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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Thompson, Gordon & Shook Engineers, Inc.

Raleigh, NC

Connecting people one road at a time.

WebsitePhone3 offices3 projects3 leadersFounded 1978Size Estimate: 10-49 employees

Project: Liberty University Vehicular Tunnels

Service: Surveys & Subsurface Utility EngineeringService: Transportation EngineeringService: Structure Design & InspectionIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+12 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

Tidewater Structural Engineers PLLC

Chesapeake, VA

Rapid. Responsive. Economical Design.

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Residential and Small Project Structural Engineering

Service: Residential and Small Project Structural EngineeringService: Foundation Cracks and Cracking WallsService: Sagging FloorsIndustry: ResidentialIndustry: CommercialType: Structural Engineering+5 more

Tierra South Florida, Inc. (TSFGeo)

West Palm Beach, FL

Reliable, In-Depth Solutions

WebsitePhone4 offices9 leaders3 credentialsFounded 2000Size Estimate: 1-25 employees

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Laboratory Testing and AnalysisIndustry: AviationIndustry: TransportationType: Geotechnical Engineering+30 more

Tierra, Inc.

Tampa, FL

Full Service Geotechnical, Structural, Forensic, Environmental and Construction Materials Testing Engineering

WebsitePhone3 offices3 projects5 credentialsFounded 1992Size Estimate: 1-25 employees

Project: I-4 / Crosstown Connector Segment 3C, Hillsborough County

Service: Geotechnical EngineeringService: Geotechnical DrillingService: Subsurface InvestigationIndustry: GovernmentIndustry: TransportationType: Geotechnical Engineering+36 more

Tipton Engineering

Santa Fe, NM

Tipton Engineering is an engineering and architecture practice based in Santa Fe, New Mexico, specializing in sustainable and energy-efficient building and systems design. Founded in 2018, it operates as a hands-on practice with a combined 25 years of design and construction experience, modeling projects in Autodesk Revit for comprehensive BIM coordination.

WebsitePhone1 office5 projects2 leaders1 credentialsFounded 2018

Project: National Hispanic Cultural Center Welcome Center

Service: Mechanical EngineeringService: HVAC System DesignService: Energy Modeling and SimulationIndustry: EducationIndustry: Financial ServicesType: MEP+21 more

Titan Controls, LLC

Houston, TX

Industrial automation and process control engineering services

Website1 office5 projects5 credentialsFounded 2005Updated Jun 2026

Project: Sweeny Texas Automation Services

Service: Control System EngineeringService: Control System Conceptual DesignService: Control System SpecificationIndustry: Oil & GasIndustry: PetrochemicalType: Automation & Controls+16 more

Toce Structural Engineering, LLC

Milldale, CT

Full Service Structural Engineering Firm

WebsitePhone1 office1 leaders10 credentialsUpdated Jun 2026

Service detail: Feasibility Studies

Service: Feasibility StudiesService: Structural DesignService: Building RehabilitationIndustry: CommercialIndustry: ResidentialType: Structural Engineering+11 more

Toltz, King, Duvall, Anderson and Associates, Incorporated

Minneapolis, MN

Engineering | Architecture | Planning

Website6 offices12 projects1 leadersFounded 1910Updated Jun 2026

Project: Runway 14-32 Extension - Morris Municipal Airport

Service: Transportation EngineeringService: Aviation EngineeringService: Rail EngineeringIndustry: TransportationIndustry: AviationType: Civil Engineering+42 more

Tolunay Engineering Group Inc.

Houston, TX

Deep Industry Knowledge

WebsitePhone2 offices4 leadersFounded 2016Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Soil Borings and Cone Penetrometer TestsService: Laboratory TestingIndustry: CommercialIndustry: IndustrialType: Geotechnical Engineering+18 more

Toman Engineering Company

Mandan, ND

Land Surveyors and Consulting Engineers

WebsitePhone1 office3 credentialsFounded 1946Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Full-range land surveying servicesService: Boundary surveysIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+37 more

Tomco Service Group

Safety-critical product engineering for the autonomous world.

Website14 projects10 credentials4 publicationsFounded 2016Updated Jun 2026

Project: Project Atlas - L4 Driverless Delivery

Service: Functional SafetyService: Hazard Analysis and Risk AssessmentService: FMEDA and Safety MetricsIndustry: AutomotiveIndustry: AerospaceType: Process Safety Engineering+29 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

Total Design Engineering

Huntsville, AL

Total Design Engineering (TDE) is a full-service mechanical, electrical, and plumbing (MEP) engineering design firm based in Huntsville, Alabama. Since 2006, TDE has successfully delivered more than 3,500 projects across commercial, healthcare, education, government, aviation, and industrial sectors, consistently exceeding client expectations through innovative design, technical expertise, and dependable performance.

WebsitePhone1 officeFounded 2006Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Split HVAC SystemsService: Packaged HVAC SystemsIndustry: CommercialIndustry: HealthcareType: MEP+25 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

Total Solutions Group, Inc.

Maitland, FL

Award-Winning Architecture & Engineering

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Custom home designService: Commercial building designIndustry: ResidentialIndustry: CommercialType: Architecture & Engineering+13 more

Toth and Associates

Springfield, MO

Full-service consulting engineering specializing in electric utility engineering, structural engineering, civil engineering, land surveying, and GIS.

WebsitePhone5 offices10 leaders1 credentialsFounded 2003Size Estimate: 150-250 employees

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Electrical System PlanningService: Electrical Substation DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Civil Engineering+38 more

Towering House Environmental Engineering PC

Las Vegas, NV

Civil Engineering for Tribal and Government Infrastructure

WebsitePhone1 office2 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Project Development and Planning

Service: Project Development and PlanningService: Infrastructure Evaluation and AssessmentService: Feasibility Studies and Master PlanningIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+13 more

Tracs Engineering

Teutopolis, IL

Superior Industrial, Manufacturing, and Utility Automation Solutions

WebsitePhone1 office5 projects1 leadersUpdated Jun 2026

Project: Sherwin Williams Automation Support

Service: Automation & Controls IntegrationService: Robotics & Vision IntegrationService: PLC & HMI ProgrammingIndustry: ManufacturingIndustry: UtilitiesType: Automation & Controls+11 more

Traffic & Mobility Consultants

Orlando, FL

Transportation experts planning our future and engineering our communities

WebsitePhone6 offices5 projects11 leaders2 credentialsUpdated Jun 2026

Project: FDOT D4 State Road Widening

Service: Traffic EngineeringService: Traffic StudiesService: Safety StudiesIndustry: GovernmentIndustry: Land DevelopmentType: Transportation Engineering+22 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

TransLand Engineering Group, LLC

Delivering Civil Engineering Innovations

Website5 projectsUpdated Jun 2026

Project: Tollway Contract RR-17-4312: I-88 Reagan Memorial Tollway

Service: Planning EngineeringService: Project Development ReportsService: Traffic StudiesIndustry: Highways & RoadsIndustry: BridgesType: Transportation Engineering+25 more