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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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

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

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

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

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

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

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

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

Lockwood, Andrews & Newnam, Inc.

Houston, TX

Engineering Solutions That Strengthen Communities

WebsitePhone1 officeFounded 1935Size Estimate: 385+ employeesUpdated Jun 2026

Service detail: Education Program Management

Service: Education Program ManagementService: K-12 Bond Program ManagementService: Higher Education Program ManagementIndustry: EducationIndustry: GovernmentType: Civil Engineering+26 more

Quiddity Engineering, LLC

Austin, TX

Empowering Communities Through Engineering & Innovation

Website14 offices4 projects11 leaders2 credentials3 publicationsFounded 1976

Project: Amazon Fulfillment Center Project Charm

Service: Water & WastewaterService: Wastewater Collection & TreatmentService: Water Distribution & TreatmentIndustry: GovernmentIndustry: Land DevelopmentType: Automation & Controls+32 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

SAM, LLC

Chesterfield, MO

Professional Services that Power Decisions

Website4 offices8 projects1 leaders9 credentialsUpdated Jun 2026

Project: TxDOT El Paso District Border Highway East Study

Service: Land SurveyingService: ALTA and Boundary SurveysService: Right-of-Way and EasementsIndustry: Electric UtilitiesIndustry: Renewable EnergyType: Land Surveying+45 more

Zarinkelk Engineering Services, Inc.

Houston, TX

Reliability - Excellence - Timeliness

WebsitePhone1 officeFounded 2001Updated Jun 2026

Service detail: Civil & Structural Design

Service: Civil & Structural DesignService: Construction Phase ServicesService: Program ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+9 more