Chevron Corporation, accessible via chevron.com, is a multinational energy corporation headquartered in San Ramon, California. It is one of the world's largest integrated energy companies, involved in virtually every facet of the energy industry. Chevron is engaged in the exploration, production, and transportation of crude oil and natural gas; refining, marketing, and distribution of fuels and lubricants; manufacturing and selling of petrochemical products; and the development of renewable energy sources. The company is committed to delivering affordable, reliable, and ever-cleaner energy to improve the quality of life around the world. Chevron operates in more than 180 countries and is known for its focus on innovation, sustainability, and safety in its operations.