Public engineering firm directory

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Aquario Engineering LLC

San Diego, CA

Smart solutions in sustainable water infrastructure project delivery

WebsitePhone1 office3 leadersFounded 2020Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Sustainable Infrastructure Consulting

Service: Sustainable Infrastructure ConsultingService: Providing Consulting Services Focused On Bringing SustainableService: ResilientIndustry: Water ResourcesIndustry: WastewaterType: Civil Engineering+30 more

Aries Engineering, LLC

Concord, NH

Innovating Environmental Solutions, Engineering a Better Tomorrow

WebsitePhone1 office3 projects6 leadersUpdated Jun 2026

Project: Engineering Solutions for Adaptive Reuse: Investigation to Approval

Service: Geotechnical EngineeringService: Geotechnical DesignService: Foundation EvaluationsIndustry: Environmental & RemediationIndustry: Water ResourcesType: Geotechnical Engineering+43 more

Diaz-Yourman & Associates

Geotechnical consulting services for infrastructure, transportation, and environmental projects

Website1 projects4 credentialsFounded 1992Updated Jun 2026

Project: Anaheim Regional Transportation Intermodal Center (ARTIC), Phase 1

Service: Geotechnical DesignService: Site and Route EvaluationsService: Geologic Hazard AssessmentsIndustry: Highways & RoadsIndustry: FederalType: Geotechnical Engineering+42 more

Dokken Engineering

Folsom, CA

Transforming design.

WebsitePhone4 offices7 projects12 leaders3 credentialsFounded 1986

Project: Zittle Family Amphitheater Shade Structure

Service: Feasibility & FundingService: Grant Writing SupportService: Preliminary Engineering & Environmental ServicesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+24 more

East-West Engineering, PLLC

West Hartford, CT

Solutions Built Upon Partnership and Trust

WebsitePhone1 office1 leadersFounded 2020Updated Jun 2026

Service detail: Site Civil Engineering

Service: Site Civil EngineeringService: Concept Plans and Feasibility StudiesService: Site Plan and SubdivisionsIndustry: Land DevelopmentIndustry: Stormwater & Flood ControlType: Civil Engineering+27 more

Emmons & Olivier Resources, Inc.

Water | Ecology | Community

Website6 projectsUpdated Jun 2026

Project: Brown's Creek Restoration

Service: Civil EngineeringService: Sustainable Site DesignService: Water-Resource Civil DesignIndustry: Water ResourcesIndustry: Environmental & RemediationType: Civil Engineering+46 more

Engineering Surveys & Services

Columbia, MO

Delivering Your Vision

Website1 office4 leadersFounded 1954Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Planning & DevelopmentService: Transportation DesignIndustry: CommercialIndustry: IndustrialType: Civil Engineering+40 more

Fiedler Group

Pasadena, CA

Fiedler Group is a Pasadena, California-based design and engineering firm founded in 1957, specializing in fueling station and petroleum facility engineering. It provides site investigation reports, entitlement processing, design and engineering, permit acquisition, bidding and procurement assistance, construction support, and program management across the retail petroleum, convenience market, alternative fuels, industrial and petrochemical, food service, commercial, and government sectors throughout the United States. As of January 1, 2026, Fiedler Group joined TAIT and Associates.

WebsitePhone1 officeFounded 1957Updated Jun 2026

Service detail: Design and Engineering

Service: Site Investigation ReportsService: EntitlementService: Design and EngineeringIndustry: Oil & GasIndustry: RetailType: Environmental Engineering+14 more

Geo-Logic Associates, Inc.

Ontario, CA

Listening to What Our Clients Want, Delivering Solutions.

WebsitePhone1 office4 leaders28 credentialsFounded 1991Size Estimate: 400 employees
Service: Civil EngineeringService: Construction SupportService: EnvironmentalIndustry: Environmental & RemediationIndustry: MiningType: Civil Engineering+17 more

Geotechnical Resources, Inc.

Tigard, OR

Technical Innovations and Practical Design Solutions

WebsitePhone5 offices3 projects2 credentialsFounded 1984Updated Jun 2026

Project: City of Corvallis Pavement Management Program

Service: Geotechnical EngineeringService: Foundation and Retaining Structure DesignService: Seismic and Slope StabilityIndustry: AviationIndustry: AirportsType: Geotechnical Engineering+38 more

Honor Engineer Company

Harrisburg, PA

Advanced geospatial technology and civil design professionals.

