Occidental Petroleum Corporation (NYSE: OXY) is an international oil and gas exploration and production company — one of the largest in the U.S., based on equity market capitalization — and our OxyChem subsidiary is a major North American chemical manufacturer
Cepsa | Compañía Energética Global - Adaptable Energeering
En Cepsa trabajamos en todas las fases de la cadena de valor del petróleo. Gracias a la excelencia tecnológica, hacemos tu mundo más eficiente.
A Leading Independent Energy Company
Find out about Hess Corporation, a global company devoted to exploring oil, gas and energy solutions, and about investing on our official website.
BP is one of the world's leading integrated oil and gas companies. We provide customers with fuel for transportation, energy for heat and light, lubricants to keep engines moving, and the petrochemicals products used to make everyday items as diverse as paints, clothes and packaging.