If success is measured by how much money you generate then Walmart is riding high. According to Fortune 500 Walmart has a revenue of $482 billion. The US retail giant owns Asda in the UK. It has claimed the top spot on the Fortune Global 500 eleven times since 1995. Walmart Headquartered in Bentonville, Arkansas was founded by Sam Walton in 1962. Walmart is a family-owned business as the company is controlled by the Walton family. Sam Walton’s heirs own over 50 percent of Walmart through their holding company, Walton Enterprises, and through their individual holdings. It is also one of the world’s most valuable companies by market value. 


The world’s biggest power company has a revenue of $330 billion. It is state-owned and transmits and distributes power in China and in overseas markets. The power distributor is headquartered in Xicheng District, Beijing and manages distribution from four regional subsidiaries. The Chinese giant enjoys a monopoly like few others. State Grid’s spending on solar farms, wind, and alternative energy  sources has counted in tens of billions lately, driven by China’s unprecedented push into alternatives. It has 1.9 million employees and 1.1 billion customers.


CNPC, also owned by the Chinese state, is a global oil giant, which owns publicly listed PetroChina. It has operations across the Middle East and Russia. According to forbes CNPC  has a revenue of  $299 billion. CNPC is China’s largest oil and gas producer and supplier, as well as one of the world’s major oilfield service providers and a globally reputed contractor in engineering construction. The company has a presence in almost 70 countries. Its headquarters are in Dongcheng District, Beijing. CNPC is the parent of PetroChina , the fourth largest company in the world in terms of revenue. In March 2014, CNPC chairman Zhou Jiping announced that CNPC would be opening six business units to private investors.The exploration projects, both domestic and overseas, are run by a wholly owned subsidiary, the Great Wall Drilling Company (GWDC).



Yet another Chinese oil giant, China Petroleum & Chemical Corporation, or Sinopec, is listed in Hong Kong. It has a revenue of $294 billion. Sinopec is a super-large petroleum and petrochemical enterprise group, established in July 1998 on the basis of the former China Petrochemical Corporation. Sinopec Group is a state-owned company solely invested by the state, functioning as a state-authorized investment organization in which the state holds the controlling share. It is headquartered in Beijing. Sinopec’s business includes oil and gas exploration, refining, and marketing; production and sales of petrochemicals , chemical fibers, chemical fertilizers, and other chemical products; storage and pipeline transportation of crude oil and natural gas; import, export and import/export agency business of crude oil, natural gas, refined oil products, petrochemicals, and other chemicals.


 Royal Dutch Shell plc commonly known as Shell, is an Anglo-Dutch multinational  oil company headquartered in Netherlands and incorporated in the United Kingdom. It is one of the six oil and gas “supermajors”  and the fifth largest company in the world measured by 2016 revenues. According to forbes it has a revenue of $272 billion. Shell is vertically integrated  and is active in every area of the oil and gas industry,including exploration  and production ,refining , distribution and marketing ,petrochemicals, power generation and trading. It also has renewable energy activities in the form of biofuels and wind.  Shell has operations in over 90 countries, produces around 3.7 million barrels of oil equivalent  per day and has 44,000 service stations worldwide. In recent decades gas exploration and production has become an increasingly important part of Shell’s business.Shell’s logo, known as the “pecten”, is one of the most familiar commercial symbols in the world.


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