Public engineering firm directory

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Advanced Geotechnical Engineering LLC

Pearl City, HI

Building Our World on Solid Foundations

WebsitePhone1 office5 projects1 leadersUpdated Jun 2026

Project: Honolulu Rapid Transit Project

Service: Soil InvestigationService: Subsurface InvestigationService: Soil and Groundwater SamplingIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 more

American Engineering Testing, Inc.

St. Paul, MN

Critical investigations, testing, analysis, and design for a more certain world

Website22 offices3 projects5 leaders2 credentialsFounded 1976Updated Jun 2026

Project: Minnesota Zoo Treetop Trail

Service: Construction ServicesService: Construction Materials Testing & Special InspectionsService: Construction Materials Testing LaboratoriesIndustry: AgricultureIndustry: CommercialType: Geotechnical Engineering+51 more

Bay Area Geotechnical Group

San Jose, CA

Geotechnical and environmental engineering solutions that balance cost and risk.

WebsitePhone1 office7 credentialsFounded 1988Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Geotechnical Feasibility StudiesIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+25 more

Black Mountain Geotech

Henderson, NV

Black Mountain Geotech is a Henderson, Nevada geotechnical engineering and materials testing firm with staff holding over 30 years of experience in soil and rock mechanics. Geotechnical services span investigations, foundation analyses, slope stabilization, seismic risk assessments, and forensic engineering support. Black Mountain Geotech is an approved special inspection agency in Clark County, the City of North Las Vegas, Boulder City, and the City of Henderson, with inspectors certified by ICC, AWS, NAQTC, ACI, and NICET.

WebsitePhone1 office5 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical Investigation/Soils ReportsService: Preliminary Site Evaluations/Feasibility SurveysIndustry: ResidentialIndustry: Land DevelopmentType: Geotechnical Engineering+15 more

Burns Cooley Dennis Inc

Ridgeland, MS

Geotechnical, Materials, and Pavement Engineering Consultants

WebsitePhone1 office4 projects10 credentialsFounded 1985Size Estimate: 50-99 employees

Project: Natchez National Cemetery

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Field InstrumentationIndustry: FederalIndustry: DefenseType: Civil Engineering+29 more

Christian Wheeler Engineering

An Independent, Locally Owned Engineering Practice.

Website6 projects12 leadersFounded 1998Updated Jun 2026

Project: F-35 Hangar

Service: Geotechnical and Geologic EngineeringService: Geotechnical InvestigationService: Geotechnical Construction ObservationIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+44 more

Cornerstone Earth Group, Inc.

Sunnyvale, CA

From the Ground Down - geotechnical, environmental, and construction services for the Bay Area development community.

WebsitePhone1 office6 projects15 leaders2 credentialsFounded 2007

Project: Overton Moore Properties - Oaks Business Park

Service: Environmental ServicesService: Phase I Environmental Site AssessmentsService: Preliminary Endangerment AssessmentsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+77 more

DHDC Engineering Consulting Services, Inc.

Columbus, OH

Providing cost-effective solutions to your engineering needs.

WebsitePhone2 offices15 projects4 leaders7 credentialsSize Estimate: 20+ employees

Project: City of Columbus Pump Station

Service: Geotechnical EngineeringService: Soil Borings and Subsurface InvestigationsService: Foundation, Retaining Structure, and Tunnel DesignIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+19 more

DMD Engineering and Testing, Inc.

Roswell, GA

A Greener Tomorrow

WebsitePhone1 office4 leaders5 credentialsFounded 1994Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Investigation and Foundation RecommendationsService: Shallow and Deep Foundations Monitoring and QA/QC InspectionsIndustry: Parks & Open SpaceIndustry: ReligiousType: Geotechnical Engineering+26 more

ETTL Engineers & Consultants Inc.

Whitehouse, TX

ETTL Engineers & Consultants Inc. is a multidisciplinary engineering and consulting firm founded in 1965 and headquartered in Whitehouse (Tyler area), Texas. With over 100 employees across five offices in Texas and Arkansas, ETTL provides geotechnical engineering, construction materials testing, environmental consulting, drilling, and landfill services to industrial, commercial, governmental, and private clients throughout Texas and adjoining regions. ETTL maintains an accredited geotechnical and construction materials testing laboratory.

WebsitePhone4 offices6 leadersFounded 1965Size Estimate: 101+ employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface investigation and soil samplingService: Laboratory soil testingIndustry: IndustrialIndustry: GovernmentType: Geotechnical Engineering+23 more

G-ES, LLC

Powhatan, VA

Engineer - Design - Inspect

WebsitePhone2 offices1 leadersFounded 2010Updated Jun 2026

Service detail: In-Situ Testing

Service: In-Situ TestingService: Soil Boring & TestingService: Construction Materials TestingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+9 more

GEOMAT Inc.

Farmington, NM

Reliable Engineering. Responsive Testing.

