Chevron works to meet the world's growing demand for energy by exploring for oil and natural gas; refining and marketing gasoline; producing chemicals and geothermal power and more.

Total est un des leaders mondiaux dans l’industrie du pétrole et du gaz naturel. Exploration et production, raffinage et marketing, gaz & énergies nouvelles, trading.

Petróleos Mexicanos es el organismo paraestatal encargado de la extracción y procesado de petróleo y gas.

Statoil's biggest activities are located in Norway. With our head office in Stavanger, corporate functions are split between that city and Oslo.

印度石油天然气公司(Oil and Natural Gas Corporation)的前身为印度石油天然气委员会，成立于1956年，1993年改为现名称。1995年，印度石油天然气公司拥有石油储量为 7.3亿吨，天然气储量为6580亿立方米，石油产量为3165万吨，天然气产量为168亿立方米。ONGC Videsh Ltd公司是该公司子公司，负责国外的石油勘探、开发活动。

Third largest integrated energy company in the US and the fifth largest refiner in the world.

俄罗斯天然气工业股份公司 （LSE：OGZD）；俄语：ОАО Газпром，英语：Gazprom，简称“俄气”，有时音译为“盖茨普洛姆”，是俄罗斯最大的公司，也是全世界最大的天然气开采企业。“俄气”为中欧、东欧和独联体各国提供所需的几乎全部天然气。

People in the know trust the Texaco brand. For more than a century, the Texaco brand has combined experience with knowledge to attract customers who wish to be come - or already are - car enthusiast.

The World Energy Council is the foremost global and inclusive forum for impartial dialogue and thought leadership on our common energy future.

OPEC(Organization of the Petroleum Exporting Countries) is a permanent intergovernmental organization of 12 oil-exporting developing nations that coordinates and unifies the petroleum policies of its Member Countries.