WebsitePhone2 offices5 leadersUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Early Planning & PermittingService: Final DesignIndustry: FederalIndustry: GovernmentType: Civil Engineering+20 more

Lefrancois Engineering, PLLC

Truckee, CA

Engineering From the Ground Up

WebsitePhone1 office7 projects1 leaders1 credentialsFounded 2023

Project: Lake Country Estates Roadway and Drainage Improvements

Service: Civil EngineeringService: Site planning and gradingService: Utility layout and designIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+50 more

Petry Engineering, LLC

Fairfield, NJ

Petry Engineering, LLC was formed in 2008 by a group of professionals with nearly two decades of shared experience in northern New Jersey engineering. Operating with working principals and minimized overhead, it delivers cost-effective civil, structural, and municipal engineering services to public and private sector clients throughout New Jersey.

WebsitePhone1 office18 projectsFounded 2008Updated Jun 2026

Project: Acura

Service: Civil EngineeringService: Site Evaluation and Feasibility StudiesService: Development PlanningIndustry: GovernmentIndustry: CommercialType: Civil Engineering+46 more

Pioneer Technical Services, Inc.

Butte, MT

Forging a bright and sustainable future together.

WebsitePhone1 office6 projects3 leaders10 credentialsFounded 1992

Project: Prickly Pear Creek Realignment Project

Service: EnvironmentalService: Site Assessment and InvestigationService: Remediation Design and Construction ManagementIndustry: Environmental & RemediationIndustry: MiningType: Environmental Engineering+43 more

R C Costello Assoc Inc

Redondo Beach, CA

Professional Chemical Engineering Design & Process Solutions

WebsitePhone1 office3 publicationsUpdated Jun 2026

Service detail: Chemical Process and Plant Design

Service: Chemical Process and Plant DesignService: Chemical Process DesignService: Biofuels Plant DesignIndustry: Biomass & BioenergyIndustry: ChemicalsType: Chemical Engineering+49 more

Robison Engineering Co Inc

Reno, NV

Dedicated professional engineers, surveyors, and environmental scientists.

WebsitePhone1 office7 leadersFounded 1995Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Layout and Grading PlansService: Sewer Conveyance and Septic DesignIndustry: MiningIndustry: Renewable EnergyType: Civil Engineering+28 more

S.T. Hudson Engineers, Inc.

Complete Marine Engineering Solutions

Website3 projectsUpdated Jun 2026

Project: Delaware Memorial Bridge Ship Collision Fender System

Service: Investigation ServicesService: Hydrographic SurveyService: Geophysical SurveyIndustry: Ports & HarborsIndustry: MarineType: Marine Engineering+25 more

Sera Engineered, LLC

Washington, DC

Engineering the Future

WebsitePhone2 offices7 projects5 leadersFounded 2019Updated Jun 2026

Project: 1525 Broadway Road

Service: Site DesignService: Commercial Site DesignService: Residential Site DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+41 more

TFMoran, Inc.

Bedford, NH

Land Planning Specialists

WebsitePhone2 offices5 projects1 leaders1 credentialsFounded 1968

Project: The Village on Technology Hill

Service: Civil EngineeringService: Drainage Analysis and DesignService: Road Plan and ProfilesIndustry: RetailIndustry: IndustrialType: Civil Engineering+52 more

Tait and Associates, Inc.

Santa Ana, CA

Experience matters.

WebsitePhone1 office18 projectsFounded 1964Updated Jun 2026

Project: Shea Dyer Business Park

Service: Civil EngineeringService: Roadway DesignService: Water, Sewer & Storm DrainIndustry: GovernmentIndustry: CommercialType: Civil Engineering+47 more

Taylor Wiseman & Taylor

Mt. Laurel, NJ

Focused on the Future, Built on Tradition, Committed to Excellence... Since 1901

WebsitePhone1 office8 projectsFounded 1901Updated Jun 2026

Project: Route 295 Mapping Project

Service: Land SurveyingService: Boundary SurveysService: Topographic SurveysIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+45 more

The Turner Group

Concord, NH

Designing with Precision, Engineering with Care

WebsitePhone1 office3 leadersUpdated Jun 2026

Service detail: Architectural Services

Service: Architectural ServicesService: Feasibility AssessmentService: Building StudiesIndustry: EducationIndustry: GovernmentType: Architecture & Engineering+24 more

WestLand Resources, Inc.

Tucson, AZ

Passionate About Our Work. Passionate About Our People.

WebsitePhone9 offices6 leadersFounded 1997Size Estimate: 170+ employeesUpdated Jun 2026

Service detail: Cultural Resources

Service: Cultural ResourcesService: Archaeological SurveysService: Historic Preservation ReviewsIndustry: GovernmentIndustry: MiningType: Environmental Engineering+27 more