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.

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7 Oaks Engineering

Silverton, OR

Harmonizing the built environment with the natural.

WebsitePhone2 offices4 leaders3 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Due Diligence and Feasibility StudiesService: Entitlement and Conceptual DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+24 more

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

ABD Engineering & Design

Grand Rapids, MI

Acoustics, noise, vibration & audio-visual systems

Website2 officesFounded 1962Updated Jun 2026

Service detail: Architectural Acoustics

Service: Architectural AcousticsService: Acoustical DesignService: Acoustical EngineeringIndustry: AgricultureIndustry: Arts & CultureType: Acoustic Consulting+20 more

ADP Resources

Dallas, OR

Engineering Services: Agility. Accuracy. Integrity.

WebsitePhone1 office8 leadersFounded 2012Updated Jun 2026

Service detail: Outside and Inside Plant Services

Service: Outside and Inside Plant ServicesService: Makeready Engineering NESC and GO95Service: Outside Plant EngineeringIndustry: TelecommunicationsIndustry: UtilitiesType: Telecom / RF Engineering+27 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996Size Estimate: 600+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design & GradingService: UtilitiesIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+35 more

AQUA Engineering

Bountiful, UT

Innovative Engineering Solutions

WebsitePhone3 offices6 projects59 leadersFounded 1992Updated Jun 2026

Project: Town of Johnstown Central Water Reclamation and Resource Recovery Facility Expansion

Service: Water EngineeringService: Wastewater EngineeringService: Designs Advanced Wastewater Treatment FacilitiesIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+16 more

AZH Engineers

Portland, OR

A Small-Team Approach to Big Engineering Challenges

WebsitePhone1 office4 projectsFounded 2000Updated Jun 2026

Project: Phoenix Children's Hospital

Service: New Buildings, Retrofits & AdditionsService: Seismic Bracing & AnchorageService: BIM & Shop DrawingsIndustry: HealthcareIndustry: EducationType: Structural Engineering+6 more

Adkins Engineering and Surveying

Klamath Falls, OR

Serving S. Oregon and N. California Since 1983

Website1 office6 projects3 leaders3 credentialsFounded 1983Size Estimate: 15-25 employees

Project: Klamath Irrigation District - C-Flume Replacement

Service: Civil EngineeringService: Land Development PlanningService: Transportation SystemsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+37 more

Advanced Remediation Technologies, Inc.

Canby, OR

Advanced Remediation Technologies, Inc. (ART) is based in Canby, Oregon, and specializes in environmental management, civil engineering, geotechnical engineering, and design-build construction services.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Environmental Engineering

Service: Environmental EngineeringService: Environmental ConsultingService: Civil EngineeringIndustry: Environmental & RemediationType: Civil Engineering+5 more

Aegis

Silver Spring, MD

Keeping Construction Projects on Track

WebsitePhone8 offices5 projects7 leadersFounded 2006Updated Jun 2026

Project: Reagan National Airport

Service: Planning & SchedulingService: CPM Schedule DevelopmentService: Schedule Analytics, Quality Control, and KPI AnalysisIndustry: InfrastructureIndustry: AirportsType: Owner's Engineer+29 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

Allen Construction Management Services Northwest, LLC

Portland, OR

Established in 2013 by Laurie Allen and Monique Allen, Allen Construction Management Services Northwest, LLC (ACMS Northwest) is an Oregon-based civil engineering and construction management practice. It provides professional services for public agencies and private-sector clients, with experience on major Pacific Northwest projects such as the City of Portland Secondary Treatment Expansion Program, Port of Portland PDXNEXT, and ODOT I-205 Abernethy Bridge.

WebsitePhone1 office3 projects7 leadersFounded 2013Updated Jun 2026

Project: Secondary Treatment Expansion Program

Service: Design-BuildService: Program ManagementService: Program SchedulingIndustry: GovernmentIndustry: FederalType: Civil Engineering+43 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

Altman Browning & Company

Portland, OR

Comprehensive engineering services grounded in strict adherence to international and industry-specific standards.

WebsitePhone1 office5 credentialsFounded 1990Updated Jun 2026

Service detail: Engineering Design & Analysis

Service: Engineering Design & AnalysisService: Heavy Industrial Machine DesignService: Complex 3D CAD ModelingIndustry: IndustrialIndustry: ManufacturingType: Mechanical Engineering+12 more

Amodeo Structural Engineering

Portland, OR

Amodeo Structural Engineering is a structural consulting firm based in Portland, Oregon, providing structural consulting, analysis, design, construction engineering observation, and administration services. The practice serves commercial, residential, and municipal clients primarily in the Pacific Northwest, with project experience spanning laboratories, schools, churches, art installations, banks, country clubs, office buildings, retail strips, pedestrian structures, and park site structures. Principal Richard J. Amodeo, SE, brings deep experience in both traditional building design and construction engineering, the combination of which informs practical, cost-effective structural solutions.

Website1 office1 leadersUpdated Jun 2026

Service detail: Structural Consulting, Analysis & Design

Service: Structural Consulting, Analysis & DesignService: Seismic Analysis & UpgradesService: Construction EngineeringIndustry: CommercialIndustry: EducationType: Structural Engineering+4 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 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

Applied Geotechnical Engineering & Geologic Consulting LLC

Medford, OR

Applied Geotechnical Engineering & Geologic Consulting LLC (AGEGC) is a geotechnical engineering firm founded in 2005 by Robin L. Warren, P.E., G.E., R.G. and based in Medford, OR. AGEGC specializes in geotechnical investigations for foundation design, retaining walls, slope stability, and seismic studies, and serves clients across Oregon, California, and the Pacific Northwest. Warren brings over 20 years of geotechnical and geologic experience, including forensic engineering, construction observation, and expert testimony for a wide range of public and private clients.

WebsitePhone1 office4 projects1 leaders4 credentialsFounded 2005

Project: Jackson County Bridge Replacements

Service: Geotechnical InvestigationsService: Foundation DesignService: Deep FoundationsIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+21 more

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects3 credentialsFounded 1978Size Estimate: 25-50 employees

Project: Town of Windsor SCADA System

Service: Electrical EngineeringService: Lighting Design and ModelingService: Power System StudiesIndustry: WastewaterIndustry: Water SupplyType: Automation & Controls+33 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

Ask Energy Inc

Carlsbad, CA

Building a Greener Future Together.

WebsitePhone7 offices13 leadersFounded 2017Size Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Energy Analysis and Engineering

Service: Energy Analysis and EngineeringService: Energy AuditsService: Energy ModelingIndustry: CommercialIndustry: EducationType: Power & Utility Engineering+9 more

Atwell

Southfield, MI

We create solutions for the built environment.

Website18 offices12 projects6 leaders8 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Walmart Metro Atlanta Drone Delivery Operations Support

Service: Program & Development ServicesService: Program ManagementService: Owner's Representative ServicesIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+38 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

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