Public engineering firm directory

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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

Ashley & Vance Engineering

San Luis Obispo, CA

Shaping the communities that we call home.

WebsitePhone9 offices7 projectsFounded 2005Size Estimate: 100-150 employeesUpdated Jun 2026

Project: Fountaingrove Passive House

Service: Structural EngineeringService: Cast-in-Place ConcreteService: Post-Tensioned ConcreteIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+31 more

BECON

Bend, OR

Create, enhance, sustain.

WebsitePhone1 office6 projects3 leaders1 credentialsFounded 2012

Project: The Box Factory

Service: Civil EngineeringService: Stormwater DesignService: Grading and DrainageIndustry: InfrastructureIndustry: Highways & RoadsType: Civil Engineering+31 more

C A Rowles Engineering & Design

Bend, OR

C A Rowles Engineering & Design is a civil engineering and building design firm founded in July 2004 in Central Oregon. Holding professional engineering licenses in Oregon, Idaho, and California, C A Rowles specializes in land use planning, civil engineering, and building design for projects ranging from residential subdivisions to commercial, industrial, and religious facilities. With over 700 projects completed since founding, C A Rowles serves clients throughout Central Oregon, Oregon, Idaho, and Washington.

WebsitePhone1 office1 credentialsFounded 2004Updated Jun 2026

Service detail: Land Use Planning

Service: Land Use PlanningService: Civil EngineeringService: Roadway designIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+12 more

Cascade Integration & Development, Inc.

Bend, OR

Cascade Integration & Development, Inc. is a Bend, Oregon-based control systems integration firm serving West Coast utilities, manufacturers, and process industries since 2004. It delivers custom automation solutions, PLC and HMI programming, SCADA upgrades, MES integration, panel design and fabrication, and OT cybersecurity support for water, wastewater, manufacturing, food and beverage, pharmaceutical, chemicals, utilities, and oil and gas operations.

WebsitePhone1 officeFounded 2004Updated Jun 2026

Service detail: Control Systems Integration

Service: Control Systems IntegrationService: PLC ProgrammingService: HMI ProgrammingIndustry: Automation & ControlsIndustry: ManufacturingType: Automation & Controls+16 more

Century West Engineering Corporation

Bend, OR

Design | Community | Solutions

WebsitePhone3 offices5 leadersFounded 1969Updated Jun 2026

Service detail: Municipal Planning & Engineering

Service: Municipal Planning & EngineeringService: WaterService: WastewaterIndustry: GovernmentIndustry: AviationType: Civil Engineering+22 more

ColeBreit Engineering

Bend, OR

Quality. Integrity. Expertise.

WebsitePhone6 offices1 leaders2 credentialsFounded 2013Size Estimate: 10-50 employees

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC system designService: Indoor air quality (IAQ) and advanced ventilationIndustry: EducationIndustry: HealthcareType: Fire Protection Engineering+45 more

Cushing Terrell

Billings, MT

Imagine. Create. Improve.

WebsitePhone17 offices7 projects2 leaders4 credentialsFounded 1938

Project: Google Henderson Hub

Service: ArchitectureService: Historic PreservationService: Adaptive ReuseIndustry: CommercialIndustry: EducationType: Architecture & Engineering+38 more

Evren Northwest, Inc.

Portland, OR

Evren Northwest, Inc. (ENW) is a Pacific Northwest environmental and natural resources consulting firm founded in 1998 and based in Portland, Oregon. ENW specializes in natural resource and environmental investigations, regulatory compliance and permitting, cleanup and remediation, hydrogeologic and geotechnical studies, and assessment of human health and ecological risk. Founded by a former environmental regulator, it serves commercial and residential developers, banks, real estate transaction parties, healthcare organizations, industrialists, and other public and private clients across Oregon and California.

Website3 officesFounded 1998Updated Jun 2026

Service detail: Environmental Compliance & Permitting

Service: Environmental Compliance & PermittingService: Stormwater ComplianceService: Wastewater ComplianceIndustry: Environmental & RemediationIndustry: Land DevelopmentType: Environmental Engineering+30 more

Froelich Engineers, Inc.

Portland, OR

Creative Civil and Structural Engineering

Website3 officesFounded 1983Updated Jun 2026

Service detail: Specialty Structural Consulting

Service: Civil EngineeringService: Structural EngineeringService: Specialty Structural ConsultingIndustry: CommercialIndustry: EducationType: Civil Engineering+9 more

HWA, Inc.

Bend, OR

Hickman, Williams & Associates, Inc. (HWA) is the premier civil engineering, land-use planning, and surveying firm in Central Oregon, established in Bend, Oregon in 1987. HWA provides cost-effective services spanning civil engineering, land-use planning, water rights, project management, surveying, and construction management across Bend, the greater Central Oregon region, and the Pacific Northwest.

WebsitePhone1 office3 leadersFounded 1987Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Cost-effectiveService: AccurateIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+15 more

Harper Houf Peterson Righellis Inc

Portland, OR

An integrated multi-disciplinary engineering, planning, and surveying practice.

