China National Petroleum Corporation (CNPC) (simplified Chinese: 中国石油天然气集团公司; traditional Chinese: 中國石油天然氣集團公司; pinyin: Zhōngguó Shíyóu Tiānránqì Jítuán Gōngsī) is state-owned Chinese oil and gas corporation and one of the largest integrated energy groups in the world.
Royal Dutch Shell plc (LSE: RDSA, RDSB), commonly known as Shell, is a British–Dutch multinational oil and gas company headquartered in the Netherlands and incorporated in the United Kingdom. It is one of the six oil and gas "supermajors" and the sixth-largest company in the world measured by 2016 revenues (and the largest based in Europe).
Berkshire Hathaway is a holding company for a multitude of businesses, run by its famous Chairman and CEO, Warren Buffett. Berkshire Hathaway is a holding company for a multitude of businesses, run by its famous Chairman and CEO, Warren Buffett.
Apple Computer Company was founded on April 1, 1976, by Steve Jobs, Steve Wozniak and Ronald Wayne. The company's first product was the Apple I, a computer single-handedly designed and hand-built by Wozniak, and first shown to the public at the Homebrew Computer Club.
ExxonMobil, the largest publicly traded international oil and gas company, uses technology and innovation to help meet the world’s growing energy needs. We hold an industry-leading inventory of resources and are one of the world’s largest integrated refiners, marketers of petroleum products and chemical manufacturers.
Walmart de Mexico, S.A.B. de C.V. operates Walmart's Mexican and Central American businesses. Walmart de Mexico's predecessor company was established in 1952 under the name Cifra. Walmart entered a joint venture with the publicly traded Cifra in 1991 to open Walmart branded stores in Mexico.