Oil and gas exploration, Extracting oil and gas, Moving oil and gas, Making fuels and products, Selling fuels and products, Generating low carbon energy, Working responsibly.

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。

科威特国家石油公司建立于1960年。最初是一家由政府和私人共同拥有的股份公司，到1975年公司全部为国家所有，1980年科威特政府成立科威特石油公司(Kuweit Petroleum Corporation, KPC)后，KNPC成为KPC母公司下属的一个子公司。从事国内外石油工业活动，主要负责国内的石油炼制和液化石油气。

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

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.

American Foundry Society promotes the metalcasting industry by helping foundry and diecasting members to manage all production operations and market their products and services.