WebsitePhone5 offices3 projects11 leaders1 credentialsFounded 1990

Project: Farmington Road Improvements

Service: Civil EngineeringService: Public Civil EngineeringService: Private Civil EngineeringIndustry: GovernmentIndustry: TransportationType: Civil Engineering+25 more

Hobbes Engineering LLC

Bend, OR

Robust and effective engineering solutions to complex problems

Website1 office1 leaders2 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Machine Design and 3D CAD

Service: Machine Design and 3D CADService: Machine WorksService: Sheet Metal DesignIndustry: IndustrialIndustry: ManufacturingType: Mechanical 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

JL Donahue Engineering, Inc.

Bend, OR

JL Donahue Engineering, Inc. is a geotechnical and seismic engineering firm founded in 2017 and based in Bend, Oregon. Led by Dr. Jennifer L. Donahue, it provides probabilistic and deterministic seismic hazard analysis, site response analysis, liquefaction and slope stability assessments, foundation design, and independent peer review for clients ranging from small businesses to major utilities. Dr. Donahue is an active researcher and member of post-earthquake reconnaissance teams, and serves on dam safety and ground motion advisory boards.

WebsitePhone1 office3 projects1 leaders3 credentialsFounded 2017

Project: Pit 3 Dam Probabilistic Fault Displacement Hazard Assessment

Service: Seismic Hazard AnalysisService: Probabilistic Seismic Hazard Analysis (PSHA)Service: Deterministic Seismic Hazard Analysis (DSHA)Industry: Power GenerationIndustry: Water ResourcesType: Geotechnical Engineering+11 more

Keller Associates

Beaverton, OR

Growing people, communities, and possibilities.

Website12 offices6 projectsSize Estimate: 201+ employeesUpdated Jun 2026

Project: Amity's Comprehensive Water Treatment System Upgrades

Service: Water & Wastewater EngineeringService: Water Treatment SystemsService: Wastewater Treatment PlantsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+14 more

Kittelson & Associates

Orlando, FL

Transforming how communities move

WebsitePhone31 offices6 projects3 publicationsFounded 1984Size Estimate: 200-500 employees

Project: Lancaster County Freight Infrastructure Prioritization

Service: Transportation PlanningService: Corridor and regional studiesService: Freight planning and infrastructure prioritizationIndustry: GovernmentIndustry: FederalType: Transportation Engineering+44 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

Larkin Structural Engineering, LLC

Bend, OR

Providing structural engineering services that exceed your expectations.

WebsitePhone1 office1 leadersFounded 2020Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Residential design (new construction, additions, remodels)Service: Commercial design (new construction, additions, remodels)Industry: ResidentialIndustry: CommercialType: Structural Engineering+2 more

Parametrix

Seattle, WA

Let's create tomorrow, together

Website15 offices5 projects9 leaders3 credentialsFounded 1969Updated Jun 2026

Project: Quincy Square on Fourth Street

Service: Advisory ServicesService: Climate Change & ResiliencyService: Electrical EngineeringIndustry: GovernmentIndustry: TransportationType: Electrical Engineering+24 more

Solera MEP Engineering Design Services

Bend, OR

Solera MEP Engineering Design Services is a mechanical, electrical, and plumbing engineering firm based in Bend, Oregon, founded in 2017. Serving public and private clients throughout Central Oregon and the Eugene metropolitan area, Solera has grown from a sole proprietor practice to a team of five professionals and is actively developing in-house fire sprinkler system design capabilities. Owner and President Roger Whitaker, P.E. leads delivery of value-engineered MEP designs for construction, commercial, residential, manufacturing, energy, and government clients.

WebsitePhone1 office1 leadersFounded 2017Size Estimate: 5 employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Electrical EngineeringService: Plumbing EngineeringIndustry: CommercialIndustry: ResidentialType: MEP+3 more

Stone Security Engineering, PC

New York, NY

Applied Knowledge

WebsitePhone3 offices3 leaders4 credentials3 publicationsSize Estimate: 1-50 employees

Service detail: Consulting and Design

Service: Consulting and DesignService: Security Design AnalysisService: Planning and Master PlanningIndustry: CommercialIndustry: GovernmentType: Structural Engineering+25 more

Sun Country Engineering & Surveying, Inc.

Bend, OR

Surveying Central Oregon since 1976

WebsitePhone1 office5 projectsFounded 1976Updated Jun 2026

Project: Grizzly Ridge Phase 2

Service: Land SurveyingService: Topographic SurveysService: Boundary SurveysIndustry: ResidentialIndustry: Land DevelopmentType: Civil Engineering+32 more

Systems West Engineers Inc

Springfield, OR

Elevating The Built Environment

WebsitePhone3 offices7 projects7 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Corvallis School District Bond Projects

Service: MEP DesignService: Mechanical Systems DesignService: Electrical Systems DesignIndustry: EducationIndustry: GovernmentType: MEP+21 more