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Perma-Fix Environmental Services Inc is a provider of both nuclear services and the management of nuclear and mixed waste. The company operates through two segments: The treatment segment offers nuclear, low-level radioactive, Mixed, hazardous and non-hazardous waste treatment, processing and disposal services, and the Services segment which generates the majority of the revenue, provides on-site waste management services to commercial and government customers, technology-based services, construction, logistics, and transportation services among others.
Accuray Inc is a radiation oncology company that develops, manufactures, sells and supports precise, treatment solutions which set the standard of radiation therapy care with the objective of helping patients live lives. The company's technology, The CyberKnife, is used to treat multiple types of cancer and tumors throughout the body. The CyberKnife Systems automatically track, detect and correct for a tumor and patient movement in real-time during the procedure, enabling delivery of precise, high dose radiation with sub-millimetre accuracy while patients breathe normally, without manual user intervention.