Perma-Fix Environmental Services (PESI)

Perma-Fix operates through two main business areas. Its treatment operations receive, process, stabilize, and prepare waste for disposal, including low-level radioactive waste and mixed waste that contains both hazardous and radioactive components. These services are used by government agencies, research institutions, utilities, and commercial customers that need compliant options for difficult waste streams.

The company’s services business provides on-site support to customers managing complex remediation, decommissioning, logistics, and waste handling projects. This work can include technical consulting, field services, transportation coordination, construction support, and project management. The services segment is an important contributor to revenue and gives Perma-Fix exposure to broader environmental cleanup and nuclear infrastructure activity.

Perma-Fix is distinctive because it combines permitted treatment capacity with field-based nuclear services, allowing it to support customers across multiple stages of the waste lifecycle. Its market is shaped by public-sector cleanup programmes, nuclear power operations, defence-related waste, laboratory activity, and changing environmental standards. For investors, PESI represents a small-cap company tied to specialised environmental compliance needs rather than a broad waste collection or recycling business.