Public engineering firm directory

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Akana

Portland, OR

Engineering, Design & Construction Services, Plus Advisory and Grant Support

WebsitePhone5 offices5 projects1 leadersUpdated Jun 2026

Project: New Taholah K-12 School

Service: Engineering ServicesService: Civil EngineeringService: Structural EngineeringIndustry: FederalIndustry: GovernmentType: Civil Engineering+34 more

Apex Engineering, LLC

Tacoma, WA

Our hands-on management philosophy allows us to give each project our personal attention and assures high quality results.

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Washington Water Service Company On-Call Engineering

Service: Civil EngineeringService: Site Development DesignService: Stormwater and Drainage SystemsIndustry: CommercialIndustry: GovernmentType: Civil Engineering+19 more

Bell Design Company

Bingen, WA

Your Trusted Engineering Partner in the Pacific Northwest

WebsitePhone1 office5 leaders2 credentialsFounded 1994Updated Jun 2026

Service detail: Water Systems Engineering

Service: Water Systems EngineeringService: Water System, Pump Station & PRV Vault DesignService: Water Treatment DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+88 more

Celeris Systems, Inc.

Anaheim, CA

Your Mission, Our Purpose

WebsitePhone3 offices1 leaders1 credentialsFounded 2005Updated Jun 2026

Service detail: Engineering & Mission Integration Services

Service: Engineering & Mission Integration ServicesService: Systems EngineeringService: Integration & TestIndustry: DefenseIndustry: AerospaceType: Defense Engineering+20 more

Central Engineering Services

Tualatin, OR

All Moving Forward Together.

WebsitePhone4 offices7 leadersFounded 2015Size Estimate: 25-50 employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Assessment and ReportingIndustry: FederalIndustry: GovernmentType: Geotechnical Engineering+22 more

Columbia-Sentinel Engineers, Inc.

Seattle, WA

Naval architecture, marine engineering, and consulting services since 1973

WebsitePhone1 office1 projectsFounded 1973Updated Jun 2026

Project: Washington State Ferries Incline Testing & Stability Booklets

Service: Naval ArchitectureService: Structural AnalysisService: Stability AnalysisIndustry: MarineIndustry: Ports & HarborsType: Marine Engineering+23 more

D'Leon Consulting Engineers Corporation

Long Beach, CA

DLCE Is Driving Change for Our Communities

Website3 offices12 projects6 leadersFounded 1987Updated Jun 2026

Project: SMForward at Sacramento International Airport

Service: Civil EngineeringService: Civil DesignService: Environmental PlanningIndustry: AviationIndustry: TransitType: Civil Engineering+12 more

DOWL

Portland, OR

Small-Town Service, Big-Time Experts

Website5 offices8 projects12 leadersUpdated Jun 2026

Project: Choteau Wastewater Collection and Treatment Plant

Service: Environmental ServicesService: Environmental StudiesService: Environmental Planning and PermittingIndustry: AviationIndustry: AirportsType: Civil Engineering+35 more

Einhorn Engineering, PLLC

Seattle, WA

Engineering Solutions Critical to Work at Sea

WebsitePhone1 office2 projectsUpdated Jun 2026

Project: Regional Class Research Vessel (RCRV) Special Handling Equipment

Service: Custom SolutionsService: Launch & Recovery SystemsService: Marine Winch SystemsIndustry: MarineIndustry: DefenseType: Marine Engineering+19 more

Elliott Bay Design Group

Seattle, WA

Better to Build, Better to Operate

WebsitePhone2 offices9 leaders8 publicationsFounded 1988Size Estimate: 50-100 employees

Service detail: Naval Architecture

Service: Naval ArchitectureService: Passenger and Vehicle Ferry DesignService: Commercial and Workboat DesignIndustry: MarineIndustry: DefenseType: Marine Engineering+7 more

Evergreen StormH2O

Spokane, WA

Delivering innovative and sustainable stormwater solutions.

WebsitePhone1 office5 leadersFounded 2015Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Applied Research

Service: Applied ResearchService: Effectiveness StudiesService: Treatment Technology DevelopmentIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Water / Wastewater Engineering+17 more

Explico, Inc.

Detroit, MI

Accident Reconstruction | Biomechanics | Human Factors | Animation & Visualization

WebsitePhone8 offices6 leadersFounded 2013Size Estimate: 50-99 employeesUpdated Jun 2026

Service detail: Accident Reconstruction

Service: Accident ReconstructionService: Traffic Accident ReconstructionService: Marine Accident ReconstructionIndustry: LegalIndustry: TransportationType: Forensic Engineering+14 more

FSi Engineers

Seattle, WA

Engineers who are great communicators.

