Surgutneftegas
Gazpromavia
LUKoil
Obneftegazgeologiya
Tyumenenergo
Khantymansiyskgeofizika
Khantymansiyskneftegazgeologiya
Noyabrskgazdobycha
Tyumentransgaz
The local administrations of the Khanty-Mansiysk and Yamalo-Nenetsk autonomous regions