Top Five Companies of the World

1. Walmart Inc. (WMT)

Walmart Inc. is a U.S. multinational retail corporation that operates a chain of hypermarkets, discount department stores, and grocery stores from the United States, headquartered in Banksville, Arkansas. The company was founded by Sam Walton in 1962 and incorporated on October 31, 1969. It also owns and operates Sam's Club retail warehouses. As of January 31, 2021, Walmart has 11,443 stores and clubs in 27 countries, operating under 56 different names. The company operates as Walmart in the United States and Canada, Walmart de Mexico in Central America and Central America in the United States, Asda in the United Kingdom, CEO Group in Japan, and Flipkart Wholesale in India.It has full operations in Argentina, Chile, Canada, and South Africa. Since August 2018, Walmart has held only one minority stake in Walmart Brazil, renamed Groupo Big in August 2019, which held 20% of the company, and 80% of private equity firm Advent International. Is owned.

 According to the Fortune Global 500 list in 2020, Walmart is the world's largest company by revenue. It is a publicly owned family owned business, as the company is controlled by the Vault family. Sam Walton's legacy is owned by more than 50% of Walmart through their two companies, Walton Enterprises and Individual Holdings. Walmart was the largest grocery retailer in the United States in 2019, with Walmart accounting for 65% of US  510.329 billion in sales.

Walmart was listed on the New York Stock Exchange in 1972. By 1988, it was the most profitable retailer in the United States, and by October 1989 it had become the largest by revenue. The company was originally geographically limited to the south and lower Midwest, but had shore-to-coast stores until the early 1990s. The Sims Club opened in New Jersey in November 1989, and the first California store opened in Lancaster in July 1990. Walmart, located in York, Pennsylvania, opened its first Northeast Central store in October 1990.

Outside of the United States, Walmart's investment has yielded mixed results. Its operations and subsidiaries have been highly successful in Canada, the United Kingdom, Central America, South America, and China, but failed in Germany and South Korea.

2. China Petroleum & Chemical Corp. (SNP)

China Petroleum and Chemical Corporation, or Sinopec, is a Beijing-based Chinese oil and gas company. It is listed in Hong Kong and also trades in Shanghai and New York.
The parent of Sinopec Limited, Sinopec Group, is the world's largest oil refining, gas and petrochemical company, headquartered in Beijing, Chaoyang District. Sinopec's business includes oil and gas exploration, refining and marketing.Production and sale of petrochemicals, chemical fibers, chemical fertilizers, and other chemical products. Crude oil and natural gas storage and pipeline transport. Import, Export and Import Agency's business of crude oil, natural gas, refined oil products, petrochemicals and other chemicals. It also produces ethanol and many biofuels such as biodiesel and green jet fuel from waste vegetable oil. 

3.Amazon.com Inc. (AMZN)

Amazon.com, Inc. is an American multinational technology company based in Seattle, Washington, focused on e-commerce, cloud computing, digital streaming and artificial intelligence. It is one of the top five companies in the US information technology industry, along with Google, Apple, Microsoft, and Facebook. The company has been hailed as one of the "World's Most Influential Economic and Cultural Power" and the world's most valuable brand.Jeff Bezos founded Amazon on July 5, 1994, from his garage in Bellevue, Washington. It started as an online marketplace for books but expanded to sell electronics, software, video games, apparel, furniture, food, toys and jewelry. In 2015, Amazon surpassed Walmart as the most valuable retailer in the United States by market capitalization. In 2017, Amazon acquired the Whole Foods market for 13.4 billion, significantly expanding its reach as a physical retailer. In 2018, its two-day delivery service, Amazon Prime, surpassed 100 million customers worldwide.

 Amazon is known for thwarting well-established industries through technological innovation and large-scale. It is the world's largest online marketplace, AI assistant provider, live streaming platform and cloud computing platform as measured by revenue and market capitalization.Amazon is the world's largest Internet company by revenue. It is the second largest private employer in the United States and one of the most valuable companies in the world. By 2020, Amazon's price is the highest global brand.

 Amazon distributes downloads and series of video, music and audiobooks through its Prime Video, Amazon Music, Twitch, and Adable Assistants. Amazon also has a publishing arm, Amazon Publishing, a film and television studio, Amazon Studios, and a cloud computing subsidiary, Amazon Web Services. It manufactures consumer electronics, including e-readers, fire tablets, fire TVs, and echo devices. Acquisitions over the years have included Ring, Twitch, Whole Foods Market and IMDB.

