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.

Filters3

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects10 leaders7 credentialsFounded 1983

Project: SFO Harvey Milk Terminal Boarding Area B

Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyService: Seismic Design & AnalysisIndustry: AirportsIndustry: Water SupplyType: Geotechnical Engineering+40 more

ATC Design Group

Escondido, CA

California's Only One Stop Shop

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Planning and Permitting

Service: Planning and PermittingService: EntitlementsService: Permit ExpeditingIndustry: CommercialIndustry: RetailType: Architecture & Engineering+37 more

Abi Engineering Consultants Inc

Santa Ana, CA

Geotechnical, Civil, and Structural Engineering Across California and the Western States

WebsitePhone1 office10 projects2 leadersFounded 2004Updated Jun 2026

Project: LA Metro Gold Line - MSE Wall

Service: Geotechnical EngineeringService: Site Investigation and Subsurface ExplorationService: Foundation Design and Lateral Earth Pressure AnalysisIndustry: CommercialIndustry: IndustrialType: Civil Engineering+39 more

American Engineering Laboratories, Inc.

La Habra, CA

Providing High Quality Results in a Cost Effective and Timely Manner

WebsitePhone5 offices9 leaders5 credentialsUpdated Jun 2026

Service detail: Construction Inspection

Service: Construction InspectionService: Masonry Inspections and TestingService: Batch Plant InspectionsIndustry: EducationIndustry: GovernmentType: Civil Engineering+28 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 more

Blue Horizon Consulting Engineers Inc.

Newport Beach, CA

Structural engineering for residential, commercial, industrial, and coastal projects

WebsitePhone1 officeUpdated Jun 2026

Service detail: Building Structural Design

Service: Building Structural DesignService: Foundations, Retaining Walls & ShoringService: Retrofit, Coastal & Specialty EngineeringIndustry: ResidentialIndustry: CommercialType: Structural Engineering+6 more

Brierley Associates Corporation

Englewood, CO

Creating Space Underground

WebsitePhone20 offices4 projects6 leaders11 credentialsUpdated Jun 2026

Project: Champlain Hudson Power Express Trenchless Crossings

Service: Tunneling EngineeringService: Trenchless EngineeringService: Horizontal Directional Drilling (HDD)Industry: Water SupplyIndustry: WastewaterType: Geotechnical Engineering+20 more

Edifica USA

Lake Forest, CA

Multi-discipline geotechnical, structural, and environmental engineering services

WebsitePhone2 offices1 projectsUpdated Jun 2026

Project: SPLA Port

Service: Geotechnical EngineeringService: Geotechnical Design and AnalysisService: Subsurface Exploration for InfrastructureIndustry: Ports & HarborsIndustry: Highways & RoadsType: Geotechnical Engineering+40 more

Engineered Power Solutions

Templeton, CA

Powering Innovation

WebsitePhone1 office1 projects6 leaders2 credentialsFounded 2012

Project: Voyager Tracker Project

Service: Structural EngineeringService: Photovoltaic (PV) System DesignService: Utility-Scale Infrastructure EngineeringIndustry: SolarIndustry: Power GenerationType: Structural Engineering+4 more

Engineering Analytics, Inc.

Fort Collins, CO

Professional civil and environmental engineering solutions

WebsitePhone4 officesFounded 2008Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Site Civil DesignService: Structural DesignIndustry: MiningIndustry: AerospaceType: Civil Engineering+47 more

Engineering Systems Inc.

Scottsdale, AZ

Multidisciplinary Expertise. Industry Insight.

Website22 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Uncovering the Truth Behind a Toy Archery Injury

Service: Accident ReconstructionService: Motor Vehicle Accident ReconstructionService: Industrial and Workplace Incident AnalysisIndustry: AgricultureIndustry: MiningType: Chemical Engineering+57 more

GFT Infrastructure, Inc.

