slope stability analysis

Adapt is a veteran-owned certified small business and multi-discipline environmental, geotechnical and structural consulting firm based in Seattle, Washington, operating throughout the Pacific and Inland Northwest including Washington, Oregon and Idaho. It was created by senior geotechnical and environmental program managers who left large engineering firms in the late 1990s, and has performed over 23,000 projects in the Pacific Northwest.

Aquifer testing and modelingConstruction monitoringenvironmental site assessmentsfoundation designgeotechnical engineeringHazardous waste testingremediationsoils laboratory testingStructural consultingSubsurface assessment

AESCO is a multifaceted engineering, inspections, and testing company based in Huntington Beach, California, operating since 1993. Its team of professional engineers, geologists, technicians, and specialists provides geotechnical engineering, environmental engineering, construction inspections, materials testing, and quality validation/control/assurance services. AESCO is a WBE/DBE/SBE company and operates a construction materials engineering laboratory certified by DSA, Caltrans, and the City of Los Angeles.

foundation designgeotechnical drilling and field explorationgeotechnical forensicsgroundwater hydrologyhazardous material assessmentinfiltration testingliquefaction potential analysisMethane and Soil Gas MitigationPhase I/Phase II ESAsettlement and vibration monitoring

Grounded in science. Built for progress Geotechnical solutions that protect investments, people, and the future.Geotechnical services Learn more Special inspections Learn more Pavement engineering Learn more Municipal services Learn more Geological services Learn more Every decision supported by real geotechnical insight. From risk mitigation to smart foundations, we help progress move safely.Request a Proposal Services Geotechnical services Geological services Pavement engineering Special inspections Municipal services More Services Services Field Services Lab Services Geotechnical services Understand your site before it impacts your budget. We translate subsurface data into clear design guidance to reduce risk, avoid delays, and prevent costly surprises.Municipal services Build with materials you can trust. We validate performance in the lab and field to prevent rework and keep.

asphalt mix designCold In-Place Recycling designcompaction testingfault investigationgeotechnical investigationsliquefaction evaluationnon-destructive testing (UT, MT, PT)pavement designseismic hazard analysiswelding inspection

ATEK Engineering Consultants, LLC is a Native American owned Arizona-based engineering consulting firm specializing in geotechnical engineering, materials engineering, construction materials testing and special inspection services. ATEK was established in 2010 and is recognized as a certified Disadvantaged Business Enterprise (DBE), AZUTRACS # 11395 from the Arizona Unified Certification Program.

construction observationfoundation engineeringgeotechnical engineeringlaboratory testingmaterials testingpavement designspecial inspectionwelding inspection

Athena is an SBA-certified woman-owned small business providing geotechnical engineering, environmental and hazardous materials services, ecology, value engineering, surveying, and dam and levee safety services. From three offices and a laboratory in Metro Nashville, Chattanooga, and Bowling Green, they support federal, state, municipal, and private clients, and have held national indefinite delivery contracts with the U.S. Army Corps of Engineers, NASA, NRCS, and the Tennessee Department of Transportation.

Dam and levee safety engineeringfoundation designGround Penetrating Radar (GPR) scanningIndependent external peer reviewslaboratory testingland surveyingLiDAR 3D scanningNEPA document preparationseismic analysisSubsurface exploration (soil and rock)UAV surveysUnderwater sonar surveysValue engineering studieswetland delineations

BECC, Inc. is a woman-owned geotechnical and environmental engineering firm incorporated in Alabama in 1992 and licensed across the United States. It provides geotechnical engineering, environmental assessments, construction materials testing, special inspections, surveying, roller-compacted concrete support, heavy-duty pavement design, and subsurface utility engineering, backed by an AASHTO-accredited laboratory.

electromagnetic inductionfoundation designGround penetrating radarland surveyingmaterials testingpavement designretaining system designroller compacted concrete mix designspecial inspectionsubsurface explorationSubsurface utility engineeringvacuum excavation

CESI Civil-Geotechnical-Surveying is a multi-disciplined design and consulting firm specializing in Civil Engineering, Geotechnical Engineering, Construction Materials Testing and Professional Surveying. Established in 1978, CESI has provided due diligence, design, and construction support services for residential, industrial, and institutional projects throughout North Carolina and the Southeast.

civil engineeringconstruction materials testingenvironmental assessmentsfield and laboratory testinggeotechnical engineeringpavement designSubsurface utility engineeringsurveyingwetlands delineation

Christian Wheeler Engineering is an independent, locally owned engineering firm founded in September 1998, providing geotechnical and geologic consulting, special inspection, building envelope consulting, and soil and material testing services throughout San Diego County and Southern California. The firm serves residential, commercial, industrial, biotech, military, education, and healthcare sectors.

