Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

KPFF Consulting Engineers

Portland, OR

KPFF exists to engineer opportunities that have a positive impact on people, places, and the planet.

Website33 offices5 projectsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Portland International Airport (PDX), Terminal Core Redevelopment

Service: Structural EngineeringService: Bridge EngineeringService: Protective DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+39 more

KSA Engineers Inc

Longview, TX

Dedicated to making life better in communities

WebsitePhone17 offices7 projects3 leaders5 credentialsFounded 1978

Project: Sabine River Water Treatment Facility

Service: Water and Wastewater EngineeringService: Water Treatment Plant DesignService: Wastewater Treatment Plant DesignIndustry: AviationIndustry: AirportsType: Architecture & Engineering+43 more

MGE Engineering, Inc.

Sacramento, CA

MGE Engineering, Inc. is a California-based civil and structural engineering practice founded in 1990, specializing in bridge engineering, flood management, civil engineering, and construction management. MGE has delivered bridge replacement, rehabilitation, seismic retrofit, and preventive maintenance projects for cities, counties, Caltrans, and federal agencies across California and Texas. MGE maintains offices in Sacramento, Oakland, Los Angeles, San Diego, Aliso Viejo, and Austin.

WebsitePhone6 offices8 projectsFounded 1990Updated Jun 2026

Project: Winters Road Bridge Replacement at Putah Creek

Service: Bridge EngineeringService: Bridge Replacement & RehabilitationService: Seismic RetrofitIndustry: BridgesIndustry: InfrastructureType: Civil Engineering+23 more

Miller Gray, LLC

Austin, TX

Civil Engineering Rooted in Central Texas

WebsitePhone1 office23 projects5 leaders2 credentialsFounded 2014

Project: Lakeway Police Station

Service: Transportation DesignService: Corridor and Planning Area StudiesService: Regional Roadway and Arterial DesignIndustry: GovernmentIndustry: FederalType: Civil Engineering+91 more

Moreno Cardenas, Inc.

Austin, TX

Planning, Engineering and Project Management

WebsitePhone3 offices6 projects4 leaders35 credentialsFounded 1990

Project: Sam Snead Storm Drain System

Service: Program ManagementService: Capital Program ManagementService: Project Controls and SchedulingIndustry: GovernmentIndustry: FederalType: Civil Engineering+37 more

Parkhill

Lubbock, TX

Providing inventive architecture and engineering solutions for a better future

WebsitePhone4 officesUpdated Jun 2026

Service detail: Architecture and Planning

Service: Architecture and PlanningService: Architectural DesignService: Master PlanningIndustry: EducationIndustry: Water SupplyType: Architecture & Engineering+30 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

SC Engineers, PC

New York, NY

Construction professionals providing innovative engineering solutions for today's building and infrastructure projects.

WebsitePhone2 offices12 projects4 leaders1 credentialsFounded 2017

Project: East River Tunnel Rehabilitation

Service: Program Management / Construction ManagementService: Construction Oversight and Field CoordinationService: Schedule, Budget, and Risk ManagementIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+36 more

SE3

St. Louis, MO

SE3 is a multi-disciplinary civil and structural engineering firm with offices spanning Missouri, Illinois, Texas, and Kansas, focused on delivering infrastructure projects for public and private clients. Its service areas cover water and sanitary infrastructure, structural design and inspection, site development, and transportation, with design-build project delivery capability. Representative projects include the I-88 Bridge Rehabilitation, TxDOT design-build highway contracts, water main replacement programs, and commercial site work for national retailers.

WebsitePhone7 offices6 projectsUpdated Jun 2026

Project: I-88 Bridge Rehabilitation

Service: Water and Sanitary InfrastructureService: Structural Design and InspectionService: TransportationIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+11 more

Sanbell

Billings, MT

Intelligent Infrastructure. Enduring Communities.

WebsitePhone14 offices2 leaders2 credentialsFounded 1969Size Estimate: 201-500 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Site DevelopmentService: Grading and DrainageIndustry: Land DevelopmentIndustry: InfrastructureType: Civil Engineering+57 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

TJKM

Pleasanton, CA

Integrated Transportation Systems

Website3 offices6 projects5 leadersFounded 1974Updated Jun 2026

Project: City of Livermore Traffic Impact Fee Update and Intersection Improvement Study

Service: Transportation PlanningService: Bicycle & Pedestrian PlanningService: Complete StreetsIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+27 more

Toole Design

Silver Spring, MD

Groundbreaking Work That Moves People

Website18 offices4 projects4 leadersFounded 2003Size Estimate: 300-500 employeesUpdated Jun 2026

Project: AASHTO Guide for the Development of Bicycle Facilities

Service: EngineeringService: Conceptual DesignService: Construction AdministrationIndustry: GovernmentIndustry: FederalType: Civil Engineering+40 more

Walker Consultants

Chicago, IL

Bringing Life to the Built Environment

Website26 offices4 publicationsFounded 1965Size Estimate: 500+ employeesUpdated Jun 2026

Service detail: Parking Design

Service: Parking DesignService: Functional DesignService: Architecture DesignIndustry: AviationIndustry: ResidentialType: Forensic Engineering+44 more

Whitman Requardt Associates Llp

Baltimore, MD

People Focused - Project Driven

Website28 officesFounded 1915Updated Jun 2026
Service: TransportationService: Building DesignService: Water and WastewaterIndustry: Environmental & RemediationIndustry: MarineType: Architecture & Engineering+12 more