Public engineering firm directory

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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

Agapito Associates LLC

Grand Junction, CO

Technical expertise and sound analysis for your mining project, both large and small.

WebsitePhone3 offices3 projects2 leaders2 publicationsFounded 1978

Project: Green River Project NI 43-101 Exploration Target

Service: Mining EngineeringService: Mine PlanningService: Ground-Control DesignIndustry: MiningIndustry: Aggregates & QuarryingType: Mining Engineering+27 more

Alliance Consulting, Inc.

Beaver, WV

Professional Consulting Services

WebsitePhone2 offices6 projects15 credentialsFounded 2001Updated Jun 2026

Project: Flat Top Lake Dam

Service: Civil EngineeringService: Site Development ServicesService: Structural Engineering ServicesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+53 more

Ammonite Resources

Houston, TX

Ammonite Resources provides geotechnical and economic advisory services for the petroleum and mineral industries worldwide. Established in 1982, it assists clients with investment due diligence, strategic planning, international contract negotiations, corporate finance, and acquisitions and divestitures. It is headquartered in Connecticut with a network of associate offices across the United States, Canada, and the United Kingdom.

Website9 offices25 leadersFounded 1982Updated Jun 2026

Service detail: Investment Due Diligence

Service: Investment Due DiligenceService: First-Pass Opportunity ReviewsService: Joint Venture Evaluation and RepresentationIndustry: Oil & GasIndustry: MiningType: Geotechnical Engineering+19 more

Atlantic Testing Laboratories, Limited

Canton, NY

Atlantic Testing Laboratories, Limited (ATL) is a full-service engineering support firm with eleven offices throughout New York State, providing geotechnical engineering, materials testing, environmental services, and subsurface investigation to infrastructure, industrial, governmental, and private clients across the Northeast, Midwest, and Mid-Atlantic regions. ATL maintains a database of more than 6,000 completed geotechnical and subsurface investigation projects in the Northeastern United States, in-house geotechnical laboratories, a diverse fleet of drill rigs, and an in-house fabrication shop for custom field tools. Key capabilities include subsurface investigations (soil and rock sampling, SPT, CPT, groundwater monitor well construction), construction material testing (concrete, steel, asphalt, masonry), geotechnical engineering (foundation design, pavement design, slope stability, dynamic pile testing), environmental services (Phase 1 and 2 ESA, asbestos and lead surveys, mold assessment, SWPPP inspections, vapor intrusion assessments), and nondestructive testing.

Website2 offices4 projectsUpdated Jun 2026

Project: Tappan Zee Bridge

Service: Subsurface InvestigationsService: Soil and Rock SamplingService: Standard Penetration Testing (SPT)Industry: InfrastructureIndustry: GovernmentType: Geotechnical Engineering+46 more

Cardno Engineering Services

Cardno MM&A delivers geological, environmental, hydrogeological, and mining engineering services with a focus on energy and mineral resources analysis. Professional geologists, hydrogeologists, mining engineers, civil engineers, and geotechnical engineers collaborate with clients across the Americas from approximately 270 offices and 4,500 personnel to address resource, environmental, and subsurface engineering challenges.

WebsiteSize Estimate: 4,500 employeesUpdated Jun 2026

Service detail: Geological and Geotechnical Services

Service: Geological and Geotechnical ServicesService: Environmental EngineeringService: Coal Refuse Disposal Facility Design and PermittingIndustry: MiningIndustry: Environmental & RemediationType: Geotechnical Engineering+23 more

Central Engineering Services

Tualatin, OR

All Moving Forward Together.

WebsitePhone4 offices7 leadersFounded 2015Size Estimate: 25-50 employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Assessment and ReportingIndustry: FederalIndustry: GovernmentType: Geotechnical Engineering+22 more

ConformaTech, Inc.

Tucson, AZ

ConformaTech, Inc. is a Tucson, Arizona-based geotechnical engineering, construction materials testing, and environmental consulting firm with over 30 years of operation in Southern Arizona. Company staff include two professional geotechnical engineers, a professional geologist, and 18 field and laboratory technicians, operating a full-service materials testing and soil laboratory from a 6,000 square-foot facility near Kino Parkway and Benson Highway in Tucson. ConformaTech serves Pima County municipalities, regional agencies, private developers, and contractors on construction, geotechnical, and environmental projects throughout the region.

WebsitePhone1 office6 credentialsUpdated Jun 2026

Service detail: Construction Materials Testing

Service: Construction Materials TestingService: In-place moisture content and dry density testingService: Asphalt placement observation and samplingIndustry: GovernmentIndustry: Highways & RoadsType: Geotechnical Engineering+33 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

ESC Pacific

ESC Pacific is a U.S. engineering firm with offices in Guam, providing architect-engineering design, geotechnical engineering and geophysics, topographic surveying, inspection services, and environmental services. ESC Pacific is part of the ESC family of companies, which is headquartered in Hawaii and serves clients at US military and government facilities throughout the Pacific region.

