Chevron Corporation, parent of Chevron, Texaco and Caltex, engages in oil and gas exploration; refining and marketing of oil, lubricants, fuels, petrochemicals; power generation.
Shell is a global group of energy and petrochemicals companies. With 104,000 employees in more than 110 countries, we play a key role in helping to meet the world’s growing demand for energy in economically, environmentally and social...
Operations in Alaska, western Canada, Rocky Mountains, mid- continent, Permian, Texas, Louisiana and Gulf of Mexico; and internationally in Algeria, Tunisia, West Africa and Australia (NYSE: APC).