Building Envelope Consultingconstruction observationgeologic hazard evaluationgeotechnical investigationlaboratory testingspecial inspectionstructural investigations

Ciani & Hatch Engineering PLLC (CHE) is a woman-owned, woman-led geotechnical engineering firm founded in May 2023, located in Seattle, Washington and Boise, Idaho, serving clients across the Pacific Northwest. CHE provides geotechnical engineering, project management, and design, from small on-call design to large multidisciplinary alternative delivery projects, with experience in design-build projects for WSDOT, Sound Transit, and UDOT.

augered and cored boringsbudget trackingcone penetration testsearned value reportingearth retention system and retaining wall designembankment designexploration plan & ROW permittingfish passage / fish barrier removal designgeologic hazards & critical areas studiesgeophysical surveygeotechnical site investigationground improvement / soft ground designgroundwater monitoring wellsliquefaction and lateral spread analysispavement designpeer review and comment resolutionseismic hazard analysisshallow and deep foundation designshoring and ground anchor design

Columbia West Engineering is a locally owned and operated, multi-disciplinary firm providing geotechnical engineering, environmental consulting, special inspections, and construction materials testing services throughout the Pacific Northwest since 1999. The company serves industrial, commercial, highway and rail transportation, port, school, and residential development projects, working with regulatory authorities, architects, civil and structural engineers, and contractors.

construction materials testingConstruction monitoringenvironmental consultingfinite element modelingfoundation designgeotechnical engineeringGeotechnical instrumentationlaboratory testingretaining wall designseismic hazard evaluationsspecial inspections

CSI Geo, Inc. has been providing geotechnical, construction materials testing and construction engineering inspection services since 2007. The firm was founded by Mr. William R. Price and is headquartered in Jacksonville, Florida, with additional offices in Atlanta, Georgia and West Palm Beach, Florida. It operates a Construction Materials and Geotechnical Testing Laboratory accredited by AASHTO re:source, inspected by CCRL, and validated by the USACE Materials Testing Center.

auger cast pilesconstruction engineering & inspectionconstruction managementconstruction materials testingdrilled shaft design and inspectiondriven pile designgeotechnical engineeringground improvementlaboratory testingpavement designquality assurancequality controlseepage analysissubsurface borings

Dan Brown and Associates, LLC specializes in deep foundation design, construction, and testing, and slope stability problems. The firm provides geotechnical engineering services including foundation design, foundation testing, construction observation, risk assessment, and research, working on bridge foundations, micropiles, ground improvement, and landslide stabilization projects across the United States.

construction observationdeep foundation constructiondeep foundation designdrilled shaft designFoundation Testingground improvementliquefaction evaluationmicropile designnumerical modelingrisk assessmentseismic analysis

Endeavor Professional Services, LLC is an engineering and design firm focused on serving the energy and utility industry, with its office centrally located in State College, PA. The team brings over 40 years of engineering, regulatory permitting, and related professional service experience, serving operators in the Marcellus and Utica Shale plays across PA, OH, and WV.

aquifer test data analysisborehole geophysical loggingCBR testingcivil engineeringdownhole video inspectiongeotechnical engineeringGNSS RTK surveyground modification designgroundwater samplinghydrogeologic consultingregulatory permittingrobotic total station surveysurveyingterrestrial laser scanningUAV LiDARUAV photogrammetry

EnGEN Corporation is a Service Disabled Veteran Small Business geotechnical engineering firm based in Temecula, California, proudly serving the Southern California community since 1993. It is a full-service geotechnical and geo-environmental firm providing professional quality assurance testing and inspection services for residential, commercial, and government projects.

3rd party observation and testingCaltrans certified laboratory testingcompaction testingdeputy inspectionsfault investigation and mappinggeo-environmental consultinggeophysical mappinggeotechnical engineeringmaterials testingpercolation testingquality control samplingseptic system design

Engineering and Testing Services, Inc. is a geotechnical engineering and construction materials testing firm serving Virginia and North Carolina since 2002. Based in Virginia Beach, VA, it provides geotechnical engineering, AASHTO-accredited and USACE-validated soils and concrete laboratory testing, QA/QC and project management, and special inspection services.

2D and 3D finite element analysis (Midas GTS NX)concrete compressive strength testingCone Penetration Test (CPT)dilatometer testingdrilling and boringsfoundation designpavement designpile design and load testingshear wave velocity testingStandard Penetration Test (SPT)

F&ME Consultants, Inc. (FME) is a South Carolina-based, locally-owned engineering firm established in 1980 and headquartered in Columbia, South Carolina, with additional offices in Beaufort and Florence. FME specializes in geotechnical engineering, environmental consulting, materials testing, and construction services, serving government agencies, educational institutions, industrial entities, and commercial and private businesses.

construction managementdrillingfield samplingfoundation designgeotechnical investigation and designground modificationin-situ testingmaterials testing laboratorypavement designPile Dynamic Analysis (PDA) testingquality assurance inspection and testingretaining wall analysis and design