Public engineering firm directory

Find engineering consulting firms by capability and location.

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ADCOMM Engineering LLC

Woodinville, WA

We Bridge The Gap Between Operations and Technology.

WebsitePhone2 offices1 credentialsUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Public Safety Systems EngineeringService: Communications Network DesignIndustry: Public SafetyIndustry: GovernmentType: Owner's Engineer+30 more

AEGIS Engineering, LLC

Mill Creek, WA

Expert fire protection engineering and building code consulting solutions

WebsitePhone3 offices1 leaders1 credentialsFounded 2006Updated Jun 2026

Service detail: Code Compliance

Service: Code ComplianceService: Hazard AnalysisService: Inspection & CommissioningIndustry: CommercialIndustry: EducationType: Fire Protection Engineering+40 more

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

ATCO Communications Services, LLC

Snohomish, WA

ATCO Communications Services, LLC is a contract engineering firm established in 1978 with headquarters in Snohomish, Washington and a Midwest office in Fort Wayne, Indiana. It specializes in telecom engineering, outside plant (OSP) engineering, permitting, right-of-way and easement services, geospatial services, and joint-use support for private and public markets nationwide.

WebsitePhone3 officesFounded 1978Updated Jun 2026

Service detail: Telecom Engineering

Service: Telecom EngineeringService: OSP EngineeringService: PermittingIndustry: TelecommunicationsIndustry: InfrastructureType: Telecom / RF Engineering+5 more

Adams Morgenthaler Co Inc

Anchorage, AK

Blending building systems with architecture.

Website2 offices7 leadersFounded 1981Updated Jun 2026

Service detail: Electrical Design

Service: Mechanical SystemsService: Electrical DesignService: Specialty LightingIndustry: CommercialIndustry: EducationType: Forensic Engineering+13 more

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

Alliant Systems

Portland, OR

Alliant Systems is an integrated mechanical engineering and construction firm headquartered in Portland, Oregon, with offices in Eugene and Bend, Oregon, and Seattle, Washington. Founded approximately 25 years ago, Alliant provides in-house mechanical systems engineering, mechanical construction, HVAC and plumbing service, building automation, and energy consulting for commercial, institutional, and light-industrial clients across Oregon and Washington. The firm is known for a true design-build process that integrates engineers, project managers, and field personnel from concept through commissioning, and all principal engineers are LEED-certified.

WebsitePhone4 offices1 leadersUpdated Jun 2026

Service detail: Mechanical Systems Engineering

Service: Mechanical Systems EngineeringService: Design-Build Mechanical EngineeringService: BIM & Virtual Design and Construction (VDC)Industry: CommercialIndustry: HealthcareType: MEP+11 more

Alpine Engineering, LLC

Bellingham, WA

Your Vision, Our Commitment - Built to Last in Whatcom, Skagit, and Beyond

WebsitePhone1 office8 projects1 leadersFounded 2020Size Estimate: 1-25 employees

Project: Bellingham Fountain District Mixed-Use Building

Service: Structural EngineeringService: Foundation Design and EngineeringService: Wood Frame Structural DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Structural Engineering+18 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

Anderson Design Consultants, Inc.

Mesa, AZ

Fresh ideas from dedicated water and wastewater experts.

WebsitePhone2 offices3 leadersUpdated Jun 2026

Service detail: Wastewater Engineering

Service: Wastewater EngineeringService: Wastewater Treatment DesignService: Wastewater Collection System DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+12 more

Anderson Perry & Associates, Inc.

La Grande, OR

Anderson Perry & Associates, Inc. (AP) is a full-service civil engineering firm serving eastern Oregon and eastern Washington since 1975. With nearly 100 employees and five office locations, AP provides water and wastewater system design, transportation, bridges, site development, flood reduction, irrigation, surveying, GIS, environmental and permitting, construction engineering, water rights, and cultural resources management services to public entities and communities throughout the region.

WebsitePhone5 offices1 projects4 credentialsFounded 1975Updated Jun 2026

Project: City of Prineville Wastewater System Improvements

Service: Water SystemsService: Drinking WaterService: Water RightsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+31 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

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

Associated Earth Sciences Inc

Kirkland, WA

Integrated geotechnical engineering, geophysics, and hydrogeology consulting in the Pacific Northwest.

