RSI ENTECH, LLC

RSI ENTECH, LLC specializes in environmental remediation and decommissioning services for federal nuclear and hazardous waste sites, with deep expertise in deactivation, decommissioning, and long-term surveillance and maintenance operations. The company delivers technical support for legacy facility closure, asbestos abatement, structural integrity assessments, and foundation remediation, often under complex regulatory frameworks governing DOE-owned sites. Their work includes task-order execution under IDIQ contracts, equitable adjustment resolution for scope changes, and administrative lifecycle management of multi-year environmental programs. Technical capabilities encompass site characterization, contaminant containment, regulatory compliance documentation, and integrated project support for high-hazard environments, with a demonstrated ability to sustain operations across extended contract periods and evolving mission requirements. The contractor maintains a consistent, long-standing relationship with the Department of Energy, particularly its Office of Environmental Management, where they provide mission-critical support for the Legacy Management System (LMS) and nationwide decommissioning initiatives. Their engagements span both direct field remediation and programmatic oversight, indicating a trusted role in sustaining multi-year environmental cleanup efforts across DOE’s national complex. RSI ENTECH’s primary focus is on NAICS 562910 — Remediation Services — which in practice means executing regulated cleanup of radioactive, hazardous, and mixed-waste sites under federal environmental mandates. The company is positioned as a niche provider of technical execution services for nuclear facility closure, with specialization in the unique challenges of aging infrastructure, radiological controls, and compliance with DOE Order 458.1 and RCRA standards. As a small business structured as a 2L entity based in Oak Ridge, Tennessee, RSI ENTECH operates with a geographically focused presence in the DOE’s nuclear corridor. While no formal government certifications are listed, their sustained performance on high-stakes, technically demanding contracts demonstrates institutional competence and reliability within the federal environmental remediation market.