Chevron Corporation (NYSE: CVX Euronext: CHTEX) is an American multinational energy corporation. Headquartered in San Ramon, California, and active in more than 180 countries, it is engaged in every aspect of the oil, gas, and geothermal energy industries, including exploration and production; refining, marketing and transport; chemicals manufacturing and sales; and power generation. Chevron is one of the world's six "supermajor" oil companies; as of 2013, it ranked Third in the Fortune Global 500-2014 list of the world's largest companies.

Chevron's downstream operations manufacture and sell products such as fuels, lubricants, additives and petrochemicals. The company's most significant areas of operations are the west coast of North America, the U.S. Gulf Coast, Southeast Asia, South Korea, Australia and South Africa. In 2010, Chevron sold an average 3.1 million barrels per day of refined products like gasoline, diesel and jet fuel.

Chevron's alternative energy operations include geothermal, solar, wind, biofuel, fuel cells, and hydrogen. In 2011–2013, the company plans to spend at least $2 billion on research and acquisition of renewable power ventures. Chevron has claimed to be the world's largest producer of geothermal energy. In October 2011, Chevron launched a 29-MW thermal solar-to-steam facility in the Coalinga Field to produce the steam for enhanced oil recovery. The project is the largest of its kind in the world.