PESI — Perma-Fix Environmental Svcs Inc

Perma-Fix Environmental Svcs Inc (PESI) is a waste management company listed on NASDAQ. It is led by Mark J. Duff, based in 8302 Dunwoody Place, Atlanta, GA, United States, 30350, with about 293 employees. Perma-Fix Environmental Services, Inc., through its subsidiaries, operates as an environmental and technology know-how company in the United States. The company operates in two segments, Treatment and Services. The Treatment segment offers nuclear, low-level radioactive, mixed waste, hazardous and non-hazardous waste treatment, and processing and disposal services through treatment and storage facilities. This segment is also involved in the research and development activities to identify, develop, and implement waste processing techniques for problematic waste streams. The Services segment provides technical services, including professional radiological measurement and site survey of government and commercial installations; health physics services; integrated occupational safety and health services; consulting, engineering, project and waste management, environmental, decontamination and decommissioning (D&D) field, and technical and management personnel and services; and waste management services. This segment also offers nuclear services, including D&D of government and commercial facilities, including engineering, technology applications, specialty services, logistics, transportation, processing, and disposal; and license termination support, such as project management, planning, characterization, waste stream identification and delineation, remediation/demolition, compliance demonstration, final status survey, reporting, transportation, disposal, and emergency response. In addition, it maintains, services, maintains, calibrates, and sources health physics, IH and customized nuclear, environmental, and occupational safety and health instruments. The company serves research institutions, commercial companies, public utilities, and governmental agencies through direct sales to customers or through intermediaries. Perma-Fix Environmental Services, Inc. was incorporated in 1990 and is headquartered in Atlanta, Georgia.

Latest reported PESI revenue for 2025-09-30 was $17.5M. Net income was -$1.8M. Revenue was up 19.7% from 2025-06-30 to 2025-09-30. PESI currently screens at market cap $230.7M.

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