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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Civitas Engineering Group, Inc.

Houston, TX

Innovative engineering, infrastructure, and technical solutions

WebsitePhone3 offices7 projects2 credentialsSize Estimate: 51-200 employeesUpdated Jun 2026

Project: Dallas Water Utilities Strategic Plan

Service: WaterService: Water TreatmentService: Pumping FacilitiesIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+37 more

Ivaldi Engineering

Huntsville, AL

Civil engineering for Southeast land development

WebsitePhone2 offices3 leaders2 credentialsFounded 2021Updated Jun 2026

Service detail: Civil Site Design

Service: Civil Site DesignService: Grading and DrainageService: Erosion ControlIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+26 more

Johnson Construction Consulting LLC

Top Tier Architect and Engineering Construction Consulting

Website3 projects3 leadersUpdated Jun 2026

Project: Solar-Grade Silicon Facility Electrical Design

Service: Architecture & Engineering DesignService: Electrical EngineeringService: Civil & Structural EngineeringIndustry: ResidentialIndustry: CommercialType: Civil Engineering+21 more

Naidu Engineering LLC

Sammamish, WA

Naidu Engineering LLC provides civil engineering consulting services specializing in hydrology and hydraulics. Founded in 2017, the practice delivers analysis and design solutions for public and private infrastructure projects, including traditional design-bid-build, public-private-partnership, and design-build delivery methods.

Website2 offices7 projects1 leadersFounded 2017Updated Jun 2026

Project: SR 520 Portage Bay Bridge Replacement

Service: Hydrology and Hydraulics EngineeringService: Hydrology and Hydraulic Modeling and SimulationsService: Conveyance and Stormwater BMP DesignIndustry: Highways & RoadsIndustry: TransportationType: Civil Engineering+20 more

O'Day Consultants, Inc.

San Diego, CA

Civil Engineering and Land Surveying Experts

Website1 office6 projects7 leadersFounded 1981Updated Jun 2026

Project: Faraday Avenue

Service: Civil EngineeringService: Project ManagementService: Grading DesignIndustry: GovernmentIndustry: FederalType: Civil Engineering+76 more

Stolfus & Associates, Inc.

Greenwood Village, CO

People-First Transportation Engineering

WebsitePhone1 office5 projects8 leaders5 credentialsFounded 2003

Project: City of Thornton 104th Avenue Widening (CO 92 to US 85)

Service: Transportation Planning & ConsultingService: Alternative StudiesService: Planning and Environmental Linkages (PEL) StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+22 more

Tam Consulting Services LLC

Dallas, TX

Nationally Recognized Engineering & Quality Services

WebsitePhone2 offices3 projects5 leaders52 credentialsFounded 2016

Project: TxDOT Southern Gateway Design-Build

Service: Construction Engineering & Inspection (CE&I)Service: Materials Engineering & TestingService: Quality Assurance Program (QAP) Development & OVTIIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+10 more

Ulteig Engineers, Inc.

Creating Innovative Infrastructure Solutions

Website8 projects2 leadersFounded 1944Updated Jun 2026

Project: TxDOT FM 159 Roadway Realignment

Service: Power EngineeringService: Substation Engineering and DesignService: Transmission Engineering and DesignIndustry: Power GenerationIndustry: Power Transmission & DistributionType: Civil Engineering+53 more

Wi-Skies, LLC

Professional and Experienced Engineers

Website8 projects20 leaders7 credentialsFounded 2014Size Estimate: 10-49 employeesUpdated Jun 2026

Project: Illinois DOT Call Lighting Design Services (District 1)

Service: Transportation Electrical EngineeringService: Roadway LightingService: Intelligent Transportation SystemsIndustry: GovernmentIndustry: TransportationType: Aviation Engineering+36 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