TNG Group (known as OJSC “Tatneftegeophysica” before reorganization) is the largest highly-technological oilfield servicing company in the Russian Federation with over a half-century background of working in various climatic and geological environments in Russia, Former Soviet Union, Asia and the Middle East.

The presence of the up-to-date technology, deployment of its own scientific developments provide the company the high rating point in the conditions of tough competitiveness in the market of geophysical services and successful cooperation with key oil companies in Russia and abroad.