Sergey Mikhailovich Guzhelev

Stroygazmontazh LLC engages in the construction of infrastructure for oil and gas industry. Its services include project management in the construction of main gas pipelines and industrial facilities, development of oil and gas fields and gas and oil refineries, overhaul and reconstruction of gas pipelines; and the gasification activities. The company was founded by Arkady Rotenberg in 2007 and is headquartered in Moscow, Russia Federation.

Spetsgazremstroy OAO engages in the construction, repair, and installation works of gas industry objects. Its specialization is electro chemical protection of underground metal constructions, geodetic works on construction sites, installation of concrete and reinforced concrete structures, installation of wooden structures, insulation and roofing, landscaping, decorating, and works on installation of external utility systems. The company was founded on July 21, 1982 and is headquartered in Moscow, Russia.