Perma-Fix Environmental Services, Inc. is a nuclear services and waste management company based in the United States. The company operates through two primary segments: Treatment and Services. The Treatment segment manages specialized facilities that process and dispose of low-level radioactive, hazardous, and mixed waste. The Services segment provides on-site environmental restoration, decontamination, decommissioning, and radiological protection services. Perma-Fix primarily serves federal agencies, including the U.S. Department of Energy and the Department of Defense, alongside commercial nuclear utilities, hospitals, and research institutions. The company is distinguished by its proprietary technologies and specialized permits required to handle complex and highly regulated nuclear waste streams.