Public engineering firm directory

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AIM Engineering Consultants, Inc.

Pleasanton, CA

Best-In-Class Engineering Expertise

WebsitePhone1 office3 projects1 leadersUpdated Jun 2026

Project: Fremont Blvd/Old Warm Springs Blvd - New Signal

Service: Civil EngineeringService: Municipal Plan CheckingService: Plans, Specifications, and Estimates (PS&E)Industry: TransportationIndustry: Highways & RoadsType: Civil Engineering+41 more

AYCE Consulting Engineers, Inc.

Santa Ana, CA

Large Firm Expertise Small Firm Values

Website1 office1 leadersFounded 2015Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Complete Street Design (Rural and Urban)Service: Freeway System Interchange DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+23 more

Chen Ryan Associates, Inc.

San Diego, CA

Innovative Mobility Solutions For Our Changing World

WebsitePhone2 officesFounded 2011Size Estimate: 50-100 employeesUpdated Jun 2026

Service detail: Civil and Traffic Engineering Design

Service: Civil and Traffic Engineering DesignService: Park and Recreation DesignService: Bicycle and Pedestrian DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+36 more

DKS Associates

Oakland, CA

Shaping a Smarter Transportation Experience

Website8 offices7 projects1 leaders22 credentials4 publicationsFounded 1979

Project: Bellevue Downtown Multimodal Plan

Service: Transportation Planning & AnalysisService: Multimodal Corridor StudiesService: Traffic Impact StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+58 more

RY Engineering Inc.

Aliso Viejo, CA

Transportation and Traffic Engineering Solutions for California Public Agencies

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Signal Timing and System Operations

Service: Signal Timing and System OperationsService: Timing Plan DevelopmentService: System OptimizationIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+15 more

Reid Middleton, Inc.

Everett, WA

People Engineering for People.

WebsitePhone3 offices1 projects1 credentialsFounded 1953Size Estimate: 600 employees

Project: Burj Khalifa Seismic Design

Service: Airport EngineeringService: Civil EngineeringService: Roadway and Utility InfrastructureIndustry: AviationIndustry: AirportsType: Civil Engineering+32 more

Sanbell

Billings, MT

Intelligent Infrastructure. Enduring Communities.

WebsitePhone14 offices2 leaders2 credentialsFounded 1969Size Estimate: 201-500 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Site DevelopmentService: Grading and DrainageIndustry: Land DevelopmentIndustry: InfrastructureType: Civil Engineering+57 more

Shen and Associates, LLC

Arcadia, CA

Expert Insights in Transportation Infrastructure

WebsitePhone1 officeFounded 2022Updated Jun 2026

Service detail: Multimodal Transportation Planning

Service: Multimodal Transportation PlanningService: Integrates Various Transportation Modes To Deliver PracticalService: Efficient ConnectivityIndustry: TransportationIndustry: Freight & LogisticsType: Transportation Engineering+21 more

Toole Design

Silver Spring, MD

Groundbreaking Work That Moves People

Website18 offices4 projects4 leadersFounded 2003Size Estimate: 300-500 employeesUpdated Jun 2026

Project: AASHTO Guide for the Development of Bicycle Facilities

Service: EngineeringService: Conceptual DesignService: Construction AdministrationIndustry: GovernmentIndustry: FederalType: Civil Engineering+40 more

Urban Engineers Inc

Philadelphia, PA

Be Part of Something Bigger

WebsitePhone14 offices7 projects7 leaders4 credentialsFounded 1960

Project: I-78/SR 61 Bridge Replacement and Interchange Reconstruction

Service: PlanningService: Multimodal Circulation PlanningService: Bicycle & Pedestrian PlanningIndustry: AviationIndustry: BridgesType: Civil Engineering+47 more