Such data are provided by Tyumen journal in its survey. As many as 72 enterprises operating on the territory of the region were assessed. In 2013 Antipinsky Oil Refinery paid taxes to the tune of over 116 million rubles.
Only RN-Uvatneftegaz Limited Liability Company left Antipinsky Oil Refinery CJSC behind. The third position is occupied by Sibnefteprovod OJSC
. Such major companies as West Siberian Bank OJSC Sberbank of Russia, SIBUR Holding OJSC, Tobolsk Neftekhim, Tobolsk Polymer LLC, Mostostroi-11 OJSC, Sverdlovsk Railways, the branch of RZhD [Russian Railways] OJSC have been ranked among top 10, Schlumberger is ranked last in the top-ten rating.
The rating list has been drawn up based on the data provided by the Directorate of the Federal Tax Service for the Tyumen Region. The companies were listed considering their tax amounts paid to the territorial budget. Independent experts engaged by the editorial staff of the Tyumen journal carried out selection.