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...
ConocoPhillips - ConocoPhillips is an international, integrated energy company. It is the third-largest integrated energy company in the United States, based on market capitalization, oil and gas proved reserves and production; and the seco...
Marathon Oil Corporation spotlightOperating across the globe, Marathon Oil Corporation is among the world's leading integrated energy companies.Marathon Brand, Speedway SuperAmerica and Pilot Travel Centers
USA. Multi-national group of companies, active in fuels, lubricants, chemicals and polymers for a wide range of consumer, technical and industrial markets. Polypropylene resins for nonwovens spunbond, meltblown and SMS technologies, and sta...
Dow is a leader in science and technology, providing innovative chemical, plastic and agricultural products and services to many essential consumer markets. With annual sales of $40 billion, Dow serves customers in 175 countries and a wide...