Amazon has been criticized for its influence over technical oversight, a culture of highly competitive and demanding work, tax avoidance, and anti-competitive practices.

4. PetroChina Co. Ltd. (PTR) 

PetroChina is a Chinese oil and gas company and a registered arm of the National Petroleum Corporation (CNPC), the president of Beijing's Dongcheng District. The company is currently Asia's largest oil and gas producer and in 2006 was China's second largest oil producer. Trading in Hong Kong and New York, Mainland Enterprise announced its plans to issue stocks in Shanghai in November 2007, and as a result entered the SSE circle. 50 index. 2020 Forbes Global In 2000, PetroChina was named the 32nd largest public company in the world. 

5. Apple Inc. (AAPL) 

 Apple was founded by Steve Jobs, Steve Wozniak and Ronald Wayne in April 1976 to manufacture and sell Wozniak's Apple I personal computer, although Vann sold his stake to Nine Days and Wozniak within 12 days. It was incorporated in January 1977 as Apple Computer, Inc., and sales of its computers, including the Apple II, increased rapidly.

Apple Inc., an American multinational technology company headquartered in Capertino, California, designs, manufactures and sells consumer electronics, computer software and online services. It is considered one of the top five companies in the US information technology industry, along with Amazon, Google, Microsoft and Facebook. Its hardware products include iPhone smartphones, iPad tablet computers, Mac personal computers, iPod portable media players, Apple Watch smartwatches, Apple TV digital media players, AirPods wireless Airbuds, AirPods Max headphones and home pods. Smart included.Speaker Line Apple's software includes iOS, iPad OS, Mac OS, TVOS operating system, iTunes Media Player, Safari web browser, Shazam Music identifier, and iLife and iWork creativity and Includes productivity capabilities as well as professional applications such as Final Cut Pro. X, Logic Pro, and X code. Its online services include iTunes Store, iOS App Store, Mac App Store, Apple Arcade, Apple Music, Apple TV +, Apple Fitness +, iSage, and iCloud. Other services include Apple Store, Genius Bar, Apple Care, Apple Pay, Apple Pay Cash, and Apple Card. 

 Jobs and Wozniak hired a staff of computer designers, and its production line began at Jobs Garage. Apple went public in 1980 for immediate financial success. Over the next few years, Apple shipped new computers containing new graphical user interfaces, such as the original Macintosh in 1984, and Apple's marketing advertisements for its products. However, the high cost of its products and the limited library of applications caused problems, such as a power struggle between executives. In 1985, Wozniacki happily left Apple and became a full-time employee, leaving the job to find NeXT, along with some Apple co-workers.

As the personal computers market expanded and developed in the 1990s, Apple lost considerable market share to Intel PC clones for the low-cost Microsoft Windows Duplicate. The board hired CEO Gail Emilio because it would have spent 500 days trying to revive the financially distressed company, which would be done with restructuring, executive restructuring, and product focus. This led to Apple buying NeXT in 1997, resolving a failed operating system strategy and bringing back jobs.

Jobs took the lead, becoming CEO in September 1997. Apple quickly returned to profits after reviving the "Different Think" campaign, restoring Apple's status by launching the Mac and iPod, opening a retail chain of Apple stores in 2001, and acquiring software from multiple companies. Expand the portfolio. The company was renamed Apple Inc. in 2007, which reflected the consumer electronics focus, and launched the iPhone for critical and financial success. In August 2011, Jobs resigned as CEO due to ill health, and Tim Cook became the new CEO.Two months later, Jobs died, ending the company's tenure. In June 2019, Apple's CEO, Johnny Eve, left the company to start his own company, but said he would work with Apple as his primary client.

Apple's annual revenue for fiscal year 2020 was 4 274.5 billion. Apple is the world's largest technology company in terms of revenue and the world's most valuable company. Apple is the world's fourth largest PC vendor in terms of unit sales by January 2021. It is also the world's fourth largest smartphone maker. In August 2018, Apple became the first publicly traded U.S. company worth more than 1 1 trillion, and just two years later, in August 2020, it became the first $ 2 trillion U.S. company. Apple has 147,000 full-time employees by 2020 and maintains 510 retail stores in 5 countries.It runs the iTunes Store, the world's largest music retailer. As of January 2020, Apple's 1.5 billion products are actively used worldwide. The company also has a high level of brand loyalty and is considered to be the most valuable brand in the world. However, Apple has received significant criticism of its contractors' labor practices, its environmental practices, and its unethical business practices, including its competitive behavior, as well as the origin of source material.