OSS is here to help companies with installation, repair, maintenance, prefabrication and welding services on technological pipelines, various tanks, reservoirs, equipment and metal constructions and ventilations. Our highly qualified staff provides top-quality services in the oil refining, gas, chemical, energy, pulp & milling, shipping and other industries. The main priority of OSS is the timely provision of high-quality services according to international standards. Since its early days, OSS has been setting high goals and implementing ambitious projects. Having started its activities in Lithuania back in 2007, the company has expanded throughout 8 countries over the last decade. Currently, OSS has established representative offices in Sweden, Finland, Norway and Bulgaria.