geotechnical engineering

GeoEnvironmental Resources, Inc. is a small business consulting engineering firm founded in 1992 that provides professional consulting engineering services on a worldwide basis. It specializes in geotechnical, environmental, groundwater, hazardous materials (asbestos, lead paint, mold), industrial hygiene, industrial and disaster planning services. Its principals have over 100 years of combined experience with well over 8000 projects.

environmental site assessmentsground vibration monitoringgroundwater monitoringindustrial hygieneNEPA documentationpavement designpermit processingremediation designslope and dam stability analysissoils analysis

Geolabs, Inc. is a full service geotechnical engineering firm established in 1975. The consulting organization provides the knowledge, equipment, and experienced personnel to accomplish projects ranging from geotechnical foundation investigations to roadway embankments, dams, landslides, and rockfall mitigation. Based in Honolulu with offices in Maui, Kauai, and Oakland, California, the company became employee-owned in 1991 and is a verified vendor registered to do business with the U.S. Federal Government through SAM.

construction supportdamsdesignForensic engineeringgeotechnical foundation investigationslandslidesroadway embankmentsrockfall mitigation

Geo-Logic Associates (GLA) is an employee-owned, multidisciplinary environmental, civil, and geotechnical engineering consulting firm established in 1991 with more than 450 employees in 34 offices in the U.S. and abroad. GLA and its affiliates provide solutions for landfills, mines, contaminated sites, municipal projects, natural resources, and water resources.

aquifer testingcivil engineeringConstruction Quality Assuranceenvironmental monitoringFate and transport modelingfault investigationsGeoelectric liner leak detectionGeologic mappinggroundwater modelingHeap leach pad and tailings dam engineeringLandfill gas system designLandslide investigationsLeachate managementPFAS investigationsRemedial designSeismic refraction surveysSoil properties testingUAV aerial reconnaissanceWell design and installation

Geometrics is a full-service civil engineering firm highly specialized in airfield design, geotechnical and pavement engineering, construction management, and program management. The firm has completed 55 airfield projects at 20 airports across Washington, Oregon, Idaho, California, Arizona, Texas, and Michigan. It has offices in Redmond/Bellevue, Washington; Plano/Dallas, Texas; and Pune, India.

airfield designAutoCADCivil3Dconstruction managementfoundation designgrading and drainageground improvementPavement engineeringprogram managementretaining wall designroadway designsite developmentslope stabilizationSSAStormCADsubsurface exploration

GEOSTRUCTURAL ENGINEERING INC is an engineering firm providing geotechnical and structural engineering services.

structural engineering

GeoStructures is a geotechnical and environmental engineering consulting firm founded in 2001 and headquartered in King of Prussia, Pennsylvania. It specializes in geotechnical and environmental engineering, soil-structure interaction, and construction materials testing, serving national developers, architectural and engineering firms, and municipal entities.

construction materials testingdrilling and subsurface investigationsenvironmental engineeringfield instrumentationlaboratory testingpetrographic analysissoil-structure interaction analysis and modelingspecial inspectionsVibration monitoring

Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving the environment, natural resources, energy, and civil infrastructure. It is an employee-owned, private-equity-backed, practitioner-led firm with a combined staff exceeding 3,000 engineers, scientists, and related technical and project support personnel, serving clients from more than 140 offices in the United States, Canada, the United Kingdom, Ireland, Sweden, Spain, Finland, the United Arab Emirates, Sa

air quality managementaquifer modelingcontaminated site assessment and cleanupdam breach analysis and inundation mappingData science and machine learningenvironmental data visualization and analysisgeological analysisGISinformation management and geospatial data servicesinfrastructure planning, engineering and designinstrumentation and remote monitoringremote sensing analysisrisk assessmentstormwater master planningwater resources managementwater treatment planningwellfield design

GESTRA Engineering is a consulting firm specializing in geotechnical engineering, construction materials testing, and geotechnical and environmental drilling. Founded in 2000, it provides government agencies, municipalities, engineers, architects, and contractors with engineering services ranging from initial planning and feasibility studies to project completion. The firm has 25+ years of operation and maintains a geotechnical laboratory and field exploration equipment.

