Perma-Fix Environmental Services, Inc. is a nuclear services company and a provider of environmental remediation and mixed waste management services. Its segments include Treatment and Services. The Treatment segment includes nuclear, low-level radioactive, mixed waste, hazardous and non-hazardous waste treatment, processing, and disposal; and research and development activities to identify, develop and implement innovative waste processing techniques for problematic waste streams. The Services segment includes technical services, nuclear services and the Company-owned equipment calibration and maintenance laboratory that services, maintains, calibrates, and sources health physics, industrial hygiene (IH) and customized nuclear, environmental, and occupational safety and health (NEOSH) instrumentation. Its technical services include professional radiological measurement and site survey of large government and commercial installations using advanced methods, technology and engineering.