Maire Tecnimont SpA is an Italy-based company that provides engineering and construction services and products through its subsidiary. The company operates through two segments. The Hydrocarbons business unit segment designs and constructs plants, for the natural gas chain involving separation, treatment, liquefaction, transport, storage, regasification and compression, and pumping stations. The Green Energy business unit segment is involved in undertaking mechanical plastics recycling and the promotion of recycled chemicals.