WebsitePhone3 offices12 projects7 leaders6 credentialsFounded 2003

Project: Exceptional Healthcare Hospital

Service: Geotechnical EngineeringService: Drilling & Subsurface ExplorationService: Foundation & Floor System DesignIndustry: CommercialIndustry: HealthcareType: Geotechnical Engineering+24 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

Geo-Advantec, Inc.

San Dimas, CA

Leading Geotechnical Consulting Firm

WebsitePhone1 office3 projects5 leaders7 credentialsFounded 2012

Project: City of Commerce Washington Boulevard Rehabilitation Project

Service: Geotechnical EngineeringService: Geotechnical Field ExplorationsService: Foundation Analysis & DesignIndustry: TransportationIndustry: GovernmentType: Geotechnical Engineering+30 more

GeoStrata

Bluffdale, UT

Leaders in Engineering and Geoscience

WebsitePhone1 office9 credentialsFounded 1999Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Foundation Soils AssessmentService: Pavement DesignIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 more

GeoStructures, Inc.

King of Prussia, PA

Integrating Soil & Structure

WebsitePhone1 office8 projects4 credentialsFounded 2001Size Estimate: 20-80 employees

Project: The Study Hotel

Service: Foundation Investigation & DesignService: Drilling Services and Subsurface InvestigationsService: Support of Excavation and UnderpinningIndustry: CommercialIndustry: Mixed-UseType: Environmental Engineering+47 more

Geocon, Inc.

San Diego, CA

Practical Solutions to Support You From Ground to Structure.

WebsitePhone11 offices9 projects2 leaders6 credentialsFounded 1971

Project: Soboba Replacement Casino

Service: Geotechnical EngineeringService: Geotechnical InvestigationsService: Foundation Design & AnalysisIndustry: Land DevelopmentIndustry: TransportationType: Geotechnical Engineering+20 more

Geoscience Engineering & Testing, Inc.

Houston, TX

Your Partner to Build a Better World

WebsitePhone2 offices1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geological StudiesService: Geotechnical TestingIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+22 more

Geotechnical Resources, Inc.

Tigard, OR

Technical Innovations and Practical Design Solutions

WebsitePhone5 offices3 projects2 credentialsFounded 1984Updated Jun 2026

Project: City of Corvallis Pavement Management Program

Service: Geotechnical EngineeringService: Foundation and Retaining Structure DesignService: Seismic and Slope StabilityIndustry: AviationIndustry: AirportsType: Geotechnical Engineering+38 more

Geotechnical Solutions, Inc.

Irvine, CA

Geotechnical Solutions, Inc. (GSI) is a full-service geotechnical engineering and testing consulting firm based in Irvine, California, incorporated in 1993. GSI serves residential, commercial, industrial, wireless, institutional, religious, and public works clients throughout Southern California, with extended service areas in Central California, Nevada, and Southwestern Arizona. GSI operates a certified in-house laboratory and applies state-of-the-art software for seismic evaluation, slope stability, foundation analysis, pile analysis, and liquefaction studies. GSI has completed over 8,000 projects since 1992, including more than 6,000 wireless telecommunications sites, and serves as the sole geotechnical consultant for the Diocese of Orange.

WebsitePhone1 office1 leaders2 credentialsFounded 1993Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface explorationsService: Cone penetrometer testingIndustry: TelecommunicationsIndustry: EducationType: Geotechnical Engineering+37 more

HWA GeoSciences Inc.

Bothell, WA

Dedicated to Providing Smart Geotechnical Solutions for Our Communities and Our Planet

WebsitePhone1 office13 projects3 leaders5 credentialsFounded 1978

Project: Scriber Lake Park Boardwalk

Service: Geotechnical EngineeringService: Foundation EngineeringService: Slope Stability & Slide StabilizationIndustry: GovernmentIndustry: FederalType: Geotechnical Engineering+42 more

Pacific Crest Engineering Inc.

Watsonville, CA

Pacific Crest Engineering Inc. (PCEI) provides geotechnical, chemical process, and environmental engineering services to public and private sector clients in the Monterey Bay and Silicon Valley areas of California. It specializes in geotechnical investigations, materials testing, stormwater management, environmental consulting, and fire protection engineering.

WebsitePhone1 office1 projects15 credentialsFounded 2001Updated Jun 2026

Project: Kresge College, UCSC

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Foundation Design ConsultingIndustry: CommercialIndustry: IndustrialType: Geotechnical Engineering+22 more

Palmerton & Parrish, Inc.

Springfield, MO

Knowledge - Tools - Service

WebsitePhone3 offices4 projects4 leaders9 credentialsFounded 1989

Project: Downstream Casino Drilled Pier Construction

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Shallow Foundation DesignIndustry: TransportationIndustry: BridgesType: Geotechnical Engineering+52 more

Pattison Engineering, LLC

Tucson, AZ

Innovative Geotechnical Solutions

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical Site EvaluationsService: Soil Mechanics Laboratory ServicesIndustry: CommercialIndustry: TransportationType: Geotechnical Engineering+20 more