Public engineering firm directory

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Alpha Sieger Engineering Services

Gaithersburg, MD

Expert Transportation Engineering & Construction Management Services

WebsitePhone1 office2 projects1 leadersFounded 2014Updated Jun 2026

Project: DDOT Federal-Aid Citywide Pavement Restoration IDIQ Contract

Service: Transportation, Traffic, and Safety StudiesService: Vision Zero StudiesService: Highway Safety Improvement Program (HSIP) StudiesIndustry: Highways & RoadsIndustry: TransportationType: Transportation Engineering+11 more

Altieri Sebor Wieber, LLC

Wilton, CT

Making Bold Visions Work

WebsitePhone2 offices5 projects1 leaders2 credentialsUpdated Jun 2026

Project: David Rockefeller Creative Arts Center

Service: MEPF EngineeringService: Mechanical EngineeringService: Building Automation and Energy ManagementIndustry: Arts & CultureIndustry: EducationType: MEP+56 more

Blue Ocean Civil Consulting

Oceanside, CA

Your success is our success.

WebsitePhone3 offices7 projects2 leaders2 credentialsUpdated Jun 2026

Project: Kunia Country Farms

Service: Stormwater ManagementService: Stormwater Planning and ProgrammingService: Watershed Management and PlanningIndustry: AutomotiveIndustry: DefenseType: Civil Engineering+73 more

Burton Planning Services

Westerville, OH

Providing sustainable planning and environmental solutions.

WebsitePhone1 office4 projects1 leaders5 credentialsFounded 2008

Project: Livingston MT Growth Policy

Service: Community Planning and DevelopmentService: Comprehensive PlansService: Land Use Planning and Growth PoliciesIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+23 more

C2 Consulting Collective

San Diego, CA

Mobility & Technology in Transportation

WebsitePhone1 office3 projects4 leaders5 credentialsSize Estimate: 1-10 employees

Project: Petco Park Gallagher Square 20th Anniversary

Service: Transportation Planning and EnvironmentalService: Vehicle Miles Traveled AnalysisService: CEQA and NEPA SupportIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+56 more

Chen Ryan Associates, Inc.

San Diego, CA

Innovative Mobility Solutions For Our Changing World

WebsitePhone2 officesFounded 2011Size Estimate: 50-100 employeesUpdated Jun 2026

Service detail: Civil and Traffic Engineering Design

Service: Civil and Traffic Engineering DesignService: Park and Recreation DesignService: Bicycle and Pedestrian DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+36 more

DKS Associates

Oakland, CA

Shaping a Smarter Transportation Experience

Website8 offices7 projects1 leaders22 credentials4 publicationsFounded 1979

Project: Bellevue Downtown Multimodal Plan

Service: Transportation Planning & AnalysisService: Multimodal Corridor StudiesService: Traffic Impact StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+58 more

Drexel, Barrell & Co.

Boulder, CO

Quality land surveying and civil engineering solutions since 1949

Website6 offices7 projects7 leadersFounded 1949Updated Jun 2026

Project: US Air Force Academy Cadet Chapel Restoration

Service: Land SurveyingService: Boundary and ALTA SurveysService: Topographic and Design SurveysIndustry: GovernmentIndustry: FederalType: Civil Engineering+61 more

FPM Group

Bohemia, NY

Over 50 years of making buildings and infrastructure systems work, preserving the environment, and achieving client service excellence.

WebsitePhone1 office19 projectsUpdated Jun 2026

Project: Jones Beach West Bathhouse Pool Filtration Renovation

Service: Engineering & ArchitectureService: HVACService: PlumbingIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+47 more

Fehr & Peers

Transportation Solutions That Improve Communities

WebsiteFounded 1985Size Estimate: 400+ employeesUpdated Jun 2026

Service detail: Transportation Planning

Service: Transportation PlanningService: Multimodal Operations AnalysisService: Land Use & TransportationIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+27 more

Innovation Design And Consulting Engineers Llc

Engineering the Future with Innovative Solutions

WebsiteUpdated Jun 2026

Service detail: Feasibility Studies and Conceptual Design

Service: Feasibility Studies and Conceptual DesignService: Transportation EngineeringService: Roadway and Highway DesignIndustry: CommercialIndustry: IndustrialType: Civil Engineering+23 more

Klein Engineering, PSC

Fairfax, VA

Safe Roads Save Lives

WebsitePhone2 officesFounded 2007Updated Jun 2026

Service detail: Transportation and Traffic Studies

Service: Transportation and Traffic StudiesService: Surface TransportationService: Traffic Engineering StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+23 more

NL Engineering Water

Harlingen, TX

Our Mission Is Simple: We Engineer Water

WebsitePhone1 office4 projects2 leaders17 credentials1 publications

Project: G. Tim Lawrence Brackish Desalination Plant

Service: Brackish Groundwater DesalinationService: Reverse Osmosis System DesignService: Microfiltration System DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+24 more

Pennoni

Philadelphia, PA

Partners for What's Possible

Website1 office5 projects6 leaders6 credentials2 publicationsFounded 1966

Project: I-95 Central Access Philadelphia (CAP)

Service: Civil/SiteService: Site Planning & Land DevelopmentService: Permitting & EntitlementIndustry: CommercialIndustry: RetailType: Civil Engineering+136 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

Van Boerum and Frank Associates, Inc.

Murray, UT

Professional Engineering That Supports Your Vision

WebsitePhone5 offices12 projectsUpdated Jun 2026

Project: Mountain View Suites at Utah State University

Service: Mechanical EngineeringService: Utility Mechanical SystemsService: Medical and Sanitation SystemsIndustry: HealthcareIndustry: EducationType: MEP+32 more

Water Technology, Inc.

Beaver Dam, WI

Vision. Design. Technology. Innovation. We are WTI.

WebsitePhone2 offices13 projects4 leadersSize Estimate: 25-50 employeesUpdated Jun 2026

Project: Melco: Studio City Waterpark

Service: Aquatic Master PlanningService: Aquatic Design and EngineeringService: Waterslides and Thrill AttractionsIndustry: HospitalityIndustry: GovernmentType: Water / Wastewater Engineering+18 more

Y2K Engineering, LLC

Mesa, AZ

Providing Value First

WebsitePhone2 officesSize Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Transportation Planning

Service: Transportation PlanningService: Multimodal Transportation PlanningService: Active and Multimodal TransportationIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+12 more