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.

Filters1

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

Accumark, Inc.

Accurate Subsurface Utility Provider

WebsiteUpdated Jun 2026

Service detail: Subsurface Utility Designation and Mapping

Service: Subsurface Utility Designation and MappingService: Utility owner identification and contactService: Electronic search and field investigationIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+7 more

Advanced Environmental Engineering Inc

Civil, environmental, and municipal engineering solutions

Website3 credentialsUpdated Jun 2026

Service detail: Integrated Solid Waste Management

Service: Integrated Solid Waste ManagementService: Integrated Solid Waste Master PlansService: Facility SitingIndustry: GovernmentIndustry: Waste ManagementType: Civil Engineering+42 more

Allied Corrosion Industries, Inc.

Marietta, GA

Bringing 40+ Years of Experience to Solve Your Corrosion Challenges

WebsitePhone1 office1 leaders7 credentialsFounded 1980Updated Jun 2026

Service detail: Cathodic Protection Services

Service: Cathodic Protection ServicesService: Cathodic Protection DesignService: Cathodic Protection InstallationIndustry: Oil & GasIndustry: UtilitiesType: Electrical Engineering+23 more

Amarillo Testing & Engineering, Inc.

Amarillo, TX

Geotechnical engineering, structural design, and construction materials testing in the Texas Panhandle

WebsitePhone2 offices4 projects3 leadersFounded 1972Updated Jun 2026

Project: City of Amarillo Osage WTP High Service and Transfer Pump Station

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Geotechnical Laboratory TestingIndustry: GovernmentIndustry: Oil & GasType: Geotechnical Engineering+18 more

Applied Technologies, Inc.

Brookfield, WI

Clear Thinking

WebsitePhone2 offices4 projects2 leaders2 credentialsFounded 1986

Project: Watertown New Water Treatment Facility

Service: Water and Wastewater EngineeringService: Municipal WastewaterService: Industrial WastewaterIndustry: WastewaterIndustry: Water SupplyType: Architecture & Engineering+31 more

BSI Engineering & Surveying, Inc.

Eufaula, AL

Engineering, surveying, and environmental services across the southeast

WebsitePhone3 offices9 projects5 leadersFounded 1994Updated Jun 2026

Project: North Railroad Drainage Study

Service: PlanningService: Site Selection & AnalysisService: Site Assessment ReportsIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+36 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

Coffman Engineers

Anchorage, AK

The Right Team Matters

WebsitePhone23 offices8 projectsFounded 1982Updated Jun 2026

Project: 100 MW Hydrogen Production Plant

Service: Civil EngineeringService: Bridge EngineeringService: Land SurveyingIndustry: CommercialIndustry: RetailType: Civil Engineering+59 more

Cozairo LLC

The Woodlands, TX

Putting away carbon for good.

Website1 office1 leadersUpdated Jun 2026

Service detail: Carbon Capture and Sequestration

Service: Carbon Capture and SequestrationService: Pore Space AcquisitionService: PermittingIndustry: Carbon CaptureIndustry: Emissions ControlType: Emissions Control+14 more

DACCO SCI, INC.

Columbia, MD

Engineering Solutions for a Sustainable Future

WebsitePhone1 office8 projects1 leaders5 credentialsFounded 1988

Project: Service Line Material Identification

Service: Corrosion EngineeringService: Cathodic Protection System Design and InstallationService: Cathodic Protection System EvaluationIndustry: Water SupplyIndustry: RailType: Forensic Engineering+42 more

DCM Consulting, Inc.

Lafayette, CA

Geotechnical and Trenchless Engineering Services

WebsitePhone1 office5 projects1 leaders3 credentials4 publications

Project: CCCSD A-line Relief Interceptor Sewer Project

Service: Geotechnical EngineeringService: Foundation DesignService: Ground ImprovementIndustry: Water SupplyIndustry: WastewaterType: Geotechnical Engineering+15 more

Dawn Underground Engineering, Inc.

