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.

Filters1

A&F Engineering

Indianapolis, IN

Distinguished Transportation & Site Engineering

WebsitePhone1 office1 leadersFounded 1966Updated Jun 2026

Service detail: Traffic Engineering

Service: Traffic EngineeringService: Traffic Impact StudiesService: Capacity AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+15 more

C2 Consulting Collective

San Diego, CA

Mobility & Technology in Transportation

WebsitePhone1 office3 projects4 leaders5 credentialsSize Estimate: 1-10 employees

Project: Petco Park Gallagher Square 20th Anniversary

Service: Transportation Planning and EnvironmentalService: Vehicle Miles Traveled AnalysisService: CEQA and NEPA SupportIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+56 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

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

Civotec LLC

Houston, TX

Where Insight Matters

WebsitePhone3 offices3 credentialsFounded 2022Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Traffic Impact Analysis

Service: Traffic Impact AnalysisService: Traffic Impact Studies & AnalysesService: Trip Generation & DistributionIndustry: Land DevelopmentIndustry: InfrastructureType: Civil Engineering+40 more

Concord Engineering, Inc.

Bellevue, WA

Planning + Operations + Design

WebsitePhone2 offices12 projectsSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Seattle Multimodal Terminal at Colman Dock

Service: Transportation PlanningService: Transit Planning & OperationsService: Corridor StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+37 more

DAMA Consultants, Inc.

Chicago, IL

Transportation Engineering, Traffic Engineering, and Transportation Planning

WebsitePhone1 office7 projects17 credentials2 publicationsFounded 2010

Project: IDOT District 1 Databank Management Consultant (IHIS)

Service: Traffic Planning and EngineeringService: Traffic Signal Design and TimingService: Traffic Forecasting and Impact AssessmentsIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+26 more

French Engineering, LLC

Smithfield, PA

We Are Focused on Shaping the Future of Transportation

WebsitePhone1 office6 projects2 leadersFounded 2004Size Estimate: 1-9 employees

Project: SR 62-20M Roadway Improvements

Service: Traffic & Safety StudiesService: Transportation Impact Studies (TIS)Service: Traffic Data CollectionIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+20 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

Great Places Analysis and Design, LLC

Transportation planning, analysis, and engineering design to promote safety and community vibrancy

Website4 projects1 leadersUpdated Jun 2026

Project: Creative Intersection Reconfigurations

Service: Transportation Planning and ScopingService: Mobility PlanningService: Safety Action PlanningIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+29 more

Infra Tech Engineering, LLC

New York, NY

Let Us Show You How.

WebsitePhone1 office6 projects2 leaders1 credentialsFounded 1983

Project: NYSDOT - Route 347 Reconstruction

Service: Traffic and Transportation EngineeringService: Traffic Signal Design and AnalysisService: Transportation Management PlansIndustry: TransitIndustry: TransportationType: Civil Engineering+33 more

LIN Consulting, Inc.

Diamond Bar, CA

Proven Track Record

WebsitePhone3 offices6 projects6 leaders8 credentialsFounded 1997

Project: 7th Standard Road Widening

Service: Traffic EngineeringService: Fiber Optic Communication SystemsService: Intelligent Transportation Systems (ITS)Industry: TransportationIndustry: Highways & RoadsType: Civil Engineering+27 more

LaCroix Traffic Engineering PLLC

LaCroix Traffic Engineering PLLC is a traffic engineering consulting firm serving land developers, engineering firms, and public agencies primarily throughout Michigan and Indiana. Founded and led by Nick LaCroix, P.E., PTOE, with over 20 years of multi-disciplinary traffic engineering experience, LTE provides traffic impact studies, corridor studies, signal timing optimization, interchange and intersection analyses, crash and safety studies, parking studies, work zone maintenance of traffic plans, and non-motorized and pedestrian facility studies.

Website1 leadersUpdated Jun 2026

Service detail: Traffic Impact Studies

Service: Traffic Impact StudiesService: Corridor Studies & Conceptual DesignService: Signal Timing OptimizationIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+7 more

Patel, Greene and Associates, LLC

Bartow, FL

We Exist to Elevate Our Families, Communities, and Profession.

WebsitePhone7 offices5 projects5 leaders2 credentialsFounded 2011

Project: Polk Parkway Resurfacing (AMG/3D Pilot)

Service: RoadwayService: Minor highway designService: Major highway designIndustry: Highways & RoadsIndustry: TransportationType: Civil Engineering+66 more

R.J. Behar & Company, Inc.

Pembroke Pines, FL

Innovative and cost-effective infrastructure engineering solutions

WebsitePhone1 office7 projects12 credentialsFounded 1999Updated Jun 2026

Project: NW 87 Avenue (NW 74 Street to NW 103 Street)

Service: Transportation EngineeringService: Transportation PlanningService: Traffic EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+22 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

SIMCO Engineering, D.P.C.

New York, NY

Professional traffic engineering, transportation planning, civil design, and construction inspection services

Website1 office38 projectsFounded 1989Updated Jun 2026

Project: Kosciuszko Bridge Replacement Phase 1

Service: Traffic EngineeringService: Geometric Roadway DesignService: Traffic Signal DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+33 more

Stolfus & Associates, Inc.

Greenwood Village, CO

People-First Transportation Engineering

WebsitePhone1 office5 projects8 leaders5 credentialsFounded 2003

Project: City of Thornton 104th Avenue Widening (CO 92 to US 85)

Service: Transportation Planning & ConsultingService: Alternative StudiesService: Planning and Environmental Linkages (PEL) StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+22 more

T3 Design Corporation

Fairfax, VA

T3 Design Corporation is a Fairfax, Virginia-based transportation engineering practice founded in 2006. It specializes in transportation planning, traffic engineering, roadway design, intelligent transportation systems, and operations program management, serving state departments of transportation, regional transit authorities, and local jurisdictions throughout the Mid-Atlantic region.

WebsitePhone1 office6 projects5 leaders5 credentialsFounded 2006

Project: I-395 General Engineering Consultant (GEC) Transportation Management Plan Project

Service: Transportation PlanningService: Traffic Impact AnalysisService: Traffic ForecastingIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+26 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

TechniQuest Corporation

Princeton, NJ

Professional Engineering Consulting and Construction Inspection Services

WebsitePhone1 office3 projectsFounded 1995Updated Jun 2026

Project: NJDOT Arterial Management Center Staff Augmentation

Service: Traffic EngineeringService: Traffic Signal Design and OptimizationService: Lighting Design and Analysis (AGi32)Industry: TransportationIndustry: InfrastructureType: Transportation Engineering+22 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

TranSmart Technologies

Partnering in Solutions that Work for You

Website10 projectsFounded 1986Updated Jun 2026

Project: Jane Byrne Circle Interchange Reconstruction Design, Phase I and II

Service: Traffic EngineeringService: Traffic Data Collection and Traffic CountsService: Traffic Origin-Destination StudiesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+63 more