United Rentals, Inc. is an American equipment rental company, with about 16 percent of the North American market share as of 2022. It owns the largest rental fleet in the world with approximately 4,800 classes of equipment totaling about $20.59 billion in original equipment cost as of 2025. The company has a combined total of 1,625 locations, including an integrated network of 1,504 rental locations in North America, 38 in Europe, 23 in Australia and 19 in New Zealand. In North America, the company operates in 49 U.S. states and Puerto Rico and in every Canadian province. In 2017, United Rentals' revenue totaled more than $6.64 billion, with over $1.35 billion in profit. In the year 2024, United Rentals revenue totaled $15.35 billion. It is ranked #298 on the Fortune 500 as of 2024, #555 on the Forbes Global 2000 list of the world's largest public companies, and, as of 2025, ranked as the largest rental equipment company in North America according to the Rental Equipment Register. URI was founded in 1997 by Brad Jacobs and grew primarily through acquisition.