Semen Igorovich Sofronov

Vilyuyavtodor engages in road and highway repairs and maintenance. Its other activities include production of concrete, construction of roads, highways and railways, as well as other construction works and vehicle and industrial equipment lease services. The company was founder in 2005 and headquartered in Nyurba, Russia.

Sakhatransneftegas OJSC engages in the production, processing and distribution of natural gas. Its other activities include exploration works, installation of metering devices and gasification equipment, operation of gas pipelines and gas distribution networks. The company was founded on December 17, 2003 and is headquartered in Yakutsk, Russia.