uranium Mill Tailings Remedial Action (UMTRA) Site

Service: Environmental ServicesService: Abandoned Mine Lands (AML) ReclamationService: Cultural Resource ServicesIndustry: GovernmentIndustry: FederalType: Environmental Engineering+40 more

Parametrix

Seattle, WA

Let's create tomorrow, together

Website15 offices5 projects9 leaders3 credentialsFounded 1969Updated Jun 2026

Project: Quincy Square on Fourth Street

Service: Advisory ServicesService: Climate Change & ResiliencyService: Electrical EngineeringIndustry: GovernmentIndustry: TransportationType: Electrical Engineering+24 more