Chevron Corporation (Chevron) is an international energy corporation. Headquartered in San Ramon, California, the company operates in more than 180 countries worldwide. Chevron specialises in every aspect of the natural gas, crude oil and geothermal industries. Chevron is engaged in hydrocarbon explorations, refining and transportation, chemicals manufacturing and power generation. As one of the world’s leading oil providers, in 2014 Chevron was ranked the third in the US Fortune 500 list and the 16th on the Fortune Global 500.