STA
has been designing and building
wastewater, drinking water, primary water and rainwater treatment and purification plants
since 1999. Since 2024, the company has been an integral part of the
Sostelia Group, formed by the merger of eight Italian water treatment companies. The Sostelia Group offers state-of-the-art solutions to meet the needs of companies and public bodies to purify water from industrial liquid waste.
Sostelia is characterised by its extensive presence in the region, the technological innovation of the plants offered and the technical expertise of the companies that make up the Group. Sostelia makes it possible to correctly dispose of industrial fluids and lubricants, purify water and promote sustainable and conscious choices.