URI

United Rentals, Inc.

One of the world's largest equipment rental companies, United Rentals rents out construction, aerial, and industrial machinery along with specialty gear like trench safety systems, power and HVAC units, and mobile storage. Contractors, builders, and industrial firms across North America turn to it for everything from scaffolds to generators. The company grew by buying up rivals like Ahern Rentals and Yak, building a fleet of more than a million machines.