Public engineering firm directory

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Adaptive Management and Engineering, LLC

Baton Rouge, LA

Geotechnical Solutions for a Sustainable Future

WebsitePhone2 offices2 projects3 credentialsFounded 2019Size Estimate: 5-30 employees

Project: Caminada Headland Back Barrier Marsh Creation (BA-171) Project

Service: Site ExplorationService: Geotechnical Drilling, CPT Soundings and Field TestingService: Soil SamplingIndustry: IndustrialIndustry: CommercialType: Coastal Engineering+34 more

Applied Research Associates, Inc.

Albuquerque, NM

Innovative Solutions to Complex Problems

Website1 office5 projects1 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Switchback Autonomous Ground Platform

Service: Integrated Systems EngineeringService: Assured Position Navigation and TimingService: Contract Manufacturing and EngineeringIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+47 more

Atane Consulting

New York, NY

Excel. Together.

WebsitePhone10 offices7 projects17 leaders17 credentialsUpdated Jun 2026

Project: Bloomingdale Road Reconstruction

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+33 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

CGC Geoservices, LLC

Newark, DE

Geotechnical drilling and engineering, led by engineers who know what engineers need.

WebsitePhone3 offices2 leaders13 credentialsFounded 2008Updated Jun 2026

Service detail: Geotechnical Drilling and Sampling

Service: Geotechnical Drilling and SamplingService: Rock CoringService: Roadway BoringsIndustry: TransportationIndustry: Environmental & RemediationType: Environmental Engineering+19 more

Carlin-Simpson & Associates, LLC

Sayreville, NJ

Carlin-Simpson & Associates, LLC is a small geotechnical and environmental engineering consulting firm established in 1973 and headquartered in Sayreville, New Jersey. With a technical staff of ten, the firm completes approximately 200 projects per year for both new and repeat clients, ranging from small additions to large development projects. Services are provided throughout New Jersey, New York, Connecticut, and Eastern Pennsylvania, with additional project experience in Delaware, Maryland, Virginia, Massachusetts, and Eastern Ohio.

WebsitePhone1 office4 leadersFounded 1973Size Estimate: 10 employeesUpdated Jun 2026

Service detail: Geotechnical Investigations

Service: Geotechnical InvestigationsService: Test borings and rock coringService: Cone penetrometer testing (CPT)Industry: ResidentialIndustry: CommercialType: Geotechnical Engineering+14 more

DMY Engineering Consultants Inc.

Chantilly, VA

Reliable. Innovative.

WebsitePhone3 offices10 projects1 credentialsFounded 2009Updated Jun 2026

Project: Dulles Corridor Silver Line Metrorail Project Phase II

Service: Geotechnical EngineeringService: In-House Geotechnical Drilling and TestingService: Foundation Analysis and DesignIndustry: TransportationIndustry: WastewaterType: Geotechnical Engineering+23 more

E2CR Inc.

Halethorpe, MD

Laying the Groundwork for Tomorrow

WebsitePhone1 office10 projects1 credentialsUpdated Jun 2026

Project: B&P (Frederick Douglass) Tunnel

Service: Geotechnical EngineeringService: Geotechnical Data Report PreparationService: Foundation DesignIndustry: InfrastructureIndustry: FederalType: Geotechnical Engineering+20 more

EAS Professionals, Inc.

Greenville, SC

Geotechnical, Environmental, Surveying & Materials Testing Services

WebsitePhone4 offices9 projects2 leaders1 credentialsFounded 2003

Project: QuikTrip Multiple Locations

Service: Geotechnical EngineeringService: Subsurface Exploration & Geophysical TestingService: Foundation & Earth Retention DesignIndustry: RetailIndustry: TransportationType: Geotechnical Engineering+23 more

ECS Group of Companies

Chantilly, VA

Your Go-To Engineering Consulting Partner

Website1 office6 projects1 leadersFounded 1988Size Estimate: 1,000+ employeesUpdated Jun 2026

Project: SK Innovation EV Battery Site

Service: Geotechnical EngineeringService: Subsurface ExplorationService: In-Situ TestingIndustry: CommercialIndustry: IndustrialType: Geotechnical Engineering+48 more

GMTS, PSC

San Juan, PR

Geoprofessional and Materials Testing Services

WebsitePhone1 office13 projects3 leaders4 credentialsFounded 1996

Project: Route PR-66 Phase I and II

Service: Geotechnical EngineeringService: Site EvaluationService: Geotechnical Design AnalysisIndustry: Highways & RoadsIndustry: Ports & HarborsType: Geotechnical Engineering+52 more

Geo-Technology Associates, Inc.

Laurel, MD

Growing Together To Enhance Our Built Environment

WebsitePhone28 offices5 projectsSize Estimate: 600 employeesUpdated Jun 2026

Project: Ewing Town Center

Service: Geotechnical ServicesService: Construction ServicesService: High-Rise Building ConstructionIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+13 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

Helenschmidt Geotechnical, Inc.

