TerniGreen S.p.A. operates in the environmental, technology, and metals businesses in Italy. It engages in the construction and operation of plants for the treatment of organic waste; production of energy from biogas; treatment and recycling of used tires; storage of vegetable oils; and management of biological treatment plants. The company also deals with recovering and marketing of secondary raw materials resulting from decontamination and decommissioning of industrial plants, as well as recovery of ferrous and non ferrous metals from demolition. In addition, it manufactures computer systems, and devices based on industrial patents or technologies; provides software development services; and offers scientific and technological research services. The company was formerly known as TerniTecnologie S.p.A. and changed its name to TerniGreen S.p.A. in September 2010. TerniGreen S.p.A. is based in Narni, Italy. As of September 13, 2012, TerniGreen S.p.A. operates as a subsidiary of TerniEnergia SpA.