The 10 Richest Companies in the U.S.: How They Made Their Fortunes

10 Richest Companies: The United States houses some of the globe’s wealthiest companies. This article presents a rundown of the wealthiest 10 companies in the United States based on their market capitalization in 2023.

The companies are ranked according to their market capitalization, which is determined by multiplying the current market price per share by the number of outstanding shares. The information for this article is obtained from the Fortune 500 list of companies and Forbes magazine.

Top 10 Richest Companies in the U.S.


Boasting a market capitalization of $611,289 million, Walmart holds the title of the world’s largest retailer. The company runs a chain of hypermarkets, discount department stores, and grocery outlets. Its target demographic comprises low- and middle-income consumers. Walmart’s triumphant journey is attributed to its affordable pricing, effective supply chain management, and expansive operations.


Securing the second position among U.S. companies, Amazon commands a market capitalization of $513,983 million. Operating across two key segments – retail and cloud computing – Amazon’s retail branch includes online sales of books, electronics, apparel, and other items. The company’s cloud computing division furnishes web services to individuals and businesses. Amazon’s success story is underpinned by its pioneering business model, customer-centric ethos, and strategic acquisitions.

Exxon Mobil:

With a market capitalization of $413,680 million, Exxon Mobil reigns as the largest oil and gas enterprise in the United States. The company engages in all facets of the petroleum industry, spanning exploration, production, refining, and marketing. Exxon Mobil’s prosperity owes itself to its substantial oil and gas reserves, streamlined operations, and potent brand recognition.


Holding a market capitalization of $394,328 million, Apple stands as one of the globe’s foremost technology giants. The company specializes in designing and crafting consumer electronics, encompassing smartphones, tablets, computers, and smartwatches. Apple’s triumph is traced back to its pioneering products, robust brand identity, and loyal customer base.

UnitedHealth Group:

Carrying a market capitalization of $324,162 million, UnitedHealth Group ranks as one of the premier healthcare corporations internationally. It provides health insurance solutions to both individuals and businesses. The company’s favorable trajectory can be attributed to its streamlined operations, strategic acquisitions, and robust brand recognition.

CVS Health:

Presenting a market capitalization of $322,467 million, CVS Health emerges as another significant player in the U.S. healthcare sector. The company administers a chain of pharmacies and extends health insurance services to individuals and businesses. CVS Health’s accomplishment is rooted in its expansive operational scope, efficient supply chain management, and strategic acquisitions.

Berkshire Hathaway:

Flaunting a market capitalization of $302,089 million, Berkshire Hathaway operates as a conglomerate holding firm. The company possesses multiple subsidiaries spanning diverse industries, including insurance, energy, manufacturing, retail, and transportation. Berkshire Hathaway’s triumph is ascribed to its diversified business portfolio and effective leadership helmed by Warren Buffett.


Acting as the parent company of Google, Alphabet commands a market capitalization of $282,836 million. The company extends online search services and advertising solutions through its subsidiary, Google Ads. Alphabet’s success story is anchored in its dominant position within the online search advertising arena and its innovative offerings like Google Maps and YouTube.

McKesson Corporation:

Holding a market capitalization of $276,711 million, McKesson Corporation ranks as one of the leading healthcare corporations globally. It delivers pharmaceutical distribution services to hospitals and pharmacies throughout North America. McKesson Corporation’s favorable trajectory owes itself to its extensive operational reach and efficient supply chain management.

Chevron Corporation:

With a market capitalization of $246,252 million, Chevron Corporation is a prominent global player in the oil and gas sector. The company engages comprehensively in the petroleum industry, encompassing exploration, production, refining, marketing, and transportation. Chevron Corporation’s success is rooted in its substantial oil and gas reserves alongside its efficient operations.

Historical Changes

The rankings of these companies have shifted over time due to different factors like mergers, acquisitions, or alterations in market conditions. For instance:

  • In 2010, Exxon Mobil held the top spot on the Fortune 500 list, but it was replaced by Walmart in 2011.
  • In 2018, Amazon overtook Microsoft to secure the second position on the Fortune 500 list.

Future Outlook

The future outlook for these companies relies on several factors, including economic circumstances and technological advancements. For example:

  • Walmart’s future growth potential hinges on its ability to effectively compete with Amazon’s online retail business.
  • Apple’s future growth potential is contingent upon its capacity to innovate new products that resonate with consumers.
  • Alphabet’s future growth prospects are tied to its ability to sustain its dominant position in online search advertising and to continue introducing new products.


In summary, these represent the top 10 wealthiest companies in the United States, gauged by market capitalization as of 2023 according to the Fortune 500 rankings. These companies attribute their success to a range of factors, including innovation, strategic collaborations or acquisitions, geographic expansion, and more. The unfolding future promises to shed light on these companies’ continued growth trajectories.


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