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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Thoroughbred Engineering

Lexington, KY

Design Engineer Construct

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Site Planning and Civil Engineering

Service: Site Planning and Civil EngineeringService: Property due diligenceService: Feasibility studiesIndustry: CommercialIndustry: Food & BeverageType: Civil Engineering+52 more

ThotPro, Inc.

Fairbanks, AK

Thought Provoking Enterprises

WebsitePhone1 office2 projects1 leaders1 credentialsFounded 2000

Project: Lily of the Valley Church Building Project

Service: Structural EngineeringService: Structural Calculations & DesignService: Permitting & Construction InspectionsIndustry: ResidentialIndustry: CommercialType: Structural Engineering+2 more

Thouvenot, Wade & Moerchen, Inc. (TWM)

Swansea, IL

Exceptional Service. Nothing Less.

WebsitePhone1 office2 projects13 credentialsSize Estimate: 200+ employeesUpdated Jun 2026

Project: Pierce Terrace Elementary School

Service: Transportation & Traffic EngineeringService: Roadway DesignService: Traffic & Safety StudiesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+34 more

Three Notch Group

Andalusia, AL

Guidance. Expertise. Partnership.

WebsitePhone1 officeFounded 1946Updated Jun 2026

Service detail: Civil & Site Development

Service: Civil & Site DevelopmentService: Site designService: GradingIndustry: GovernmentIndustry: Environmental & RemediationType: Civil Engineering+43 more

Tidewater Engineering & Surveying, Inc.

Eliot, ME

Civil Engineering & Land Surveying

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site DesignService: Water/Sewer Extensions & Replacement PlansIndustry: ResidentialIndustry: CommercialType: Civil Engineering+35 more

Tighe & Bond

Westfield, MA

Environmental consulting with purpose.

Website8 offices2 projects7 leaders2 credentialsFounded 1911Size Estimate: 500-999 employees

Project: Climate Vulnerability Assessment for Massachusetts Watersheds

Service: Building ServicesService: MEP/FP DesignService: Energy Analysis & ModelingIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+38 more

Tillman and Associates Engineering, LLC

Ocala, FL

Our Dedication Makes Us The Perfect Choice For Your Project.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land PlanningService: Land use planningIndustry: Land DevelopmentIndustry: GovernmentType: Civil Engineering+11 more

Timmons Group, Inc.

Richmond, VA

Engineering | Design | Technology

WebsitePhone1 office5 projects10 leaders11 credentials3 publications

Project: Dix Park Master Planning

Service: Civil EngineeringService: Civil planning and site designService: Infrastructure designIndustry: Land DevelopmentIndustry: InfrastructureType: Civil Engineering+51 more

Tomo Engineering PLLC

Durham, NC

Expert hydraulic & erosion control solutions

WebsitePhone1 officeUpdated Jun 2026

Service detail: Water Resources Engineering

Service: Water Resources EngineeringService: Transportation Drainage DesignService: Watershed StudiesIndustry: Highways & RoadsIndustry: InfrastructureType: Water / Wastewater Engineering+10 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

Torrenga Engineering, Inc.

Munster, IN

Serving Northwest Indiana and Chicagoland Since 1960

WebsitePhone2 offices4 leadersFounded 1960Updated Jun 2026

Service detail: Civil Engineering Design

Service: Civil Engineering DesignService: Roadway DesignService: Storm Water Drainage DesignIndustry: Highways & RoadsIndustry: WastewaterType: Civil Engineering+27 more

Torres-Rosa Consulting Engineers

Guaynabo, PR

Civil, environmental, and water resources engineering consulting with over 25 years of professional experience.

WebsitePhone1 office2 projects2 leadersFounded 2002Updated Jun 2026

Project: Puerto Rico Aqueduct and Sewer Authority Dam Advisory

Service: Water Resources EngineeringService: Sediment Transport & Erosion ControlService: River and Stream RestorationIndustry: Water ResourcesIndustry: Water SupplyType: Civil Engineering+41 more

Tory R. Walker Engineering, Inc.

Trusted solutions for a changing world.

