Greenthesis S.p.A. engages in the remediation, environmental remediation and treatment, recovery, and disposal of special, hazardous, and non-hazardous waste in Italy. The company engages in the treating, recovering, and disposal of industrial waste, as well as energy production; and engineering, designing, and construction of fixed and mobile plants. It also offers remediation of contaminated sites. In addition, it installs fixed waste treatment and recovery plants, as well as mobile systems. Greenthesis S.p.A. is based in Segrate, Italy. Greenthesis S.p.A. is a subsidiary of Planesys SpA.