Public engineering firm directory

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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

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

Clarity Engineering LLC

Seattle, WA

Geotechnical consulting delivered with clarity, integrity, and genuine teamwork.

Website1 office6 projects2 leadersUpdated Jun 2026

Project: 8th Ave NW Bridge Seismic Retrofit

Service: Seismic and Numerical AnalysisService: Earthquake Engineering and Site ResponseService: Static and Dynamic Soil ModelingIndustry: InfrastructureIndustry: CommercialType: Geotechnical Engineering+14 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

HWA GeoSciences Inc.

Bothell, WA

Dedicated to Providing Smart Geotechnical Solutions for Our Communities and Our Planet

WebsitePhone1 office13 projects3 leaders5 credentialsFounded 1978

Project: Scriber Lake Park Boardwalk

Service: Geotechnical EngineeringService: Foundation EngineeringService: Slope Stability & Slide StabilizationIndustry: GovernmentIndustry: FederalType: Geotechnical Engineering+42 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

John A. Martin & Associates, Inc.

Los Angeles, CA

Structural Solutions Driven by Technology, Experience & Collaboration

WebsitePhone6 offices10 projects84 leaders1 credentialsFounded 1953

Project: Disney Concert Hall

Service: Structural EngineeringService: Seismic Evaluations and RetrofitsService: Computational DesignIndustry: AviationIndustry: EducationType: Structural Engineering+16 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

Leslie Engineering, LLC

Yakima, WA

Leslie Engineering provides civil and structural engineering consulting services to architects, developers, contractors, municipalities, and building owners in the Yakima Valley and throughout the Pacific Northwest. Founded in September 2009 by Matt Leslie, it added a civil engineering department in 2015 when Daniel Sumerfield joined as principal, expanding Leslie Engineering's capabilities to cover the full range of structural and civil project types from residential to municipal facilities.

Website1 office2 leadersFounded 2009Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Civil EngineeringService: Single-family and multi-family residential facilities planning and designIndustry: ResidentialIndustry: CommercialType: Civil Engineering+14 more

V+M Structural Design, Inc.

Seattle, WA

Creative solutions for bridges and other structures.

Website3 offices8 projects2 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Stawamus Chief Pedestrian Bridge

Service: Bridge Planning and DesignService: Pedestrian bridge designService: Roadway bridge designIndustry: BridgesIndustry: TransportationType: Structural Engineering+8 more

Walker Consultants

Chicago, IL

Bringing Life to the Built Environment

Website26 offices4 publicationsFounded 1965Size Estimate: 500+ employeesUpdated Jun 2026

Service detail: Parking Design

Service: Parking DesignService: Functional DesignService: Architecture DesignIndustry: AviationIndustry: ResidentialType: Forensic Engineering+44 more