The first list includes the largest companies in the United States by revenue as of 2024, according to the Fortune 500 and Forbes rankings. The Fortune 500 list of companies includes only publicly traded companies, also including tax inversion companies. There are also corporations having foundation in the United States, such as corporate headquarters, operational headquarters and independent subsidiaries. However, this list does include several government-sponsored enterprises that were created by acts of Congress and later became publicly traded.
The second list used 2024 data and includes large privately held companies such as Cargill and Koch Industries.
Below are the 100 largest companies by revenue in 2025 (mostly for fiscal year 2024), according to the Fortune 500 list.
The following industries are represented in the top 100 largest companies: Aerospace and defense, agriculture manufacturing, airline, automotive, beverage, conglomerate, energy, financials, food industry and food processing, health insurance, healthcare, information technology, insurance, machinery, media, petroleum, pharmaceutical and pharmacy wholesale, retail, technology, telecommunications, telecom hardware manufacturing, and transportation.
Below are the 10 largest private companies by revenue in 2025 (mostly for fiscal year 2024), according to Forbes.
The 10 most profitable companies in 2025 (for fiscal year 2024), according to the Fortune 500.