WebsitePhone2 offices7 projects61 leaders4 credentialsFounded 1981

Project: Bellevue Fire Station #10

Service: Geotechnical EngineeringService: Geotechnical Engineering StudiesService: Retaining Wall DesignIndustry: GovernmentIndustry: Public SafetyType: Geotechnical Engineering+35 more

BC Engineering Services

Lakewood, WA

10 Years Serving Our Community

WebsitePhone1 office9 projectsUpdated Jun 2026

Project: Retreat Meadows

Service: Land SurveyingService: Boundary SurveysService: Topographical SurveysIndustry: CommercialIndustry: ResidentialType: Civil Engineering+29 more

BEE Engineers

Edmonds, WA

Designing Buildings For a Resilient & Healthy Future

WebsitePhone2 offices2 leaders4 credentialsFounded 1999Updated Jun 2026

Service detail: Building Envelope Consulting

Service: Building Envelope ConsultingService: Building Envelope TestingService: RemediationIndustry: GovernmentIndustry: EducationType: Mechanical Engineering+12 more

BHC Consultants

Seattle, WA

Innovative engineering, planning, and code compliance solutions for Pacific Northwest communities

WebsitePhone3 offices12 projectsFounded 2006Updated Jun 2026

Project: Edmonds 2023 Climate Action Plan

Service: EngineeringService: Wastewater EngineeringService: Drinking Water EngineeringIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+21 more

BW Software US Corp

Bellevue, WA

BW Software US Corp is a technology delivery and professional services firm that applies systems engineering, data analytics, cybersecurity, and intelligent automation to infrastructure and operational programs for public and private sector clients. Operating from Bellevue, Washington, its capabilities center on enabling coordinated, data-driven execution across complex multi-stakeholder program environments where infrastructure, technology, and program delivery intersect.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Data and AnalyticsService: CybersecurityIndustry: InfrastructureIndustry: GovernmentType: Software Engineering+1 more

Baer Testing and Engineering, Inc.

Yakima, WA

Baer Testing and Engineering, Inc. is a Central Washington geotechnical engineering and construction materials testing firm established in 2005, with offices in Yakima and Kennewick, WA. The firm provides geotechnical engineering, construction materials testing, and special inspection services across the Pacific Northwest, guiding clients from initial site explorations through final construction with prompt, accurate, and reliable deliverables.

WebsitePhone2 offices3 credentialsFounded 2005Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Slope stability analysisService: Erosion control and drainage designIndustry: InfrastructureIndustry: Land DevelopmentType: Geotechnical Engineering+15 more

Baird & Associates

Oakville, ON

Innovation Engineered.®

WebsitePhone14 offices2 projects2 leaders2 credentials2 publications

Project: Gibraltar Point Nearshore Reef Design

Service: Ports, Terminals & Vessel OperationsService: Port & Terminal PlanningService: Port & Terminal DesignIndustry: Ports & HarborsIndustry: MarineType: Coastal Engineering+38 more

Barr Engineering Co.

Minneapolis, MN

Designing What's Next

WebsitePhone18 offices6 projects1 leaders1 credentials1 publications

Project: Utility-Scale BESS Engineering and Design

Service: Engineering and DesignService: Mine Tailings Management EngineeringService: Mineral Processing and Plant DesignIndustry: MiningIndustry: Power GenerationType: Civil Engineering+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

Bethel Engineering & Consulting

Bethel, AK

Bethel Engineering & Consulting is an environmental consulting and engineering subsidiary of the Bethel Native Corporation (BNC), an Alaska Native Corporation founded in 1973. Operating as part of BNC's integrated family of companies, Bethel Engineering provides a broad range of professional consulting services in environmental science and engineering, including environmental assessment and investigation, environmental compliance, and environmental engineering. It serves federal clients including the FAA, US Air Force, US Army, US Navy, US Coast Guard, Army and Air National Guard, and Bureau of Land Management. BNC subsidiaries are headquartered in Anchorage, Alaska with strategic presences in San Diego and Seattle, and operate throughout North America and select locations in Asia and Europe.

Website4 officesFounded 1973Updated Jun 2026

Service detail: Engineering & Environmental Consulting

Service: Engineering & Environmental ConsultingService: Environmental Assessment & InvestigationService: Environmental ComplianceIndustry: FederalIndustry: DefenseType: Environmental Engineering+17 more

Blue Coast Engineering LLC

Lake Forest Park, WA

Coastal Engineering and Restoration Services

Website2 offices6 projects9 leadersFounded 2018Size Estimate: 1-25 employeesUpdated Jun 2026

Project: Tidal Channel Design Guidelines Study

Service: Coastal Restoration and ResiliencyService: Hydrodynamic, Wave, and Sediment Transport ModelingService: Numerical Flow SimulationIndustry: GovernmentIndustry: Land DevelopmentType: Coastal Engineering+17 more