Walmart is World's biggest retail market company and it has eCommerce business as well along with brick and mortar Retail stores. Around the world as on Jan-2022, 2.3 million employees are working for Walmart. In the U.S., where about 90% of the population lives within 10 miles of a Walmart store or Sam’s Club. Headquarters is in USA.

As on Oct 2020, each week, over 265 million customers and members visit approximately 11,400 stores under 55 banners in 26 countries and eCommerce websites. With fiscal year 2020 revenue of 524 billion USD, Walmart employs over 2.3 million employees worldwide.

As on Jan-2022, Walmart has 10,593 retail stores.

For year ending Jan-2022 Walmart Annual Revenue was 572.75 Billion USD and Annual Net Income was 13.67 Billion USD.

Amazon.com is the world's biggest e-Commerce portal. Amazon sells electronics, mobiles, laptops, dresses, toys and whatever the things in the world associated with price you can find at Amazon. Headquarters is in USA. 

Amazon Web Services which is Cloud Infrastructure became World Number 1 in Cloud Services and Cloud Infrastructure World. 

Amazon has its operation in e-Commerce operations in USA, UK, China, India, Canada, Australia, Germany, Italy, Spain, Netherlands, Brazil, Japan, Mexico, Ireland, France. Amazon is present across the globe.

Amazon providing Amazon Cloud Services which became very popular and Amazon Cloud became leader in short time. Amazon Cloud became umbrella for many companies to host their services with Amazon Cloud. 

Saudi Aramco is oil and gas exploration, refinery and trading company. Saudi Aramco is the world’s largest integrated oil and gas company having both upstream and downstream operations, producing the energy and chemicals. Headquarters is in Saudi Arabia.

Net income of Saudi Aramco for year ending Dec-2021 was 110.0 billion USD.

Aramco’s net income increased by 124% to 110.0 billion USD in 2021, compared to 49.0 billion USD in 2020.

In 2021, Aramco’s average hydrocarbon production was 12.3 million barrels of oil equivalent per day (mmboed), including 9.2 mmbpd of crude oil.

In 2019, Saudi Aramco average hydrocarbon production was 13.2 mmboed, including 9.9 mmbpd of crude oil. 

In 2020, Aramco‘s average hydrocarbon production was 12.4 mmboed, including 9.2 mmbpd of crude oil.

As on Mar-2021, Saudi Aramco had 79,800 employees

China Petroleum & Chemical Corporation is also known as SINOPEC is China based oil and gas company. Company has over 384,065 employees as on 2020.

Apple Company designs, manufactures and markets smartphones, laptops, personal computers, tablets, smart watches, wearables and accessories and sells music products. Headquarters is in USA. Apple market value crossed 2.8 Trillion USD as on Jan-07-2022 and became World Number 1 company by Market Value.

PetroChina is second largest Oil and Gas Company in China with headquarters in China. Explores and Produces Oil and Gas. Markets PetroChemicals and other Chemicals.

Berkshire Hathway Inc is USA based Conglomerate Company. Berkshire Hathway Business is into Diversified investments, Property & casualty Insurance, Utilities, Restaurants, Food processing, Aerospace, Toys, Media, Automotive, Sporting goods, Consumer products, Internet, Real estate. Headquarters is in USA.

Berkshire Hathaway have two Massachusetts textile firms: 

• Hathaway Manufacturing Company .
• Berkshire Cotton Manufacturing Company.

As on 2021, Berkshire Hathway Inc have 3,72,000 employees.

Berkshire Hathway Inc annual revenue generated for period ending Dec-2021 was 354.63 million USD.

Berkshire Hathway Inc annual net income generated for period ending Dec-2021 was 89.79 million USD.

CVS Health Corporation is USA Based Healthcare Company and its services include Retail Pharmacy, Pharmacy Benefits Management, Clinical Services, Specialty Pharmacy, Digital Services. Headquarters is in USA.

As on 2020, CVS Health Corporation has 9,962 stores.

As on 2021,  CVS Health Corporation has 29,5000 employees.

CVS Health Corporation have three segments:

• Health Care Benefits:

The Health Care Benefits segment offers a broad range of traditional, voluntary, and consumer-directed health insurance products and related services, including: 

medical, pharmacy, dental, and behavioral health plans 

medical management capabilities 

Medicare Advantage and Medicare Supplement plans n Prescription Drug Plans (PDP) 

ExxonMobil is the largest publicly traded international oil and gas company, uses technology and innovation to help meet the world’s growing energy needs. They hold an industry-leading inventory of resources and are one of the world’s largest integrated refiners, marketers of petroleum products and chemical manufacturers. Produces Petrochemicals, Diesel, Plastics and Gasoline. Headquarters is in USA. ExxonMobil  brands are Exxon, Esso and Mobil.

As on 2021 Company facts :

• earnings: 23 B.
• cash flow: 48 B.
• structural cost savings: 2 B.
• consecutive annual dividend growth: 39 years.

ExxonMobil annual revenue generated for period ending Dec-2021 was 285.64 million USD.

UnitedHealth Group is a distinctively diversified health and well-being company headquartered in the United States, and a leader worldwide in helping people live healthier lives and helping make the health system work better for everyone. Headquarters is in USA.

UnitedHealth Group annual revenue generated for period ending Dec-2021 was 285.27 Billion USD.

UnitedHealth Group annual net income generated for period ending Dec-2021 was 17.28 Billion USD.

• Through UnitedHealthcare and Optum, UnitedHealth Group offers health benefits and services to people residing in all 50 states in the United States and more than 130 other countries.

• UnitedHealth Group invests more than $3.3 billion in technology and innovation, and processes approximately 1 trillion transactions annually.