TMK-Kaztrubprom
Pipe threading and finishing plant in Oral (Uralsk), part of the Russian TMK group since TMK bought Kaztrubprom in 2008. It produces casing and tubing with premium threaded connections in diameters of 60.3–177.8 mm for oil and gas wells. In 2020 it received a CT-KZ certificate of Kazakhstan origin for casing with TMK UP premium connections.