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.

Filters2

LJB Inc.

Lima, OH

Improving the quality of life for the clients, communities and individuals we serve.

Website10 offices5 projects1 leaders4 credentialsFounded 1966Updated Jun 2026

Project: Woodland Avenue Pump Station Rehab

Service: Structural EngineeringService: Tilt-Up Concrete DesignService: Composite Bridge DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+45 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

MBCO Engineering + Surveying

Houston, TX

A Tower Above

WebsitePhone2 offices8 projects8 leadersFounded 2015Size Estimate: 11-50 employees

Project: Harris County Flood Control District Z100-00-00-X282 Harvey Repairs

Service: Infrastructure EngineeringService: Roadway DesignService: Drainage and Hydrologic StudiesIndustry: GovernmentIndustry: TransportationType: Civil Engineering+49 more

Martinez, Guy & Maybik, Inc.

Houston, TX

Trusted Experience with Proven Results

WebsitePhone3 offices5 projectsFounded 1987Updated Jun 2026

Project: Kemah Boardwalk Amusement Ride Foundation Staking

Service: Land & Site DevelopmentService: Feasibility StudiesService: Subdivision PlattingIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+48 more

N-Y Associates, Inc.

Metairie, LA

Excellence in Design Since 1969

WebsitePhone4 offices1 projects7 leadersFounded 1969Updated Jun 2026

Project: Western Tie-In Closure Structure at Bayou Verret (Sellers Canal)

Service: EngineeringService: Transportation EngineeringService: Water and Wastewater EngineeringIndustry: GovernmentIndustry: FederalType: Civil Engineering+26 more

Nedu Engineering Services Inc

Houston, TX

We make a difference

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: MEP Engineering

Service: Civil EngineeringService: MEP EngineeringService: Mechanical EngineeringIndustry: IndustrialIndustry: GovernmentType: Civil Engineering+38 more

Paquin Ramezani Inc.

Houston, TX

Texas-based civil engineering, land development, and transportation consulting services

WebsitePhone1 office1 leaders6 credentialsUpdated Jun 2026

Service detail: Development Advisory & Project Consulting

Service: Development Advisory & Project ConsultingService: Site Selection & Due DiligenceService: Project Delivery AdviceIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+52 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

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

Sowells Consulting Engineers, LLC

Houston, TX

We Engineer Solutions That Deliver Unparalleled Results.

WebsitePhone1 office19 projectsFounded 2010Updated Jun 2026

Project: Citywide Intersection Safety Improvements

Service: Civil EngineeringService: Water and Wastewater System DesignService: Transportation and Roadway EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+13 more

SreeK Solutions Inc

Houston, TX

An Honest Partner

WebsitePhone1 office3 projects1 leaders3 credentialsSize Estimate: 1-10 employees

Project: Barrier-Free Tolling Program

Service: Transportation Infrastructure DesignService: Roadway and Geometric DesignService: Drainage and Stormwater DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+13 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

The Solco Group, LLC

Port Arthur, TX

Planning is our Passion, Engineering is our Experience, Research is our Responsibility, and Consultancy is our Commitment

WebsitePhone2 offices5 leaders4 credentialsSize Estimate: 2-10 employeesUpdated Jun 2026

Service detail: Airport Planning & Engineering

Service: Airport Planning & EngineeringService: Airport Improvement Program (AIP) ConsultingService: Airport Compliance / Land / Mineral Rights ConsultingIndustry: AviationIndustry: TransportationType: Aviation Engineering+27 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

Walter P Moore

Houston, TX

Where expertise meets imagination

WebsitePhone2 offices23 projects1 leaders3 publicationsFounded 1931

Project: SoFi Stadium

Service: Structural EngineeringService: High-Rise & Tall BuildingsService: Sports Venue StructuresIndustry: CommercialIndustry: HospitalityType: Architecture & Engineering+32 more

Woolpert

Beavercreek, OH

Global resources. End-to-end solutions. Innovative results.

WebsitePhone8 offices3 projects8 leaders9 credentialsFounded 1911

Project: USACE I-ATLAS Coastal Mapping and Nautical Charting

Service: ArchitectureService: Mission-Critical ArchitectureService: Education Facility ArchitectureIndustry: AviationIndustry: AirportsType: Architecture & Engineering+48 more

iGET Services LLC

Houston, TX

With Professional Excellence!

WebsitePhone1 office8 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Buildings and Facilities Design

Service: Buildings and Facilities DesignService: Disaster Resistant Home DesignService: Windstorm EngineeringIndustry: GovernmentIndustry: CommercialType: Architecture & Engineering+25 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