Website1 projects1 leadersFounded 2000Updated Jun 2026

Project: Oceanside Master Plan of Drainage

Service: Watershed ManagementService: Regional Watershed Master PlanningService: Watershed Planning and ModelingIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+44 more

Total Engineering & Consulting Services, LLC

Norristown, PA

Designing the Future

WebsitePhone3 offices8 leadersUpdated Jun 2026

Service detail: Civil, Mechanical & Electrical Engineering

Service: Civil, Mechanical & Electrical EngineeringService: Civil EngineeringService: Mechanical EngineeringIndustry: UtilitiesIndustry: GovernmentType: Civil Engineering+37 more

Townes Site Engineering

Midlothian, VA

Dependable Civil Engineering, Surveying, and Environmental Services in Richmond, VA

WebsitePhone1 office5 projects4 credentialsFounded 1973Updated Jun 2026

Project: Metropolis Apartments

Service: Civil EngineeringService: Subdivision construction documentsService: Site and plan of development construction documentsIndustry: IndustrialIndustry: CommercialType: Civil Engineering+59 more

Traffic Management, Inc.

Long Beach, CA

Protecting lives. Controlling traffic.

WebsitePhone1 office1 projects1 credentialsSize Estimate: 1,700 employeesUpdated Jun 2026

Project: Rose Parade Traffic Control

Service: Traffic EngineeringService: Site AssessmentsService: Street Lighting ConfigurationsIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+13 more

Traffic Planning and Design, Inc.

Pottstown, PA

Moving Forward Together

WebsitePhone1 office2 projects2 leaders18 credentialsFounded 1989

Project: Broad Street Active Transportation Plan

Service: Transportation Planning & Traffic EngineeringService: Transportation Planning & PermittingService: Traffic EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+20 more

Tralan Engineering, Inc.

Jonesboro, AR

Tralan Engineering, Inc. is a multi-disciplined consulting practice providing civil engineering, land surveying, and GIS mapping services in Arkansas and Missouri. It is headquartered in Jonesboro, AR and also offers pond management services including fisheries management, fish habitat improvement, and water quality testing and remediation.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land Development DesignService: Residential Land DevelopmentIndustry: Land DevelopmentIndustry: Water SupplyType: Civil Engineering+49 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

Trans Associates Engineering Consultants Inc

Pittsburgh, PA

Small Firm Client Focus, Large Firm Capability

WebsitePhone3 offices5 projects1 leadersUpdated Jun 2026

Project: Pennsylvania Turnpike Truck Parking Study

Service: Transportation PlanningService: Funding ApplicationsService: NEPA Coordination and Document PreparationIndustry: TransportationIndustry: UtilitiesType: Transportation Engineering+36 more

Trans Pacific Engineering Corp

Lower Gwynedd, PA

Trans-Pacific Engineering Corporation (TPEC) is a Lower Gwynedd, Pennsylvania civil and environmental engineering practice delivering full-service solutions for infrastructure, land development, stormwater management, structural design, and environmental remediation. It serves residential, commercial, industrial, and municipal clients across the greater Philadelphia region, combining technical engineering expertise with public outreach and engagement from project inception through construction.

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: La Salle University Stormwater Management

Service: Civil EngineeringService: Land DevelopmentService: Exterior Site PlanningIndustry: ResidentialIndustry: CommercialType: Civil Engineering+46 more

TransDesign International, LLC

Montgomery, TX

TransDesign International, LLC is a consulting engineering practice serving the power transmission industry with experience in overhead transmission line design and lattice tower development. It provides services from preliminary studies and 3D modeling to full-scale tower testing and steel supply management, supporting utilities through every phase of transmission infrastructure development.

Website2 officesFounded 1983Updated Jun 2026

Service detail: Overhead Transmission Line Design

Service: Overhead Transmission Line DesignService: Preliminary Line Routing StudiesService: Three-Dimensional PLS-CADD ModelingIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Structural Engineering+35 more

Transborder Engineering LLC

Tucson, AZ

Transborder Engineering performs a full range of Civil engineering and site development services for residential, commercial, industrial sites and Road Design. Specific services include: Feasibility Studies, Master Planning, Site Design, utilities Planning, Storm water Management (Hydrologic & Hydraulic Analysis), analysis and permitting; our experienced professionals provide Low Impact Design Solutions.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Planning

Service: PlanningService: Feasibility StudiesService: Master PlanningIndustry: ResidentialIndustry: CommercialType: Civil Engineering+24 more

Transition Engineering Surveying LLC

Newark, DE

Professional Land Surveying Services

WebsitePhone2 offices1 leadersFounded 2010Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Aerial Drone LiDAR and Imagery SurveyingService: Ground Hi-Density Laser Scanning SurveyingIndustry: Land DevelopmentIndustry: ResidentialType: Land Surveying+34 more