Billion-dollar companies have been part of the U.S. economy for more than a century. Trillion-dollar companies, however, are a more recent development. Although Apple (AAPL +1.25%) is often considered to be the first publicly traded company to reach $1 trillion in market capitalization, it's neither the first nor the last to reach a four-comma valuation. Read on to learn more about the trillion-dollar club's history, as well as its past, present, and potential future members.

- Nvidia: (NVDA +2.26%). The chipmaker, which has benefited from the artificial intelligence (AI) boom, hit the $1 trillion mark in May 2023.
- Microsoft: (MSFT +0.56%). The software and cloud computing giant reached a $1 trillion valuation in April 2019.
- Apple: The tech king became a member of the trillion-dollar club in September 2018.
- Alphabet: (GOOG +2.67%)(GOOGL +2.73%). The digital advertising and search engine leader became worth more than $1 trillion in January 2020.
- Amazon: (AMZN +1.43%). The e-commerce and cloud computing kingpin hit $1 trillion in market capitalization in September 2018.
- Meta Platforms: (META +0.59%). The social media phenomenon became worth more than $1 trillion in June 2021.
- Saudi Aramco: The Saudi oil company became worth more than $1 trillion in December 2019. Note that foreign investors who want to buy a share are required to have at least $500 million in assets to open an account on the Tadawul exchange, where about 1.5% of its stock is traded.



















