Submersible electric pumps have been appreciated for years for the technical characteristics and efficiency with which they perform their role in service stations, which are more profitable and, above all, less harmful to the environment than traditional installations. We produce Officine di Trevi submersible pumps, ATEX certified and not based on the site, to be installed in fuel tanks, drain wells, piezometric wells for the extraction of liquids contaminated by hydrocarbons, pure aromatic hydrocarbons, AdBlue. The pumps are equipped with cables suitable for immersion in more or less charged liquids and, of course, also contaminated with hydrocarbons.