Globally, Chevron is the largest producer of oil and gas in Angola and Kazakhstan and the top crude producer in Indonesia. It is the one of the largest producers in the United States, West Africa, Asia-Pacific and Latin America.Chevron Corp. ranks among the world's largest and most competitive global energy companies. Headquartered in San Francisco, it is engaged in every aspect of the oil and gas industry, including exploration and production; refining, marketing and transportation; chemicals manufacturing and sales; and power generation.Still, like the rest of the industry, its earnings from rising crude prices were pinched by increased refining costs. The company has also invested in energy alternatives, including geothermal and biodiesel fuels, and signed contracts to develop oil fields in China.
