Public engineering firm directory

Find engineering consulting firms by capability and location.

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AMI Aero, LLC

Renton, WA

An Aerodynamics Legacy Since 1971

WebsitePhone1 office3 projectsFounded 1971Updated Jun 2026

Project: Sino-Swearingen SJ30

Service: Aerodynamic EngineeringService: Aircraft Design & ConfigurationService: Airfoil & Shape DesignIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+28 more

AeroMech Incorporated

Mukilteo, WA

Precision aerospace engineering, FAA certification, and inflight connectivity solutions.

WebsitePhone3 offices2 projects3 credentialsUpdated Jun 2026

Project: Piper M700 Fury RVSM Certification

Service: FAA STC DevelopmentService: Inflight Connectivity STCsService: RVSM STCsIndustry: AviationIndustry: AerospaceType: Aerospace Engineering+13 more

Andrews & Associates Engineering, Inc.

Lynnwood, WA

Professional engineering design services specializing in instrumentation hardware and software development.

WebsitePhone1 office4 projects1 leadersFounded 1989Updated Jun 2026

Project: New Satellite Thruster Controller

Service: Electronics Design and DevelopmentService: Analog and Precision Analog CircuitryService: Digital and Microprocessor SystemsIndustry: IndustrialIndustry: DefenseType: Automation & Controls+28 more

Art Anderson Associates

Bremerton, WA

Multidisciplinary Engineers for Land and Sea

WebsitePhone1 office4 projects5 leaders1 credentials1 publications

Project: Ediz Hook Shoreline Restoration

Service: Architecture & EngineeringService: Civil Site DesignService: Structural AssessmentsIndustry: DefenseIndustry: GovernmentType: Naval Architecture+34 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

Casper, Phillips & Associates, Inc. P.C.

University Place, WA

Worldwide Structural and Mechanical Consulting Engineering Services

WebsitePhone1 office5 leaders1 credentialsFounded 1987Size Estimate: 1-25 employees

Service detail: Crane Engineering

Service: Crane EngineeringService: Crane Design ReviewService: Crane Procurement SupportIndustry: MarineIndustry: Ports & HarborsType: Civil Engineering+23 more

CivTech

Scottsdale, AZ

Quality, integrity, and technical expertise providing innovative engineering solutions for traffic, transportation planning, and design.

WebsitePhone3 offices12 projects7 leadersFounded 2002Size Estimate: 5-25 employees

Project: Palisene Traffic Impact Analysis

Service: Traffic EngineeringService: Traffic Impact Analysis StudiesService: Traffic Control PlansIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+46 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

Core One Consulting

Surrey, BC

In a Time of Evolving Technologies, Core One Keeps Telecom Companies Moving Forward

WebsitePhone4 offices2 projects2 leadersFounded 2012Size Estimate: 10-49 employees

Project: Rogers Place Stadium DAS Design

Service: Engineering ServicesService: Architectural and Engineering DesignService: Structural Engineering ServicesIndustry: TelecommunicationsType: Telecom / RF Engineering+12 more

Degenkolb Engineers

San Francisco, CA

Building a better future through innovative solutions

Website11 offices7 leaders1 credentialsFounded 1940Size Estimate: 250-500 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: New Building DesignService: Seismic RetrofitIndustry: HealthcareIndustry: EducationType: Structural Engineering+27 more

Erickson Structural Consulting Engineers, PC

Vancouver, WA

When experience, trust, & reliability matter most.

WebsitePhone2 officesUpdated Jun 2026

Service detail: Building Renovations & Additions

Service: Building Renovations & AdditionsService: Structural Analysis & Peer ReviewService: Structural AnalysisIndustry: CommercialIndustry: ResidentialType: Forensic Engineering+10 more

Harms Engineering, Inc.

Pasco, WA

Authentic, Reachable, and Practical Engineering Solutions

WebsitePhone1 office5 projectsFounded 1980Updated Jun 2026

Project: Pasco Fire Station

Service: Civil EngineeringService: Subdivision and Short-Plat Planning and Infrastructure DesignService: Civil Site Plans for Public and Private ProjectsIndustry: GovernmentIndustry: Public SafetyType: Civil Engineering+76 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

Hockema Group, Inc.

Seattle, WA

A full-service consulting and engineering firm delivering exceptional service to clients in the marine industry throughout the United States.