Chicago, IL

Ingenuity That Shapes Lives

WebsitePhone12 offices10 projects10 leaders8 credentials3 publications

Project: O'Hare International Airport Terminal 5 Expansion

Service: Transportation EngineeringService: Roadway Planning and EngineeringService: High-Availability Transit FacilitiesIndustry: TransportationIndustry: BridgesType: Architecture & Engineering+43 more

GMU Geotechnical, Inc.

Rancho Santa Margarita, CA

Over 50 Years of Engineering Excellence

WebsitePhone1 office9 projects5 credentialsUpdated Jun 2026

Project: Boulder Pond Park

Service: Geotechnical EngineeringService: Site ExplorationService: Slope Stability and Landslide AnalysisIndustry: CommercialIndustry: RetailType: Civil Engineering+41 more

Gall Zeidler Consultants

Ashburn, VA

Innovative tunnel, geotechnical, and underground engineering solutions

WebsitePhone10 offices7 projects3 leaders7 credentialsUpdated Jun 2026

Project: Potomac River Tunnel

Service: Tunnel and Underground Engineering DesignService: Reference and Detailed DesignService: Design Concepts, Options and FeasibilityIndustry: TunnelsIndustry: TransitType: Civil Engineering+25 more

HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 more

InfraTerra

San Francisco, CA

Consulting services for the earth and the built environment

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Seismic Hazard Assessment

Service: Seismic Hazard AssessmentService: Dynamic Structural Analysis and Numerical SimulationsService: Seismic Structural ReviewsIndustry: Water SupplyIndustry: Water ResourcesType: Civil Engineering+13 more

InnoDez

Los Angeles, CA

Your One-Stop Shop for MEP and Structural Engineering

WebsitePhone8 offices5 projectsSize Estimate: 20-100 employeesUpdated Jun 2026

Project: MEP and Fire Protection for Triple Decker Multifamily Project

Service: Mechanical EngineeringService: Heating designService: Cooling designIndustry: CommercialIndustry: HealthcareType: Civil Engineering+72 more

Kleinfelder

San Diego, CA

Bright People. Right Solutions.

Website1 officeFounded 1961Updated Jun 2026

Service detail: Geotechnical

Service: EnvironmentalService: GeotechnicalService: Tailings Facility DesignIndustry: AviationIndustry: CommercialType: Automation & Controls+57 more

Lumos & Associates

Carson City, NV

Responsible Engineering

WebsitePhone8 offices7 projects3 leaders9 credentialsUpdated Jun 2026

Project: Tahoe Keys Upper Truckee Marsh

Service: Civil EngineeringService: TransportationService: Stormwater Analysis and DesignIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+36 more

PGA Engineers Inc.

Brea, CA

We Provide the Plans and Preparations to Build a Sustainable Future for Our Cities and Communities

WebsitePhone1 officeSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Substation and Utility Site DevelopmentService: Grading and Drainage PlansIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Civil Engineering+21 more

Partner Engineering and Science, Inc.

Pasadena, CA

Engineers Who Understand Your Business

WebsitePhone17 offices7 projects11 leadersSize Estimate: 1,500+ employeesUpdated Jun 2026

Project: Adaptive Reuse of North Riverfront Historic Industrial Portfolio

Service: Building Assessments & EngineeringService: Property Condition Assessment ReportsService: Commercial Building InspectionIndustry: CommercialIndustry: Multifamily ResidentialType: Environmental Engineering+53 more

RockSol Consulting Group

Thornton, CO

RockSol Consulting Group is a full-service civil and transportation engineering practice founded in 1996. Headquartered in Thornton, Colorado, with multiple regional offices and accredited materials testing laboratories, it delivers engineering services across planning, environmental analysis, structural and geotechnical design, construction management, and inspection. It primarily supports state departments of transportation, federal land agencies, and municipal public works departments throughout the western United States.

WebsitePhone7 offices5 projects5 credentialsFounded 1996Size Estimate: 201-500 employees

Project: US 40 Berthoud Pass West Resurfacing

Service: Transportation EngineeringService: Transportation planning and impact studiesService: Roadway and highway designIndustry: GovernmentIndustry: FederalType: Civil Engineering+45 more