ENG ABOUT US ACTIVITIES PROJECTS STRUCTURE PRESS CENTER INFORMATION home About us Story Story In 2015, the Stroytransgaz Group of Companies celebrates its 25th anniversary. During this period, STG has gone from a highly specialized contractor of Gazprom, established in 1990, to one of the largest construction holdings implementing large-scale projects in the field of energy, industrial and civil construction in Russia and abroad. CONTACT INFORMATION RSS 2014 © OJSC Stroytransgaz