From tires to paint, manufacturing companies rely heavily on their private fleets to transport supplies safely and on time. This 500 list category saw major changes this year, with Quikrete and Cummins skyrocketing through the rankings. 

The 2026 FleetOwner 500: Private list ranks the most prominent private carriers in the U.S. by total registered power units. FleetOwner breaks these fleets down into categories, either by equipment or by the fleet's main cargo type or segment. This media gallery will focus on private manufacturing/processing fleets.

1. Masco/Masco Contractor Services
2. Quikrete Cos. (new entry)
3. General Motors (new entry)
4. Iron Mountain Information Management (down 2 spots)
5. Medline
6. J.R. Simplot (down 3 spots)
7. Sherwin-Williams (down 3 spots)
8. Goodyear Tire & Rubber (down 2 spots)
9. Cummins (down 2 spots)
10. Bayer Crop Science US (down 2 spots)

To learn more about each private fleet, click through the media gallery above. And to request a downloadable copy of the 500 list, please fill out this form.