From 2004 to 2006, the government took control of formally privatized companies in certain "strategic" sectors. oil, aviation, power generation equipment, machine-building and finance. For example, the state-owned defense equipment company Rosoboronexport took control of Avtovaz, the primary producer of Russian cars. In June 2006, it took 60% control of VSMPO-Avisma, a company that accounts for two-thirds of the world's titanium production.