Public engineering firm directory

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A&M Consulting Engineers

Visalia, CA

Moving Our Communities Infrastructure Forward

WebsitePhone2 offices3 projectsUpdated Jun 2026

Project: Gateway Park

Service: Water ResourcesService: Hydraulic AnalysisService: Municipal Water Well Planning and DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+44 more

Ask Energy Inc

Carlsbad, CA

Building a Greener Future Together.

WebsitePhone7 offices13 leadersFounded 2017Size Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Energy Analysis and Engineering

Service: Energy Analysis and EngineeringService: Energy AuditsService: Energy ModelingIndustry: CommercialIndustry: EducationType: Power & Utility Engineering+9 more

Boarhog LLC

San Diego, CA

Defense. Engineering. Innovation.

WebsitePhone3 offices4 projects4 leaders2 credentialsSize Estimate: 40 employees

Project: USS PINCKNEY (DDG-91) CANES Installation

Service: Systems Engineering and Technical Assistance (SETA)Service: Requirements and Test PlanningService: Integrated Logistics SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+29 more

C2 Group

San Diego, CA

A Modern Program Management Company

WebsitePhone2 offices2 projects1 credentialsUpdated Jun 2026

Project: San Diego Roadway As-Built Mapping

Service: Engineering and PM/CM ServicesService: Project ManagementService: Construction ManagementIndustry: InfrastructureIndustry: Electric UtilitiesType: Civil Engineering+24 more

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects11 leaders3 publicationsFounded 2005

Project: 350MW Data Center Power Generation & Substation Facility

Service: EngineeringService: Pipeline EngineeringService: Transmission And Midstream Pipeline DesignIndustry: Oil & GasIndustry: UtilitiesType: EPC+51 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

Diablo Engineering Group

Oakland, CA

Transportation Infrastructure and Civil Engineering Practice

WebsitePhone2 offices6 projects9 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: 880 Safety 29th 23rd

Service: Civil Engineering DesignService: Streetscape, Roadway, Highway, and Interchange DesignService: Precise Grading and Improvement Plans PreparationIndustry: CommercialIndustry: ResidentialType: Civil Engineering+39 more

Epsilon Systems Solutions, Inc.

San Diego, CA

Epsilon Systems Solutions, Inc. is a defense engineering and technical services provider headquartered in San Diego, California, with facilities in Portsmouth, Virginia, Mayport, Florida, and Pearl Harbor, Hawaii. Epsilon Systems provides marine engineering and ship repair for all classes of U.S. Navy vessels, C5ISR systems engineering and intelligence support, manufacturing of advanced military and commercial products, and technical services including geospatial analysis, environmental compliance, and simulation training. Operating over 125,000 square feet of repair, modernization, and manufacturing facilities near major U.S. Navy homeports, Epsilon Systems holds SUBSAFE certification on all classes of submarines and serves the U.S. Navy, NAVAIR, NAVSEA, and the broader national security community.

Website5 offices12 credentialsUpdated Jun 2026

Service detail: Navy Ship Repair and Modernization

Service: Navy Ship Repair and ModernizationService: SUBSAFE Submarine Modernization and RepairService: Alteration Installation Team (AIT) ServicesIndustry: DefenseIndustry: MarineType: Defense Engineering+30 more

Global Engineering Management Solutions, Inc.

Los Angeles, CA

Engineering & Management Services

WebsitePhone1 officeUpdated Jun 2026

Service detail: Program Management

Service: Program ManagementService: Program Framework and PMO MobilizationService: Program Administration and ControlsIndustry: Highways & RoadsIndustry: BridgesType: Owner's Engineer+23 more

Kittelson & Associates

Orlando, FL

Transforming how communities move

WebsitePhone31 offices6 projects3 publicationsFounded 1984Size Estimate: 200-500 employees

Project: Lancaster County Freight Infrastructure Prioritization

Service: Transportation PlanningService: Corridor and regional studiesService: Freight planning and infrastructure prioritizationIndustry: GovernmentIndustry: FederalType: Transportation Engineering+44 more

Michael Baker International

Pittsburgh, PA

We Make a Difference

Website18 offices5 projects15 leaders5 credentials4 publicationsFounded 1940

Project: Fika Remote Footbridge Build

Service: Infrastructure EngineeringService: Roadway and Highway DesignService: Bridge Design and InspectionIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+46 more

SRT Consultants

San Francisco, CA

Client-focused engineering and management solutions for complex water and wastewater utility challenges

WebsitePhone3 offices19 leaders5 credentialsFounded 2004Updated Jun 2026

Service detail: Water Resources & Planning

Service: Water Resources & PlanningService: Feasibility StudiesService: Integrated Water Resource PlanningIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+46 more

Terravanta, Inc.

Long Beach, CA

Bringing expertise in the Infrastructure, Utility, Energy and Transportation sectors

WebsitePhone3 offices6 projects7 leaders2 credentialsUpdated Jun 2026

Project: Generation Strategy Division Catalina Island & Big Creek

Service: Project & Construction ManagementService: Project ControlsService: Program ManagementIndustry: InfrastructureIndustry: UtilitiesType: Civil Engineering+13 more

The Allen Group

San Francisco, CA

Delivering Enduring Value

WebsitePhone3 offices1 projects1 leadersUpdated Jun 2026

Project: Southeast Community Center

Service: Project & Construction ManagementService: Federal PM OversightService: Community RelationsIndustry: AirportsIndustry: TransitType: Owner's Engineer+5 more

The Thier Group, LLC

San Francisco, CA

From concept to reality

Website1 office3 leadersUpdated Jun 2026

Service detail: Strategic Communications

Service: Strategic CommunicationsService: Community Outreach ProgramsService: Public AffairsIndustry: InfrastructureIndustry: GovernmentType: Owner's Engineer+14 more

Urban Engineers Inc

Philadelphia, PA

Be Part of Something Bigger

WebsitePhone14 offices7 projects7 leaders4 credentialsFounded 1960

Project: I-78/SR 61 Bridge Replacement and Interchange Reconstruction

Service: PlanningService: Multimodal Circulation PlanningService: Bicycle & Pedestrian PlanningIndustry: AviationIndustry: BridgesType: Civil Engineering+47 more

Wassel Corporation

El Segundo, CA

We turn challenges into opportunities.

WebsitePhone1 office1 leadersFounded 2013Updated Jun 2026

Service detail: Military Training & Simulation

Service: Military Training & SimulationService: Combat Training Center Instrumentation SystemsService: Force-On-Force Tactical TrainingIndustry: HealthcareIndustry: Public SafetyType: Defense Engineering+31 more

West Yost

Woodland, CA

Advancing Water Resources for Future Generations

WebsitePhone2 offices4 projects1 leaders8 credentialsFounded 1990

Project: Davis-Woodland Water Supply Project

Service: Water ServicesService: Water Master PlanningService: Hydraulic ModelingIndustry: Water SupplyIndustry: GovernmentType: Automation & Controls+48 more