Sesa-backed Computer Gross, a provider of high-performance IT solutions, completed the acquisition of a 60% stake in Maint System, a provider of complete hardware and software solutions as well as consultation, installation and maintenance of IT solutions. Financial terms were not disclosed. “We are excited to join Sesa Group and Computer Gross organization and contribute with our know-how to consolidate the offer for the benefit of our reference partners and Vendors, strengthening the digital skills of our human capital," Giuseppe Catenazzi and Massimo Augusto Gabbiani, Maint System Founders.