Enviri Corporation provides environmental solutions for industrial and specialty waste streams in the United States and internationally. It operates through three segments: Harsco Environmental, Clean Earth, and Harsco Rail. The Harsco Environmental segment offers on-site environmental services for the management of waste and byproduct streams from its customers, which includes resource recovery and recycling of waste materials, materials handling and logistical support, and aluminum dross and scrap management. This segment also manufactures value-added downstream products from industrial waste streams and ecoproducts, which include road surfacing materials, metallurgical additives, agriculture and turf products, and cement additives. The Clean Earth segment provides specialty waste processing solutions, including treatment, recycling, and beneficial reuse of hazardous and non-hazardous wastes and processing of contaminated soil and dredged materials for customers in the industrial, retail, healthcare, and construction industries. The Harsco Rail segment offers railway track maintenance equipment and services, as well as railway maintenance services to railways, mass transit systems, and equipment leasing companies. Its products include engineered railway, rail treatment, tie, and utility track vehicles, new track construction equipment, after-market parts and services, and safety and diagnostics technology systems; and meltshop and furnace services, such as under-vessel cleaning, removal of ladle slag, and general melt shop debris. The company was formerly known as Harsco Corporation and changed its name to Enviri Corporation in June 2023. The company was founded in 1853 and is headquartered in Philadelphia, Pennsylvania.