Consolidated Undrained Triaxial TestConstruction material engineeringconstruction materials testingDynamic Cone Penetrometer TestingFlight Auger DrillingGeotechnical and environmental drillingGeotechnical laboratory and field serviceshollow stem auger drillingPavement engineeringPiezometer Installation & Water Level MonitoringPressuremeter TestingRotary Mud DrillingShelby Tube SamplingSlope Inclinometer Installation and TestingSoil evaluation for storm water infiltrationStandard Penetration TestingSwell TestUnconsolidated Undrained Triaxial TestVane Shear Testing

GZA is a multi-disciplinary, employee-owned firm providing geotechnical, environmental, ecological, water, and construction management services. GZA's more than 800 professionals are based in offices across the United States. The firm serves markets including agriculture, buildings and real estate development, energy, government, industrial, institutional, legal, transportation and infrastructure, and water.

Agronomy consultingBuilding and property condition assessmentconstruction managementEnvironmental site investigation and remediationHazardous building material assessment and managementLandscape ArchitectureLand use and environmental planningSustainability servicesWaterfront and coastal engineeringWater resources engineering

Gomez Engineering, Architecture & Survey is a SBE/MBE/DBE certified Professional Limited Liability Company in New York & New Jersey providing consulting throughout the Tri-State Area. The firm specializes in Civil Engineering, Site Design, Land Development, Construction Survey, and Drafting Services for Commercial, Industrial, and Residential projects, with a network of professional engineers, land surveyors, and architects.

Aerial RenderingAutoCAD 3Dcivil engineeringConstruction Surveydraftingenvironmental engineeringGIS programmingGrading & Drainage Designland developmentLSRP ServicesParking Lot DesignPhase I environmental assessmentsPre & Post-Construction SurveyRegulatory Compliance & PermittingRemedial Design & OversightSettlement Surveysite designstructural engineeringUST Management

Goodwyn Mills Cawood (GMC) is one of the largest architecture and engineering firms in the Southeast, with 27 offices across Alabama, Florida, Georgia, Louisiana, North Carolina, South Carolina, and Tennessee. The firm serves municipalities, healthcare, higher education, hospitality, industrial, justice, K-12, and sports clients with architecture, engineering, planning, and design services aimed at helping communities thrive.

architecturecoastal engineeringconstruction engineering & inspectiondisaster recoveryelectrical & plumbing engineeringenvironmental assessmentsGISInterior DesignLandscape ArchitectureMechanical EngineeringpermittingPlanningsite civil engineeringstormwater managementsurveyingtransportation engineeringwastewater treatmentwater treatment

Green Diamond International was founded in 2008 in Afghanistan to support the U.S. Army's efforts to foster peace and prosperity in the region, and became a leading company in the design and construction of civil infrastructure projects. In 2009 it expanded to California and merged with local Afghan companies HBCC, MBCC, and Al Hooti of Dubai, UAE. After ceasing operations in Afghanistan following the 2021 U.S. military withdrawal, it continued in California and in 2024 re-established its headquarters in Washington State, serving nationwide and internati

aviation constructionBuilding Information Modeling (BIM)clash checkingconstruction inspection and testingCost estimationdesign reviewengineering and construction managementFalling Weight Deflectometer testingPavement engineeringPCI surveyspermitting assistancepreconstruction planningrisk managementschedulingSubcontractor Selectionsubsurface investigationssustainability and resilience consultingtransportation planning and designvalue engineering

GTS was formed in July of 2005 by Andy McClarrinon, P.E. and David Berry, P.E. to perform geotechnical engineering and construction materials testing. The firm provides geotechnical engineering reports, certified lab and field testing on construction materials, and environmental services including Phase I and Phase II Environmental Site Assessments and environmental lab testing. GTS serves architects, engineers, contractors, developers, municipalities, and others across Arkansas, Louisiana, Kansas, Missouri, Oklahoma, and Texas.

certified welding inspectionconstruction materials testingconstruction observationenvironmental site assessmentsfield testinggeotechnical drillinglaboratory testingSamplingwelding

H2R Corp is an FDOT pre-qualified Small Business Enterprise (SBE) and Community Business Enterprise (CBE) formed in 2016 that carries forward more than five decades of history in geotechnical and materials testing. The firm provides geotechnical engineering, foundation testing and inspection, subsurface exploration and drilling, specialty construction support and verification, materials testing and inspection, and CEI services, with accredited laboratories in Pinellas Park, Fort Myers, and Fort Lauderdale, Florida.

automated data collectionconsolidation testingconstruction inspectiondrillingflexible wall permeability testingFoundation TestingGoble pile testinghardware and software developmentmaterials testingpile testingsubsurface explorationtriaxial testingunderwater vibration monitoringVibration monitoringwater quality and turbidity testing

