Public engineering firm directory

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Bridgefarmer & Associates, Inc.

Dallas, TX

Engineering reliable transportation and heavy civil infrastructure since 1976

WebsitePhone6 offices8 projectsFounded 1976Updated Jun 2026

Project: DFW Connector

Service: Roadway and Highway EngineeringService: Urban Freeways and InterchangesService: Major and Complex Highway DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+30 more

Dokken Engineering

Folsom, CA

Transforming design.

WebsitePhone4 offices7 projects12 leaders3 credentialsFounded 1986

Project: Zittle Family Amphitheater Shade Structure

Service: Feasibility & FundingService: Grant Writing SupportService: Preliminary Engineering & Environmental ServicesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+24 more

Earth Mechanics, Inc.

Fountain Valley, CA

Engineering resilience for a safer future

WebsitePhone4 offices5 projects11 leaders20 credentials4 publications

Project: Superior Avenue Pedestrian-Bicycle Bridge & Parking Lot

Service: Geomechanical & SeismologyService: Soil MechanicsService: Rock MechanicsIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+35 more

Solaray Engineering, Inc.

Irving, TX

High Standards. Maximum Results.

WebsitePhone2 offices6 projects4 leaders22 credentialsFounded 2009

Project: US377 Cresson Bypass

Service: Transportation EngineeringService: Highway and Freeway Interchange DesignService: Drainage Design and Hydrologic StudiesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+37 more

TEDSI Infrastructure Group

Houston, TX

TEDSI Infrastructure Group is a traffic and transportation engineering firm dedicated exclusively to traffic and transportation infrastructure improvements, with offices in Houston and Mission, Texas. Its staff brings decades of experience in planning, engineering, design, and implementation across traffic signal systems, roadway and highway design, hydrology and drainage, and intelligent transportation systems.

WebsitePhone2 officesUpdated Jun 2026

Service detail: Transportation Services

Service: Transportation ServicesService: Traffic Engineering and DesignService: Hydrology and Water ResourcesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+2 more

infraTECH Engineers & Innovators, LLC

Houston, TX

Designing Infrastructure, Redefining Horizons

WebsitePhone2 offices6 projects1 credentialsSize Estimate: 10-49 employeesUpdated Jun 2026

Project: US 75 Roadway Widening and Reconstruction

Service: Roadway & CivilService: Roadway Schematic DevelopmentService: Roadway and Interchange DesignIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+34 more