Carlsbad, CA

Consulting Engineers & Geologists

WebsitePhone1 office10 projects1 leaders9 credentialsFounded 2004

Project: Soledad Mountain Road Landslide

Service: Geotechnical InvestigationsService: Subsurface Exploration & SamplingService: Cone Penetrometer (CPT) SoundingsIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+22 more

Kokua Geotech LLC

Honolulu, HI

Kokua Geotech LLC is a Honolulu-based geotechnical engineering practice established in 2016. It provides comprehensive geotechnical engineering services across all major Hawaiian Islands, including site explorations, laboratory soil testing, engineering analysis, and construction observation. The practice combines deep regional experience in Hawaii and the Pacific with the responsiveness and agility of an independent small business.

WebsitePhone1 office2 leadersFounded 2016Updated Jun 2026

Service detail: Geotechnical Explorations

Service: Geotechnical ExplorationsService: Site InvestigationService: Stabilization StudiesIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+16 more

Marianas Geotech Services, LLC

Saipan, MP

Marianas Geotech Services, LLC is a consulting civil engineering practice specializing in geotechnical engineering, subsurface exploration, and construction materials testing in the CNMI and Guam. It is a licensed well driller in both territories, offering a broad spectrum of geotechnical and environmental services to support design and construction projects throughout the CNMI, Guam, the Republic of Palau, and the broader Micronesian region.

WebsitePhone3 offices1 leaders1 credentialsFounded 2016Updated Jun 2026

Service detail: Civil and Geotechnical Engineering

Service: Civil and Geotechnical EngineeringService: Analysis, Design, and Engineering ReportsService: Construction Monitoring and InspectionsIndustry: ResidentialIndustry: InfrastructureType: Civil Engineering+11 more

NGE Consulting

Moon Township, PA

Geotechnical and Environmental Engineering Solutions

WebsitePhone2 offices5 projectsUpdated Jun 2026

Project: Exploratory Drilling for Coal Reserves

Service: Geotechnical Consulting and DrillingService: Subsurface and Foundation EngineeringService: Commercial development geotechnical investigationsIndustry: Environmental & RemediationIndustry: Oil & GasType: Geotechnical Engineering+33 more

Red Rock Consulting, LLC

Edmond, OK

Red Rock Consulting is an Oklahoma geotechnical engineering firm founded in 2009. It provides geotechnical engineering services for transportation, federal, education, healthcare, municipal, commercial, oil and gas, and residential projects, and is licensed in Oklahoma, Texas, Kansas, Colorado, and Missouri.

WebsitePhone1 office5 leaders5 credentialsFounded 2009Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Slope Stability AnalysisService: River and Creek Bank Stability AnalysisIndustry: EducationIndustry: HealthcareType: Geotechnical Engineering+25 more

Renaissance Geotechnical Engineering

Assessing Ground Conditions for Your Construction Project

Website4 projects2 leaders2 credentialsUpdated Jun 2026

Project: Thompson Island Suspension Bridge

Service: Geotechnical EngineeringService: Subsurface Investigations & Field ServicesService: Geotechnical Laboratory ServicesIndustry: TransportationIndustry: AviationType: Geotechnical Engineering+11 more

Rubino Engineering, Inc.

Elgin, IL

Moving your project forward through engineering and testing

WebsitePhone1 office7 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Field Geotechnical Drilling & Drilling ServicesService: Field Geotechnical DrillingIndustry: Highways & RoadsIndustry: BridgesType: Geotechnical Engineering+45 more

Southern Earth Sciences, Inc.

Baton Rouge, LA

Building Strong Foundations Across the Southeast

Website12 offices17 projectsUpdated Jun 2026

Project: Tyndall AFB Zone 8 Emergency Operations Center

Service: Geotechnical ServicesService: Field TestingService: Cone Penetration Testing (CPT)Industry: DefenseIndustry: FederalType: Geotechnical Engineering+130 more

TSIT Engineering & Consulting, LLC

Euless, TX

TSIT Engineering & Consulting, LLC is a geotechnical engineering and construction materials testing firm based in Euless, Texas, serving North and Central Texas since 1993. Project Managers average 25 years of experience and the team averages 10 years of field experience. Clients include TxDOT, NTTA, and municipal agencies across a portfolio spanning highways, tollways, airports, stadiums, commercial buildings, water infrastructure, universities, and public safety facilities.

WebsitePhone2 offices8 projects6 credentialsFounded 1993Updated Jun 2026

Project: Cowboys Stadium

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Foundation DesignIndustry: Highways & RoadsIndustry: AirportsType: Geotechnical Engineering+40 more

Tigerbrain Engineering Inc

Global leader in high-performance airfield and heavy load logistics pavements

Website4 projects6 leadersFounded 2000Size Estimate: 55 employeesUpdated Jun 2026

Project: Little Rock AFB Primary Runway Reconstruction

Service: Pavement Investigation and Geotechnical TestingService: Pavement Coring and BoringService: Soil BoringsIndustry: AviationIndustry: Ports & HarborsType: Civil Engineering+25 more