Public engineering firm directory

Find engineering consulting firms by capability and location.

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AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects5 leaders2 credentialsUpdated Jun 2026

Project: VIA Park and Ride at Stone Oak

Service: Civil EngineeringService: Transportation DesignService: Drainage and Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+25 more

AIG Technical Services, LLC

Houston, TX

AIG Technical Services, LLC is a Houston-based engineering consulting practice specializing in transportation infrastructure. It offers a multi-disciplinary blend of planning, engineering, and program management services for various transportation projects, ranging from local improvements to large-scale corridor developments across Texas. The practice focuses on delivering cost-effective and safe solutions by collaborating closely with public agency clients to address complex engineering and planning challenges.

WebsitePhone2 offices6 projects5 leaders9 credentialsUpdated Jun 2026

Project: SH 146 Ferry Road to I-10 Schematic and Environmental Study

Service: Transportation PlanningService: Formulates Long-term StrategiesService: Corridor Concepts For Multimodal Transportation NetworksIndustry: Highways & RoadsIndustry: TransitType: Civil Engineering+16 more

Agility Engineering

Houston, TX

Delivering public infrastructure efficiently, economically, and sustainably.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Construction DesignService: Hydraulic and Hydrology ModelingIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+23 more

Bowman Engineering & Consulting, Inc.

Dallas, TX

Experience Dedicated to Your Success

Website4 offices7 projects7 leaders4 credentialsFounded 2007Updated Jun 2026

Project: DART Green Line Light Rail Expansion

Service: Program ManagementService: FTA Program Management Oversight Consulting (PMOC)Service: Project Management OversightIndustry: TransportationIndustry: TransitType: Civil Engineering+23 more

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

CAS Consulting & Services, Inc.

Austin, TX

Civil engineering, program management, and construction management solutions for water, wastewater, and transportation infrastructure

WebsitePhone4 offices6 projects8 leaders25 credentialsFounded 1999

Project: Huebner Creek Regional Stormwater Facility

Service: Water & Wastewater EngineeringService: Water Distribution Evaluation and DesignService: Collection System Design and RehabilitationIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+31 more

D'Leon Consulting Engineers Corporation

Long Beach, CA

DLCE Is Driving Change for Our Communities

Website3 offices12 projects6 leadersFounded 1987Updated Jun 2026

Project: SMForward at Sacramento International Airport

Service: Civil EngineeringService: Civil DesignService: Environmental PlanningIndustry: AviationIndustry: TransitType: Civil Engineering+12 more

DCCM

Houston, TX

Design. Consulting. Construction Management.

WebsitePhone1 office5 projects5 leadersFounded 1950Size Estimate: 1,100 employees

Project: Sir Francis Drake Corridor Rehabilitation

Service: Infrastructure Design and ConsultingService: Planning and EngineeringService: Architecture and SurveyingIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+33 more

Gedeon GRC Consulting

Syosset, NY

Engineering & Construction leaders with a robotics advantage

WebsitePhone5 offices11 leaders1 credentialsUpdated Jun 2026

Service detail: Civil / Site Engineering

Service: Civil / Site EngineeringService: Highway and Roadway DesignService: Grading and Drainage DesignIndustry: Arts & CultureIndustry: AviationType: Civil Engineering+46 more

Geoscience Engineering & Testing, Inc.

Houston, TX

Your Partner to Build a Better World

WebsitePhone2 offices1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geological StudiesService: Geotechnical TestingIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+22 more

Geotech Engineering And Testing Ltd

Houston, TX

Geotech Engineering and Testing (GET) is a multi-disciplined organization of licensed engineers, geologists, field and laboratory technicians, and clerical personnel who combine their technical capabilities, past experience, dedication, and enthusiasm to offer the finest service through an integrated team effort. GET has a staff of about 60 engineers, geologists, technicians, and support staff. GET’s projects consist of public infrastructure, residential developments, educational facilities, medical facilities, petrochemical complexes, wind turbines, solar farms, chain stores, transportation, commercial development, industrial facilities, port and harbor facilities, aviation, high-rise, and low-rise buildings.

WebsitePhone1 office1 credentialsFounded 1985Updated Jun 2026

Service detail: Forensic Engineering

Service: Civil and Structural EngineeringService: Geotechnical EngineeringService: Construction Materials EngineeringIndustry: ResidentialIndustry: CommercialType: Civil Engineering+21 more

Gradient Group, LLC

Houston, TX

Right from the start.

Website1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Infrastructure planningService: Engineering designIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+18 more

HVJ Associates, Inc.

