In October 2007, Alstom Hydro Energia Brasil concluded the sale of its Irrigation and Sewage Division to an experienced and recognized Directors group of that Division, which created the hydrostec tecnologia e equipamentos Ltda.

hydrostec incorporated also experienced professionals of the division and its intellectual and physical material which along the years has passed through different societary changes, from Mecânica Pesada S.A. to Alstom Hydro Energia Brasil Ltda.