World Top 500 Companies by Revenue as of 2023

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.

As of Jan-05-2024, Amazon market capitalization was 1,534 billion USD and it is World Top 5th rank company by market capitalization.

Amazon Web Services is one among the World biggest cloud service providers and Cloud Infrastructure World. Amazon, Google, Microsoft are pioneers and occupied maximum share in cloud service providers market.

Walmart is World's biggest retail stores 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. Headquarters is in USA. As on Jan-2022, Walmart has 10,593 retail stores. Generally Walmart retail stores will be very big in size when compared with other stores in same segment.

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.

As of August 2, 2026, Saudi Aramco had a market capitalization of approximately 1,705 billion USD (1.71 trillion USD).

As on Jan-05-2024, Saudi Aramco market capitalization was 2,132 billion USD and it is World 3rd largest company by market capitalization.

China Petroleum & Chemical Corporation is also known as SINOPEC is China based oil and gas company. Company has over 374,791 employees as of 2022.

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

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

• 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.
• As on 2022, UnitedHealth Group had 380,000 employees.

Apple company designs, manufactures and markets smartphones, personal computers, tablets, wearables and accessories and sells a variety of related services. Key products of Apple company are iPhone, MacBook, iPad, Smartwatches, Apple TV, Gaming devices. Headquarters is in USA.

Apple iPhones and Apple Mac Books are key revenue generating products of Apple. Relatively Apple OS is more secured than Android. So Apple products became more popular relatively when compared with Android products.

As of August 2, 2026, Apple Inc. had a market capitalization of approximately 4,549 billion USD (4.55 trillion USD), making it the world’s 2nd largest company by market capitalization.

McKesson is the oldest and largest healthcare company in the nation, serving more than 50% of U.S. hospitals and 20% of physicians. They deliver one-third of all medications used daily in North America with operations in more than 16 countries. Company has more than 2000 pharmacies. Headquarters is in New York, USA.

As on 2022, McKesson has 75,000 employees.

McKesson annual revenue generated for period ending Mar-2022 was 263,966 million USD.

McKesson annual net income generated for period ending Mar-2022 was 1,114 million USD.

Alphabet Inc is a technology Company and is parent company of Google. Alphabet has presence in search technology, cloud services, ads services, life sciences, investment capital, and research. Google is the World's biggest search engine and has presence in Cloud Technologies as well. Headquarters is in USA.

As of August 2, 2026, Alphabet Inc.’s market capitalization was approximately 4,362 billion USD (4.36 trillion USD), making it the world’s 3rd-largest company by market capitalization.

Alphabet Inc. is the parent company of Google, Nest, and other ventures. Alphabet supports and develops companies applying technology to the world’s biggest challenges.

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.

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