WebsitePhone2 offices6 projects15 leadersFounded 1997Size Estimate: 10-49 employees

Project: Manson Hopper Dredge

Service: Naval ArchitectureService: Full Naval Architecture ServicesService: ConversionIndustry: MarineIndustry: GovernmentType: Naval Architecture+29 more

Impact Naval Architects Llc

Bainbridge Island, WA

Technical Expertise, Practical Application

Website1 office5 projects3 leadersFounded 2017Size Estimate: 1-10 employeesUpdated Jun 2026

Project: San Francisco Bay Ferry High Speed Passenger Catamarans

Service: Naval Architecture and Vessel DesignService: New Vessel DesignService: Refit Design and EngineeringIndustry: MarineIndustry: GovernmentType: Naval Architecture+7 more

Integrated Design Engineers

Seattle, WA

Passionate - Innovative - Responsive

WebsitePhone1 office4 projects2 leaders4 credentialsUpdated Jun 2026

Project: Seattle Public Utilities North Transfer Station

Service: Building Structure EngineeringService: Building Information ModelingService: Connection DesignIndustry: CommercialIndustry: RetailType: Structural Engineering+20 more

Knutzen Engineering

Kennewick, WA

Innovative Civil Engineering

WebsitePhone1 office9 projects3 leaders5 credentialsFounded 2015

Project: Kennewick High School

Service: Site Civil EngineeringService: Residential Land DevelopmentService: Stormwater ManagementIndustry: EducationIndustry: CommercialType: Civil Engineering+21 more

LPL Consultants, LLC

Vancouver, WA

we DESIGN the STRUCTURE you DREAM

WebsitePhone1 office6 projects6 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: Middle Rd

Service: Structural EngineeringService: New ConstructionService: Remodels & AdditionsIndustry: ResidentialIndustry: Multifamily ResidentialType: Structural Engineering+10 more

Lancaster Mobley

Portland, OR

Oregon's longest-standing independent transportation engineering and planning practice, with over 40 years of industry experience

WebsitePhone3 offices20 projectsUpdated Jun 2026

Project: Commons on the Tualatin

Service: Traffic EngineeringService: Traffic Impact Studies & Transportation Impact AnalysesService: Traffic Signal Warrant & Safety AnalysesIndustry: TransportationIndustry: ResidentialType: Transportation Engineering+21 more

MLA Engineering, LLC

Seattle, WA

Supporting creativity through Structural Engineering for 25 years

WebsitePhone1 office10 projects1 leadersFounded 1999Updated Jun 2026

Project: SeaWorld Abu Dhabi

Service: Structural EngineeringService: New Structural DesignService: Structural Renovation & Seismic RetrofitIndustry: CommercialIndustry: Sports & RecreationType: Structural Engineering+10 more

Monsoon Solutions Inc.

Bellevue, WA

The Northwest's full service PCB company

WebsitePhone1 office3 leaders1 credentialsFounded 2000Size Estimate: 30+ employees

Service detail: PCB Design Services

Service: PCB Design ServicesService: PCB layoutService: Schematic captureIndustry: ElectronicsIndustry: ManufacturingType: Electrical Engineering+26 more

Numerical Advisory Solutions

Cary, NC

Trusted software tools, engineering analysis, and design services for nuclear facilities

WebsitePhone4 officesFounded 1974Updated Jun 2026

Service detail: Software

Service: SoftwareService: PROTO-Series SoftwareService: GOTHIC CodeIndustry: NuclearIndustry: Power GenerationType: Software Engineering+13 more

Orbital Aviation LLC

Redmond, WA

Orbital Aviation is an independent, privately held aviation engineering company headquartered in Redmond, WA, providing engineering and design services to airlines, aerospace OEMs, and MROs worldwide. It offers aircraft avionics design and certification, structural modifications, IFE installation, interior modifications, regulatory approval and STC management (FAA and EASA), virtual maintenance engineering, and a cloud-based computerized maintenance system for airline fleets.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Aircraft Engineering & Design

Service: Aircraft Engineering & DesignService: Cockpit Avionics IntegrationService: Structural Modifications & SubstantiationIndustry: AviationIndustry: AerospaceType: Aviation Engineering+10 more

PH Consulting LLC

Fife, WA

Transportation, Traffic, and Civil Solutions for Public Agencies, Institutions, and Private Developments

WebsitePhone1 office3 projects5 leadersFounded 2016Size Estimate: 11-50 employees

Project: F St Crossing

Service: Traffic Signal & Illumination DesignService: Traffic Signal Design and OperationsService: Accessible Pedestrian Signal UpgradesIndustry: GovernmentIndustry: TransportationType: Civil Engineering+30 more