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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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

DECON

Houston, TX

Delivering practical solutions to complex technical challenges.

WebsitePhone3 offices10 leaders17 credentialsFounded 2010Updated Jun 2026

Service detail: Transportation and Roadway Engineering

Service: Transportation and Roadway EngineeringService: Roadway designService: Traffic engineeringIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+25 more

DeSimone Consulting Engineering

New York, NY

Bridging science and humanity

Website11 offices1 projects3 leaders10 credentialsFounded 1969Updated Jun 2026

Project: Terminal Warehouse

Service: Structural DesignService: Facade and Building EnvelopeService: RestorationIndustry: AviationIndustry: TransportationType: Structural Engineering+23 more

Dev-Tex Engineering, LP

Houston, TX

At the intersection of our passion and your passion is exceptional results

WebsitePhone1 office1 leadersFounded 2004Updated Jun 2026

Service detail: Site Design

Service: Site DesignService: Develops Comprehensive LayoutService: GradingIndustry: Land DevelopmentIndustry: Stormwater & Flood ControlType: Civil Engineering+45 more

Diaz Engineering, LLC

Houston, TX

Engineering Solutions, Together

WebsitePhone2 offices2 projects1 leaders1 credentialsUpdated Jun 2026

Project: Brays

Service: Planning ServicesService: Drainage Master PlansService: Flood Risk StudiesIndustry: GovernmentIndustry: Water ResourcesType: Civil Engineering+52 more

Dynamic Engineering Consultants, PC

Lake Como, NJ

Civil Engineering Consultants with Experience

WebsitePhone14 officesSize Estimate: 360 employeesUpdated Jun 2026

Service detail: Site Civil Engineering

Service: Site Civil EngineeringService: Permitting and EntitlementsService: Stormwater ManagementIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+15 more

E&C Engineers & Consultants Inc.

Houston, TX

Innovative MEP Solutions Since 1994

WebsitePhone1 office4 projects5 leadersFounded 1994Updated Jun 2026

Project: University of Texas Health Science Center Houston - Public Health Education and Research

Service: MEP DesignService: ProgrammingService: Assessment ReportsIndustry: HealthcareIndustry: EducationType: MEP+9 more

EDGE Engineering, PLLC

Austin, TX

Courage for Creativity

WebsitePhone3 offices4 projects2 leaders3 credentialsFounded 2019

Project: RM 1431 Water Quality & Detention Pond Improvements

Service: Municipal DrainageService: 2-Dimensional H&H ModelingService: FEMA Modeling & MappingIndustry: Stormwater & Flood ControlIndustry: Water ResourcesType: Civil Engineering+15 more

EJES Inc

Dallas, TX

Providing Service with Excellence

WebsitePhone5 offices9 projects1 credentialsUpdated Jun 2026

Project: Marine Corps Air Station Iwakuni (MCASI)

Service: Civil EngineeringService: Roadway DesignService: Bridge DesignIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+45 more

Engineering Systems Inc.

Scottsdale, AZ

Multidisciplinary Expertise. Industry Insight.

Website22 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Uncovering the Truth Behind a Toy Archery Injury

Service: Accident ReconstructionService: Motor Vehicle Accident ReconstructionService: Industrial and Workplace Incident AnalysisIndustry: AgricultureIndustry: MiningType: Chemical Engineering+57 more

Engineerum Solutions

Houston, TX

We Innovate

Website3 officesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Structural DesignService: HydraulicsIndustry: TransportationIndustry: AutomotiveType: Automation & Controls+44 more

Ferguson Consulting, Inc.

Houston, TX

Specialty Engineering Services - From Conception through Construction Completion

Website1 office3 projectsUpdated Jun 2026

Project: Runway 17R/35L Rehabilitation - DFW International Airport

Service: Telecommunication DesignService: Security System DesignService: Aviation Electrical DesignIndustry: AviationIndustry: AirportsType: Electrical Engineering+4 more

GUY Engineering Services, Inc.

Tulsa, OK

Engineering safe and lasting infrastructure solutions for our communities

WebsitePhone3 offices12 projectsFounded 1987Updated Jun 2026

Project: Bridge 45 Wolf Creek

Service: Bridge and Roadway EngineeringService: Bridge DesignService: Roadway DesignIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+21 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

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

HTown Engineers LLC

Houston, TX

Your Trusted Engineering Company

WebsitePhone1 office8 projects2 leaders15 credentialsFounded 2024

Project: Broadway Street Reconstruction from IH-45 to Airport Blvd

Service: Roadway and Highway DesignService: Street and Highway ReconstructionService: Boulevard and Freeway DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+31 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

Infrastructure Consulting & Engineering, LLC

West Columbia, SC

A Full Service Transportation Consulting and Design Firm

WebsitePhone15 offices6 projects5 credentialsFounded 2005Size Estimate: 500-1,000 employees

Project: NC-540 (Triangle Expressway SE Extension)

Service: Roadway and Highway DesignService: Roadway widening and extensionService: Major interchange and intersection designIndustry: TransportationIndustry: GovernmentType: Civil Engineering+85 more

Infrastructure Engineering, Inc.

Chicago, IL

Civil engineering driven by a passion for solving infrastructure challenges through ingenuity.

Website10 offices3 projectsUpdated Jun 2026

Project: George Washington Bridge Priority Repairs

Service: Design EngineeringService: Transportation DesignService: Bridge and Structural DesignIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+29 more

Isani Consultants, L.P.

Houston, TX

Designing What Matters

WebsitePhone1 office17 projects5 credentialsFounded 2000Size Estimate: 1-25 employees

Project: Enabling Utilities Landside, George Bush Intercontinental Airport

Service: Transportation EngineeringService: Urban and rural highway designService: Geometric design, driveways, and sidewalksIndustry: InfrastructureIndustry: TransportationType: Aviation Engineering+94 more

JSM & Associates

Apopka, FL

We Keep Airports Moving

WebsitePhone7 offices13 projects7 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Tampa International Airport - CBIS Recapitalization/Optimization

Service: BHS Design & ConsultationService: Baggage Conveyor Layout PlanningService: Checked Baggage Inspection Security DesignIndustry: AviationIndustry: AirportsType: Aviation Engineering+8 more

KAVI Consulting, Inc.

Houston, TX

From concept to completion: turning ideas to reality

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Feasibility Studies

Service: Feasibility StudiesService: Comprehensive AnalysisService: Project Viability EvaluationsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+31 more