Houston, TX

The World is Unpredictable: Infrastructure Must Be Anything But

WebsitePhone3 offices14 projects4 leaders14 credentialsFounded 1985

Project: Leonard Water Treatment Plant and 60-Mile Pipeline

Service: Geotechnical EngineeringService: Geotechnical field exploration and data collectionService: Subsurface laboratory testingIndustry: Highways & RoadsIndustry: Stormwater & Flood ControlType: Civil Engineering+33 more

Huitt-Zollars

Los Angeles, CA

Meet a local AE design firm with national reach.

Website5 offices7 leadersUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Architectural DesignService: Interior DesignIndustry: CommercialIndustry: EducationType: Architecture & Engineering+29 more

IDCUS

Houston, TX

IDCUS is a Texas-based infrastructure consulting and engineering firm with more than two decades of experience delivering planning, civil engineering, and construction management services to public agencies statewide. Its professional team has supported more than $10 billion in infrastructure development for clients including the City of Houston, the City of San Antonio, TxDOT, Harris and Fort Bend counties, VIA Metropolitan Transit, and Houston METRO, covering city streets, drainage systems, major highways, toll roads, and transit networks.

WebsitePhone3 officesUpdated Jun 2026

Service detail: Highway Design and PS&E

Service: Highway Design and PS&EService: County Engineering and DesignService: Construction Engineering and InspectionIndustry: Highways & RoadsIndustry: InfrastructureType: Civil Engineering+10 more

IEA Inc.

Dallas, TX

Engineering Solutions for a Better Life

Website5 offices4 projects14 leadersFounded 2008Updated Jun 2026

Project: SL 88 Segments 3A, 3B, and 3C PS&E

Service: Aviation EngineeringService: Runway DesignService: Taxiway DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+33 more

Iconic Consulting Group

Dallas, TX

Excellence. Every Client. Every Time.

WebsitePhone4 offices7 projectsUpdated Jun 2026

Project: DART/DFW Airport Irving/DFW Corridor

Service: Transportation EngineeringService: Highways and TollwaysService: Intersection ImprovementsIndustry: TransitIndustry: AirportsType: Civil Engineering+25 more

Kuo & Associates

Houston, TX

Engineering growth for Houston and all of Southeast Texas

Website1 office7 projects6 leaders3 credentialsFounded 1985Updated Jun 2026

Project: Mason Stormwater Detention Basin

Service: Water Resource ManagementService: Water Transmission and DistributionService: Stormwater Drainage and DetentionIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+29 more

LS Gallegos & Associates, Inc.

Englewood, CO

LS Gallegos (LSG) is a professional services firm that provides owner representative and advisory services on major capital improvement programs and transportation infrastructure projects across the United States. Founded in 1988, it specializes in airports, highways, tollways, public works, transit systems, bridge and tunnel inspection, and project/program management support services.

WebsitePhone5 offices6 leaders1 credentialsFounded 1988Updated Jun 2026

Service detail: Program/Project Management & Oversight

Service: Program/Project Management & OversightService: Owner RepresentativeService: Program ManagementIndustry: TransportationIndustry: InfrastructureType: Owner's Engineer+24 more

MEP Consulting Engineers, Inc.

Las Colinas, TX

Expect engineering excellence.

WebsitePhone5 offices1 projectsSize Estimate: 15-75 employeesUpdated Jun 2026

Project: New Parkland Hospital

Service: Mechanical & Plumbing EngineeringService: HVAC SystemsService: Central PlantsIndustry: AirportsIndustry: Senior LivingType: MEP+84 more

PGA Engineers, Inc.

Houston, TX

Critical Infrastructure - Consulting, Design, Engineering and Project Management

Website1 office8 projects2 leaders7 credentialsFounded 2010Updated Jun 2026

Project: Fort Bend County Information Technology Building and Data Center

Service: Electrical EngineeringService: Energy Conservation and Sustainable EnergyService: Emergency Power SystemsIndustry: InfrastructureIndustry: BridgesType: Electrical Engineering+39 more

RS&H

Jacksonville, FL

Creating Tomorrow, Together.

Website74 offices3 leaders2 credentialsFounded 1941Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Interior DesignService: Landscape ArchitectureIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+25 more

Shrader Consultants LLC

Houston, TX

Over two decades of experience in power, instrumentation, and automation for regional water infrastructure

Website1 office3 publicationsFounded 2020Updated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power Distribution DesignService: Medium Voltage Switchgear EngineeringIndustry: Water SupplyIndustry: WastewaterType: Electrical Engineering+44 more

Smith Engineering and Associates, LLC

Cleveland, TN

Innovative & Efficient Engineering Solutions

WebsitePhone3 offices6 projects1 leaders10 credentialsSize Estimate: 1-25 employees

Project: Jackson International Airport Aviation Project Management

Service: Traffic EngineeringService: Traffic CountsService: Traffic Analysis and ModelingIndustry: TransportationIndustry: AviationType: Civil Engineering+71 more