WebsiteUpdated Jun 2026

Service detail: Architect-Engineering Design

Service: Architect-Engineering DesignService: Geotechnical Engineering and GeophysicsService: Topographic SurveyIndustry: DefenseIndustry: FederalType: Civil Engineering+6 more

ESG Solutions

Houston, TX

Microseismic Subsurface Diagnostics

WebsitePhone3 offices11 projectsFounded 1993Updated Jun 2026

Project: Microseismic Monitoring of Quest's CCUS Operation

Service: Energy ServicesService: Hydraulic Fracture MonitoringService: Induced Seismicity MonitoringIndustry: Oil & GasIndustry: MiningType: Geotechnical Engineering+26 more

Earth Design Associates, Inc.

Hartford, CT

Consulting Engineers and Scientists

WebsitePhone2 offices1 leadersUpdated Jun 2026

Service detail: Civil and Geotechnical Engineering

Service: Civil and Geotechnical EngineeringService: Geotechnical Site InvestigationsService: Foundation DesignIndustry: TransportationIndustry: InfrastructureType: Civil Engineering+25 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

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

Fuss & O'Neill

Solve better. Go further.

Website6 projects4 leadersSize Estimate: 430+ employeesUpdated Jun 2026

Project: Walker Farm Recreation and Resilience Improvement Project

Service: Civil EngineeringService: Architectural CollaborationService: Building Adaptive ReuseIndustry: EducationIndustry: GovernmentType: Civil Engineering+88 more

Geo-Logic Associates, Inc.

Ontario, CA

Listening to What Our Clients Want, Delivering Solutions.

WebsitePhone1 office4 leaders28 credentialsFounded 1991Size Estimate: 400 employees
Service: Civil EngineeringService: Construction SupportService: EnvironmentalIndustry: Environmental & RemediationIndustry: MiningType: Civil Engineering+17 more

Geostock Sandia LLC

Pioneering Underground Energy Storage & Subsurface Injection

Website1 projects3 credentialsUpdated Jun 2026

Project: Strategic Biofuels Class VI Well Permitting

Service: Underground Injection & Well EngineeringService: Class I Hazardous & Non-Hazardous Waste DisposalService: Class VI Carbon Dioxide SequestrationIndustry: Carbon CaptureIndustry: Energy StorageType: Geotechnical Engineering+27 more

Geotechnical Environmental Services Inc

Las Vegas, NV

Delivering geotechnical engineering, environmental consulting, and construction materials testing services across the Western United States

WebsitePhone4 offices6 projects1 leaders1 credentialsFounded 1992

Project: Las Vegas Convention Center Expansion Phase 2

Service: Geotechnical EngineeringService: Subsurface Exploration and TestingService: Soil StabilizationIndustry: EducationIndustry: IndustrialType: Geotechnical Engineering+19 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

Marino Engineering Associates, Inc.

St. Louis, MO

Advanced Geotechnical, Subsidence, and Forensic Engineering

WebsitePhone3 offices1 leadersUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Shallow & Deep FoundationsService: Earth Retaining SystemsIndustry: MiningIndustry: Oil & GasType: Geotechnical Engineering+35 more

Mcmahon Mann Consulting Engineering And Geology P C

Buffalo, NY

Solving Complex Engineering and Geology Challenges Since 1993

WebsitePhone1 office8 projects8 leaders2 credentialsFounded 1993

Project: Buffalo AKG Art Museum

Service: Geotechnical EngineeringService: Dams and LeveesService: Foundation EngineeringIndustry: Aggregates & QuarryingIndustry: MiningType: Civil Engineering+22 more

Poly, Inc.

Dothan, AL

Architecture & Engineering Services

WebsitePhone4 offices6 projects12 leaders1 credentialsFounded 1959

Project: Okaloosa Island Water Booster Station Replacement

Service: ArchitectureService: Building design and programmingService: Construction documentation and administrationIndustry: GovernmentIndustry: WastewaterType: Architecture & Engineering+72 more

RK&K

Baltimore, MD

Responsive People. Creative Solutions.

WebsitePhone1 office11 projects7 leaders6 credentials1 publications

Project: BikeHoward Howard County Bicycle Master Plan

Service: Alternative DeliveryService: Construction Management at Risk (CMAR)Service: Design-BuildIndustry: GovernmentIndustry: TransportationType: Civil Engineering+83 more

SMV Engineering, PLLC

Building Trust and Strong Working Relationships Through Technical Competence, Professionalism, and Leadership

Website9 projects1 leadersFounded 2016Updated Jun 2026

Project: Duanesburg Sewer Collection and WWTP Upgrade

Service: Geotechnical ConsultingService: Subsurface Exploration and EvaluationService: Hydrogeological StudiesIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+38 more