Perma-Fix Environmental Services, Inc., through its subsidiaries, operates as an environmental and technology know-how company in the United States. It operates in two segments, Treatment and Services. The Treatment segment provides nuclear, low-level radioactive, mixed, hazardous, and non-hazardous waste treatment, processing, and disposal services through licensed and permitted treatment and storage facilities. It also engages in the research and development activities to identify, develop, and implement waste processing techniques for problematic waste streams. The Services segment offers on-site waste management services to commercial and government customers; and owns an equipment calibration and maintenance laboratory that services, maintains, calibrates, and sources health physics and industrial hygiene, as well as customized nuclear, environmental, and occupational safety and health instrumentation. It also provides technical services, which include professional radiological measurement and site survey; integrated occupational safety and health; consulting, engineering, project and waste management, and environmental; decontamination and decommissioning (D&D) field, technical, and management personnel; and augmented engineering services. In addition, this segment offers nuclear services that comprise technology-based services, including engineering, D&D, specialty services, construction, logistics, transportation, processing, and disposal services; remediation of nuclear licensed and federal facilities; and the remediation cleanup of nuclear legacy sites. The company serves research institutions, commercial companies, public utilities, and governmental agencies through direct sales or intermediaries. Perma-Fix Environmental Services, Inc. was founded in 1990 and is based in Atlanta, Georgia.