• Sector: Energy
• Headquarters: Beijing

PetroChina, shut out of the top 10 last year, lands at number eight in the new ranking.

The company is one of China's top oil producers, and it is working to beef up its international experience. To that end, the firm has partnered with Exxon Mobil on projects in Iraq -- an increasingly important source of energy for China.

NEXT: Sinopec