Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

Filters2

AM Power Solutions & Services LLC

Liberty Lake, WA

AM Power Solutions & Services LLC is an engineering and consulting practice specializing in tailored power and automation solutions. It serves power generation, utility, and industrial clients with a team of field-experienced engineers. In addition to traditional utility networks, the practice possesses specialized experience in isolated power systems and microgrid applications.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Substation and Plant Installations

Service: Substation and Plant InstallationsService: Plant InstallationsService: Substation InstallationsIndustry: Power GenerationIndustry: UtilitiesType: Automation & Controls+28 more

Casne Engineering, Inc.

Bellevue, WA

Supporting America's Infrastructure

Website1 office3 projects1 publicationsFounded 1981Size Estimate: 100-200 employeesUpdated Jun 2026

Project: Natural Gas Turbine Fleet Monitoring

Service: Electrical EngineeringService: Medium and low voltage equipment and distribution systemsService: Primary and secondary unit substationsIndustry: AerospaceIndustry: Data CentersType: Automation & Controls+50 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

ER Electrical Engineering, PLLC

Lynwood, WA

Professional Electrical Engineers

WebsitePhone1 office4 projectsUpdated Jun 2026

Project: Aerator Motor Replacement

Service: Power Distribution DesignService: Low-Voltage Power DistributionService: Medium-Voltage Power DistributionIndustry: CommercialIndustry: IndustrialType: Electrical Engineering+20 more

Sixty Mountain, PLLC

Kennewick, WA

Electrical consulting services

WebsitePhone1 office3 projects1 leadersUpdated Jun 2026

Project: Substation Commissioning Support

Service: Substation ServicesService: Panel Layout and DesignService: Ground and Lightning DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+43 more

The Engineering Partners Inc

San Diego, CA

Engineering a Better World

WebsitePhone2 offices2 projects9 leadersFounded 1985Size Estimate: 150+ employees

Project: City of San Diego Block 4Y Dry Utilities Undergrounding

Service: Electric Distribution Engineering & DesignService: Electric System ReliabilityService: New Business & Development SupportIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+35 more

Toth and Associates

Springfield, MO

Full-service consulting engineering specializing in electric utility engineering, structural engineering, civil engineering, land surveying, and GIS.

WebsitePhone5 offices10 leaders1 credentialsFounded 2003Size Estimate: 150-250 employees

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Electrical System PlanningService: Electrical Substation DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Civil Engineering+38 more

United ECM

Sacramento, CA

United ECM specializes in the technical delivery oversight of major high-speed and electrified transit systems. The practice serves as owner's engineer, contractor's partner, construction manager, and program manager for rail electrification, traction power, and systems integration projects across the United States. Its in-house design team provides final engineering design, traction power load-flow simulations, and 3D BIM virtual reality models, drawing on experience from major programs including California High-Speed Rail and the Caltrain Peninsula Corridor Electrification Project.

WebsitePhone5 offices8 projects10 leaders2 credentialsSize Estimate: 1-25 employees

Project: Metro Purple Line Extension Section 3 Stations Design-Build

Service: Program and Project ManagementService: Comprehensive project planning and schedulingService: Budget management and cost controlIndustry: RailIndustry: TransitType: Owner's Engineer+31 more

Wilson Engineering

Bellingham, WA

Providing civil engineering and land surveying since 1967.

WebsitePhone4 offices12 projects1 leadersFounded 1967Updated Jun 2026

Project: Moses Lake Wastewater Treatment Plants

Service: Civil EngineeringService: Engineering DesignService: Engineering ReportsIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+28 more