cone penetrometer testing

Aqua Survey, Inc. is a full-service ecotoxicology and on-water survey company founded in 1975 with over 45 years of experience in the environmental field. It provides field sampling, geophysical surveying, laboratory testing, and consulting services, and operates a fleet of over 20 research/survey vessels ranging from a 12-foot tracked amphibious vehicle to a 32-foot research vessel.

benthic grab samplingBioaccumulation studiesdrilling supportgeophysical surveyinggrain size analysisMetal detectionparallel seismic testingsediment vibracoringsonar bottom mappingtoxicity testingvessel supportwater sampling and monitoring

CGC Geoservices, LLC is a geotechnical and environmental drilling and geotechnical engineering consulting firm in business since 2008. Led by engineers, its staff includes experienced drillers, construction managers, geologists and engineers. The firm is a women-owned business enterprise with offices in Newark, DE; West Deptford, NJ; and Bel Air, MD, serving the mid-Atlantic region. In January 2021 it acquired Walton Corporation, a Delaware-based drilling firm with over 70 years of experience.

environmental drillinggeotechnical drillinggeotechnical engineering consultingGeotechnical instrumentationgeothermal test well installationhollow stem augersinfiltration testinginterior drillinglimited access drillingmud rotary drillingrock coringSPT samplingwater well installationwire line rock coring

Bulldog Drilling, Inc. is a drilling company based in Dupo, Illinois, servicing the St. Louis Metro area. It provides environmental and geotechnical drilling services using a variety of drilling methods and equipment, with drill rigs equipped with CME 140 lb auto hammers calibrated bi-annually.

All Terrain Drillingangled drillingDirect Push ProbingHollow Stem Augermonitoring well installationmud rotaryrock coringVideo Logging

Earth Mechanics Inc. (EMI) is a geotechnical and earthquake engineering consultancy specializing in transportation infrastructure. The firm provides scalable solutions tailored to project needs and budget, combining expertise in soil and rock mechanics, earthquake engineering, and geotechnical design for bridges, freeways, roadways, rail facilities, and waterfront developments.

construction monitoringfinite element analysisfoundation designgeotechnical analysisground motion developmentin-situ testingnumerical modelingpavement designseismic hazard evaluationsoil and rock laboratory testingsoil-structure-interaction analysisstormwater management studiestrenching

EKI Environment & Water, Inc. is an employee-owned company that has delivered comprehensive environmental, engineering, and water resources services to public and private sector clients for over 35 years. Since 1989, EKI has expanded into new service areas, market sectors, and geographies. Headquartered in the San Francisco Bay Area, with offices across Southern California, the Pacific Northwest, East Coast, and Rocky Mountains.

aquifer test planning, execution, and analysisdirect-push, hollow-stem, and sonic drillingexcavation in tented environmentsexpert witness servicesex-situ soil remediationgeospatial analysis and visualizationgrant writing and administrationhigh-resolution site characterization (MIHPT, UVOST)human health risk assessmentshydraulic modelingin-situ bio remediationin-situ thermal remediationmud and air rotary drillingPhase I Environmental Site AssessmentsPhase II & III Site InvestigationsRemedial Action Plan developmentremedial investigations and feasibility studiesvapor intrusion assessment and mitigation