Public engineering firm directory

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CivTech

Scottsdale, AZ

Quality, integrity, and technical expertise providing innovative engineering solutions for traffic, transportation planning, and design.

WebsitePhone3 offices12 projects7 leadersFounded 2002Size Estimate: 5-25 employees

Project: Palisene Traffic Impact Analysis

Service: Traffic EngineeringService: Traffic Impact Analysis StudiesService: Traffic Control PlansIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+46 more

Elite Transportation Group

Quality. Integrity. Reliability.

Website5 projects4 leaders1 publicationsFounded 2018Size Estimate: 1-10 employeesUpdated Jun 2026

Project: BART New Transbay Rail Crossing

Service: Transportation PlanningService: Statewide, Regional, and Corridor PlanningService: Transit PlanningIndustry: Freight & LogisticsIndustry: GovernmentType: Transportation Engineering+21 more

Gradient Systematics

Dallas, TX

Traffic solutions for sustainable success

WebsitePhone1 officeSize Estimate: 5-20 employeesUpdated Jun 2026

Service detail: Traffic & Revenue Studies

Service: Traffic & Revenue StudiesService: Toll facility feasibility studiesService: Traffic and revenue forecastingIndustry: Highways & RoadsIndustry: TransportationType: Transportation Engineering+19 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

Southwest Traffic Engineering, LLC

Phoenix, AZ

Focused Traffic Engineering Design and Transportation Planning Services

WebsitePhone1 office1 leaders2 credentialsFounded 2003Updated Jun 2026

Service detail: Traffic Engineering Design

Service: Traffic Engineering DesignService: Traffic Signal SystemsService: Roadway Signing and Pavement MarkingIndustry: TransportationIndustry: GovernmentType: Transportation Engineering+16 more

TJKM

Pleasanton, CA

Integrated Transportation Systems

Website3 offices6 projects5 leadersFounded 1974Updated Jun 2026

Project: City of Livermore Traffic Impact Fee Update and Intersection Improvement Study

Service: Transportation PlanningService: Bicycle & Pedestrian PlanningService: Complete StreetsIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+27 more

TJW Engineering

Every Project Matters. Every Solution is Built with Purpose.

Website6 projects3 leaders4 credentialsFounded 2010Updated Jun 2026

Project: North Downtown Bellflower Parking Analysis

Service: Traffic Engineering & OperationsService: Traffic Signal Design & OperationsService: Active Transportation Analysis & DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+29 more

TrafInfo Communications, Inc.

Woburn, MA

Transportation consulting and wireless traffic monitoring solutions

WebsitePhone1 office6 leaders4 credentialsFounded 2000Size Estimate: 1-10 employees

Service detail: Transportation Consulting

Service: Transportation ConsultingService: Traffic Impact and Access StudiesService: Travel Demand ModelingIndustry: TransportationIndustry: GovernmentType: Transportation Engineering+9 more

W & S Solutions, LLC

TransBrain360 Technology Platform and Transportation Consulting Services

Website12 projects7 credentialsFounded 2009Updated Jun 2026

Project: Traffic Data Monitoring with AI Technology

Service: Data Collection and MonitoringService: Traffic Camera and Count CollectionService: AI Data AnalyticsIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+25 more

Wetherill Engineering, Inc.

Raleigh, NC

Providing quality work through dedication, thoroughness, and technical excellence.

WebsitePhone3 offices4 projects3 leaders1 credentialsFounded 1993

Project: Wilcox Bridge Inspections and Repair Recommendations

Service: Transportation / Roadway EngineeringService: Roadway designService: Highway and freeway designIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+50 more