Stoilensky GOK
 OJSC Stoilensky GOK is an iron ore company in Russia. Its main facility the Stoilensky Mining and Beneficiation Plant (SGОК) is located in Stary Oskol in the Belgorod region. Stoilensky is associated with Novolipetsk Steel and accounts for about 15% of Russia's iron ore production. Stoilensky GOK is listed in the MICEX and RTS exchanges in Russia.