in-situ thermal remediation

Arrowhead Contracting was established in 1990 and has spent over 35 years executing technically demanding environmental and construction programs for federal agencies. It operates across three platforms: environmental remediation, civil and clean construction, and security infrastructure. Roughly 90 percent of its revenue comes from the federal market, and it has completed work in all 50 states and most U.S. territories. It is an SBA 8(a)-certified contractor and is majority-owned by Kava Equity Partners, the investment entity of the Southern Ute Indian

abandoned mine reclamationcivil constructioncommissioningconstruction managementdemolitiondesign-buildEnvironmental Remediationgroundwater extraction and treatmentinspectionlevee repair and reconstructionmaterials testingradiological waste handlingrevegetationsecurity infrastructureslope stabilizationsoil excavation and treatmentsoil vapor extractionsurveyingSystems Integration

ERG designs, builds and operates in situ and ex situ thermal and heat-based remediation systems for chlorinated solvents, petroleum hydrocarbons, SVOCs and other contaminants that resist conventional treatment, working from 35 °C to 400 °C source zone treatment. ERG is independent and engineering driven, offering guaranteed remediation contracts and firm fixed price, lump sum pricing. Founded in 2006 and relaunched in 2022 as a thermal remediation company built around its own technology.

electrical resistance heatingex situ thermal remediationgroundwater recirculation and heatingpermittingpilot testingsteam enhanced extractionsystem design, construction and operationthermal conduction heating

Dune Technologies, LLC provides technical solutions to the environmental engineering and consulting community, representing companies in environmental sensor instrumentation, site characterization, and in-situ remediation technologies. Since 2009, it has offered rapid in-situ remedial feasibility estimates (within 24 hours), evaluating more than 100 sites per year with over 25 years of in-situ remedial experience. It focuses on the Midwest/Great Lakes Region and can represent across the United States.

bioremediationgroundwater samplinghorizontal nested wellsIn-situ remediationrapid feasibility estimatessite characterizationvapor monitoring

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 analysiscone penetrometer testingdirect-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 remediationmud and air rotary drillingPhase I Environmental Site AssessmentsPhase II & III Site InvestigationsRemedial Action Plan developmentremedial investigations and feasibility studiesvapor intrusion assessment and mitigation