Haley & Aldrich is an environmental and geotechnical engineering consulting firm founded in 1957. Its consultants help clients address complex environmental, geotechnical, organizational, and community challenges across markets including aerospace, data centers, energy, government infrastructure, industrial and manufacturing, mining, and real estate.

construction managementDecommissioning and demolitiondesign-buildenvironmental consultingEnvironmental risk assessmentFlood controlground improvementsite characterizationSite remediation constructionstormwater managementTrenchless technology

희송지오텍(Heesong Geotek) is a Korean geotechnical and earthquake engineering specialist founded in 1996. It performs precision geotechnical investigations, geological surveys, drilling, physical exploration, and seismic monitoring, and manufactures seismic observation equipment and analysis software. The company has expanded overseas to Singapore and Cambodia.

drilling investigationelectrical resistivity monitoringgeological surveyin-situ testinglaboratory testingphysical explorationrock discontinuity analysisseismic monitoringseismic observation equipment manufacturing

Helenschmidt Geotechnical, Inc. is a professional engineering company providing geotechnical engineering services including landslide repair throughout San Diego & California. The site describes the firm as consulting engineers and geologists and landslide repair specialists.

consulting engineeringgeologylandslide repair

Highlands Environmental Solutions, Inc. is an environmental consulting and services firm that solves environmental issues using common-sense solutions. It serves developers, property owners, attorneys, insurers, engineers, and organizations throughout the Southeast with proactive consulting, technical expertise, and guidance, from environmental assessments and geotechnical engineering to spill response planning and regulatory compliance.

emergency responseenvironmental consultingEnvironmental Remediationmaterials testingRegulatory Compliancesafety trainingsubsurface investigationstank cleaning and removal

Hilltop Geotechnical Inc. is a full-service engineering firm founded in San Bernardino, California in 1990. It provides geotechnical engineering, environmental site assessment, and materials testing and inspection services, with expertise in soil properties and environmental challenges for residential and commercial construction projects in Southern California and the West Coast Region.

Engineering Geologyenvironmental site assessmentmaterials testing and inspectionspecial inspection

HLE (Harper-Leavitt Engineering), Inc. is a full service consulting engineering, surveying and materials testing firm organized in 1969. It has served Idaho, Montana, Utah and Wyoming, providing civil, structural, and geotechnical engineering with offices in Blackfoot, Idaho Falls, and American Falls.

3D scanningcivil site planningconcrete inspection and testingdrone based aerial surveyingGIS mappingmaterials testingnuclear density testingrock coringsoil sampling and classificationstructural engineeringsurveyingWastewater system designWater system design

Hodges Engineering is an engineering firm specializing in civil, geotechnical, environmental, and structural engineering, master planning, permitting, environmental planning, low-impact development, airports and facilities design, construction, construction management, maintenance, and compliance. The team includes a principal engineer licensed in Arkansas, Kansas, Missouri, and Oklahoma with over 30 years of experience.

civil engineeringconstruction managementconstruction materials testingenvironmental engineeringInfrastructure Designinspectionmaster planningpermittingstructural engineering

Hurst-Rosche, Inc. is a diversified architecture, engineering, and construction management firm founded in 1937 and headquartered in Hillsboro, Illinois. It provides planning, design, surveying, and construction management services to federal, state, municipal, and private clients, bringing architecture, engineering, surveying, interiors, sustainability, geotechnical, and construction services together under one roof.

aerial mappingarchitecturebridge designbridge inspectionscommissioning and retro-commissioningconcrete sampling & testingconstruction administrationconstruction managementenergy auditsengineeringInterior Designland surveyingLEED certification supportnuclear density testingsoil boringstopographical surveys

Huval & Associates is a Louisiana-based engineering consulting firm founded in 1989, providing civil and structural engineering solutions for clients throughout the United States and abroad. Licensed in numerous states, the firm has performed engineering and construction services in over 20 states and 3 countries, with offices in Lafayette and Baton Rouge, LA.

bridge designbridge inspectionconstruction erectionload ratingsproject managementrehabilitation and retrofittingroadway designstructural engineering

HVJ Associates is a civil engineering consulting firm providing geotechnical, construction materials, civil, pavement, and environmental engineering services on public infrastructure projects throughout Texas. Founded in Houston by Herbert V. Johnson shortly after his 1985 graduation, the firm serves cities, counties, mobility and water authorities, TxDOT Districts, and other agencies, operating through company-owned and franchised locations.

Civil designconstruction materials testingenvironmental engineeringfield testingfoundation designlaboratory testingpavement designretaining wall designsettlement analysisslope stability analysistraffic control design