Koch Industries Group
Koch industries, headquartered in Kansas, USA, is the largest unlisted company in the world.
Indian Oil Corporation
Its main business activities include refining, marketing and engaging in international trading activities, with its primary mission being to reduce India's dependence on foreign oil and thereby save valuable foreign exchange
Royal Dutch Shell plc Group
Royal Dutch Petroleum was founded in 1890 with a special mandate from the Queen of the Netherlands, hence the name Royal Dutch Petroleum. In order to compete with Standard Oil of the United States, the largest oil company at the time, Royal Dutch Petroleum merged with the British Shell Transport and Trading Company in 1907 to form the Royal Dutch Shell Group.
Oil King - Paul Getty
Despite his wealth, Getty's personal life was often characterised by a penchant for frugality
