Trevi Group is a company that engages in soil engineering, drilling, and building automated underground car parks. It consists of Soilmec, a company that manufactures plants and rigs for foundation engineering, Drillmec, a manufacturer of hydraulic rigs for oil, geothermal, and water drilling, Petreven, a company providing drilling services, and Trevi, a company that operates in the execution of specialized works in the field of underground engineering.