Oil Giant is a term used to describe large oil companies that have a significant presence in the global oil industry. Hess, AMOCO, Esso, Sunoco, and Getty are all examples of Oil Giants. Hess is a multinational oil and gas company based in the United States. AMOCO is an American oil and gas company that was acquired by BP in 1998. Esso is a brand name of ExxonMobil, one of the world's largest publicly traded oil and gas companies. Sunoco is an American petroleum and petrochemical manufacturer and marketer. Finally, Getty is an American oil company founded in the early 20th century.