WebsitePhone3 offices8 projects5 leaders10 credentialsFounded 1985

Project: Mukilteo Ferry Terminal

Service: Mechanical EngineeringService: HVAC and control designService: Industrial ventilation systemsIndustry: EducationIndustry: IndustrialType: MEP+59 more

Hatfield & Dawson Consulting Engineers

Seattle, WA

Telecommunications and electromagnetic engineering consultants since 1945

WebsitePhone1 office6 leadersFounded 1945Updated Jun 2026

Service detail: Telecommunications and RF System Engineering

Service: Telecommunications and RF System EngineeringService: Needs Assessment and Technology EvaluationService: RF System Design and ConfigurationIndustry: TelecommunicationsIndustry: Public SafetyType: Telecom / RF Engineering+11 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

INNOVEX Environmental Management, Inc.

Lafayette, CA

Engineering Solutions Through Innovation and Experience

WebsitePhone4 offices1 projects1 leadersFounded 2002Updated Jun 2026

Project: ARCO Retail Compliance Monitoring

Service: Site Assessment and RemediationService: Phase I Site AssessmentsService: Preliminary Investigation and Site AssessmentIndustry: Environmental & RemediationIndustry: Oil & GasType: Environmental Engineering+54 more

Innovative Engineering Inc. (IEI)

Woodstock, GA

Delivering Innovative Solutions For Complex Facilities Nationwide

WebsitePhone3 offices7 projects1 leaders19 credentials3 publications

Project: 50 Hurt Plaza - Historic Landmark Shoring

Service: Structural EngineeringService: New Buildings, Hangars, and Marine StructuresService: Additions, Renovations, and RestorationIndustry: IndustrialIndustry: ManufacturingType: Structural Engineering+60 more

Loving Engineering & Consulting, P.S. Inc.

Port Gamble, WA

Loving Engineering & Consulting, P.S. Inc. is a civil engineering firm serving the Puget Sound region of Washington State on projects ranging from single-family residences to multi-million dollar public works. Its staff work directly with clients from the earliest stages of planning through construction, applying an ecosystems approach that balances environmental sensitivity with cost-effectiveness. Loving Engineering handles engineering design, permitting, technical writing, and project management for public agencies, tribal nations, housing authorities, natural resource agencies, and private developers.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Permitting and Environmental DocumentsService: Technical WritingIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+4 more

Municon West Coast Inc

San Francisco, CA

protect infrastructure and minimize risk through CONSTRUCTION MONITORING

WebsitePhone3 offices10 projects1 leadersFounded 1991Updated Jun 2026

Project: 181 Fremont Street

Service: Remote MonitoringService: Dust MonitoringService: Groundwater MonitoringIndustry: Water ResourcesIndustry: BridgesType: Geotechnical Engineering+24 more

Naidu Engineering LLC

Sammamish, WA

Naidu Engineering LLC provides civil engineering consulting services specializing in hydrology and hydraulics. Founded in 2017, the practice delivers analysis and design solutions for public and private infrastructure projects, including traditional design-bid-build, public-private-partnership, and design-build delivery methods.

Website2 offices7 projects1 leadersFounded 2017Updated Jun 2026

Project: SR 520 Portage Bay Bridge Replacement

Service: Hydrology and Hydraulics EngineeringService: Hydrology and Hydraulic Modeling and SimulationsService: Conveyance and Stormwater BMP DesignIndustry: Highways & RoadsIndustry: TransportationType: Civil Engineering+20 more

Norton Corrosion Limited, LLC

Woodinville, WA

Experts in Corrosion Control

WebsitePhone1 office1 projectsFounded 1959Updated Jun 2026

Project: Cerrejon P40 Expansion Project

Service: Engineering and DesignService: Bid-Ready CP CAD Drawings and SpecificationsService: Corrosion Analysis and Feasibility StudiesIndustry: Oil & GasIndustry: UtilitiesType: Civil Engineering+39 more

Redgarden Engineering LLC

Boulder, CO

Electronics Engineering Consulting Services

WebsitePhone2 offices2 projects2 leaders3 publicationsFounded 2008

Project: Perfect Wave DAC Board PCB Layout

Service: Electronic and Software EngineeringService: Electronic and Software DesignService: Printed Circuit Board LayoutIndustry: Medical DevicesIndustry: AutomotiveType: Electrical Engineering+25 more

Revere Marine LLC

Brush Prairie, WA

Marine Project Management and Consulting Specialists

WebsitePhone1 office4 projects2 leadersFounded 2012Size Estimate: 1-5 employees

Project: MSV(L) LRIP Technical Data Package Management

Service: Marine Construction Management & Owner RepresentationService: Customer and supplier solicitationsService: Labor/material/services cost estimates, trade-off and risk analysesIndustry: DefenseIndustry: MarineType: Land Surveying+23 more

Skybranch Engineering PLLC

Kennewick, WA

Committed to providing excellent service and quality results

WebsitePhone1 officeSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Piping Analysis

Service: Piping AnalysisService: Static ASME Pipe Stress AnalysisService: Dynamic ASME Pipe Stress AnalysisIndustry: Oil & GasIndustry: NuclearType: Forensic Engineering+29 more