Flemington, NJ

Tunnels and Underground Structures Consultants

WebsitePhone1 office18 projectsUpdated Jun 2026

Project: City Tunnel No. 3

Service: Geotechnical EngineeringService: Subsurface Investigation ProgramsService: Geotechnical Data and Baseline ReportsIndustry: TunnelsIndustry: WastewaterType: Civil Engineering+19 more

DeLasCasas Cathodic Protection, LLC

Cathodic protection engineering and corrosion-control design

Website3 leaders5 credentials7 publicationsUpdated Jun 2026

Service detail: Cathodic Protection Engineering and Design

Service: Cathodic Protection Engineering and DesignService: Anode Spatial Distribution SystemsService: Pipeline Protection NetworksIndustry: Oil & GasIndustry: Water SupplyType: Materials Engineering+17 more

Decisive Dynamics LLC

Delaware, OH

Dynamic strategies. Decisive execution.

WebsitePhone1 office1 projects1 leaders2 credentialsFounded 2024

Project: City of Mount Vernon Civil Works

Service: Utility DesignService: Utility Infrastructure AssessmentService: Water and Wastewater System CoordinationIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+30 more

Dulles Geotechnical and Materials Testing Services, Inc.

Chantilly, VA

Geotechnical engineering, construction inspection, materials testing, and software solutions

WebsitePhone4 offices10 projects7 credentialsFounded 2012Size Estimate: 70+ employees

Project: I-495 Express Lanes Northern Extension (I-495 NEXT)

Service: Geotechnical EngineeringService: Engineering Analysis and DesignService: Foundation DesignIndustry: Highways & RoadsIndustry: TransitType: Geotechnical Engineering+36 more

EnTech Engineering, Inc.

St. Louis, MO

Specialists in Non-Invasive Diagnostics

WebsitePhone1 officeUpdated Jun 2026

Service detail: Subsurface Diagnostics and Non-Destructive Testing

Service: Subsurface Diagnostics and Non-Destructive TestingService: Pipeline Leak DetectionService: Pavement and Concrete InspectionIndustry: AviationIndustry: Oil & GasType: Acoustic Consulting+14 more

Environmental Science Corporation

Honolulu, HI

Environmental Science Corporation (ESC) is a US-based multinational engineering and consulting practice. It provides architect-engineering design, geotechnical engineering, geophysics, topographic surveys, technical inspections, and environmental services across Hawaii, Guam, Japan, and other Pacific locations. With offices in Tokyo, Okinawa, Misawa, and Guam, ESC supports military and government facility engineering, Pacific island infrastructure development, and multilingual project execution.

Website6 offices3 projects7 leadersSize Estimate: 25-150 employeesUpdated Jun 2026

Project: Okinawa Branch Office Solar Installation

Service: Architect-Engineering DesignService: Civil DesignService: Sustainable Design DevelopmentIndustry: DefenseIndustry: GovernmentType: Architecture & Engineering+42 more

Federal EC LLC

Woodstock, GA

Industry leader specializing in sewer repair and pipe lining

WebsitePhone1 office2 leadersFounded 1998Updated Jun 2026

Service detail: Pipe Rehabilitation

Service: Pipe RehabilitationService: Chemical GroutingService: Cured-in-Place Pipe LiningIndustry: WastewaterIndustry: Stormwater & Flood ControlType: Civil Engineering+39 more

GeoTech Engineering, Inc.

Morrisdale, PA

Providing concise and cost-effective engineering solutions

WebsitePhone3 offices2 credentialsFounded 1996Updated Jun 2026

Service detail: Civil/Site Engineering

Service: Civil/Site EngineeringService: Commercial, Industrial and Retail Site DevelopmentService: Residential Site Feasibility StudiesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+39 more

H2O Terra, LLC

El Paso, TX

Elevating Infrastructure, Above and Below.

WebsitePhone1 office3 credentialsUpdated Jun 2026

Service detail: Water Resources Engineering

Service: Water Resources EngineeringService: Water EngineeringService: Wastewater EngineeringIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+31 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

Halle's Engineering & Design, LLC

Akron, OH

Civil engineering services for public sector clients

Website1 office1 leaders1 credentialsFounded 2020Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Traffic ControlService: Pavement MarkingsIndustry: GovernmentIndustry: TransportationType: Civil Engineering+18 more

Hawaiian Corrosion Services LLC

Full Service Provider of Corrosion Engineering & Cathodic Protection for the Pacific Basin

Website2 credentialsFounded 1997Updated Jun 2026

Service detail: Cathodic Protection Design

Service: Cathodic Protection DesignService: Design Review and Document AnalysisService: Pre-Analysis and Performance ModelingIndustry: Oil & GasIndustry: Power GenerationType: Materials Engineering+17 more