Public engineering firm directory

Find engineering consulting firms by capability and location.

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AIM Engineering Consultants, Inc.

Pleasanton, CA

Best-In-Class Engineering Expertise

WebsitePhone1 office3 projects1 leadersUpdated Jun 2026

Project: Fremont Blvd/Old Warm Springs Blvd - New Signal

Service: Civil EngineeringService: Municipal Plan CheckingService: Plans, Specifications, and Estimates (PS&E)Industry: TransportationIndustry: Highways & RoadsType: Civil Engineering+41 more

Aix Consulting Inc

Long Beach, CA

The command center for infrastructure and safety. Operational readiness. Absolute precision.

Website3 offices6 projectsUpdated Jun 2026

Project: Pier B On-Dock Rail Support Facility

Service: Infrastructure & ConstructionService: Civil Engineering and DesignService: Construction Management and OversightIndustry: InfrastructureIndustry: TransitType: Civil Engineering+13 more

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 Projects

Bucharest, IL

One-stop engineering and project management services throughout the project life cycle.

WebsitePhone3 offices6 projects6 leadersFounded 2008Updated Jun 2026

Project: Construction Management of a New Wheat Factory

Service: Design ServicesService: Architectural DesignService: Civil EngineeringIndustry: AutomotiveIndustry: CommercialType: Architecture & Engineering+29 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

Group14 Engineering, PBC

Denver, CO

Inspiring Better Buildings

WebsitePhone1 officeUpdated Jun 2026

Service detail: Energy Services

Service: Energy ServicesService: Energy Modeling & Xcel EDA ConsultingService: Energy Audits & Building Performance Standard (BPS) SupportIndustry: Affordable HousingIndustry: AviationType: Mechanical Engineering+28 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

James Posey Associates, Inc.

Baltimore, MD

Engineering Your Vision

WebsitePhone1 office6 leaders3 credentialsFounded 1911Updated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: EducationIndustry: GovernmentType: Mechanical Engineering+20 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

MIRABAL Engineering PLLC

New York, NY

Goals. Commitment. Plan of Action.

WebsitePhone1 office5 projects2 credentialsUpdated Jun 2026

Project: SANDRESM2

Service: Construction ManagementService: Construction Planning and SchedulingService: Field Execution MonitoringIndustry: InfrastructureIndustry: Water SupplyType: Civil Engineering+10 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

Planet Defense LLC

Fairfax, VA

Digital transformation, cybersecurity, and smart city solutions for government and commercial clients worldwide.

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: Virginia Smart Community Testbed

Service: CybersecurityService: Risk and Vulnerability AssessmentsService: Industrial Control Systems SecurityIndustry: FederalIndustry: GovernmentType: Software Engineering+67 more

SwitchBox LLC

Dexter, MI

From Concept to Reality

WebsitePhone1 office6 projectsUpdated Jun 2026

Project: Electric Motor Upgrade

Service: Systems EngineeringService: Concept DevelopmentService: System ArchitectureIndustry: AutomotiveIndustry: MarineType: Automation & Controls+65 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

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