Clean Harbors, Inc. engages in the provision of environmental, energy, and industrial services. It operates through the Environmental Services and the Safety-Kleen Sustainability Solutions segments. The Environmental Services segment collects, transports, treats, and disposes of hazardous and non-hazardous waste through network waste disposal facilities including incinerators, landfills, treatment, storage and disposal facilities, wastewater treatment facilities, and solvent recycling centers. The Safety-Kleen Sustainability Solutions segment includes parts washer services, containerized waste services, vac services, used motor oil collection, and sale of base and blended oil products. The company was founded by Alan S. McKim in 1980 and is headquartered in Norwell, MA.
Sky Quarry, Inc. is an energy solutions company, which engages in deploying technologies to facilitate the recycling of waste asphalt shingles and remediation of oil-saturated sands and soils, providing sustainable refined crude products. It develops its ECOSolv technology that processes the separation of oil from oily sands and other oil-bearing solids. The company was founded by David Owen Sealock and Marcus G. Laun on June 4, 2019 and is headquartered in Woods Cross, UT.
Perma-Fix Environmental Services, Inc. is a nuclear services company, which engages in providing nuclear waste management services. It operates through the following segments: Treatment, Services, and Corporate. The Treatment segment includes nuclear, low-level radioactive, mixed hazardous and non-hazardous waste treatment, and processing and disposal services. The Services segment relates to on-site waste management services to commercial and government customers, technical services and nuclear services. The company was founded by Louis Francis Centofanti in December 1990 and is headquartered in Atlanta, GA.
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