The 2025 FleetOwner 500: Private list ranks the most prominent private carriers in the U.S. by total registered power units. Released in April, the FO500 saw many ranking shifts after a busy 2024 of carrier acquisitions, mergers, consolidations, and expansions.
In addition to ranking the largest private fleet operations overall, FleetOwner breaks down these companies into categories based on equipment, cargo types, and industry segments. This media gallery focuses on petroleum fleets.
See also: 2025 FleetOwner 500: Top private manufacturing fleets
Compared to 2024, Nutrien Ag Solutions moved to No. 1 while Halliburton fell to No. 2. Patterson-UTI Energy is new to the top 10 list this year at No. 6; the fleet moved up 254 spots on the 500 list for 2025. Similarly, Love’s Travel Stops/Gemini Motor Transport joined the top 10 list at No. 10 this year; the fleet moved up 80 spots on the 500 list.
To learn more about each private fleet, click through the above media gallery.
