| Teams 2026 United Rentals 300 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 00 | Haas Factory Team | Sheldon Creed | Chevrolet |
| 1 | JR Motorsports | Carson Kvapil | Chevrolet |
| 2 | Richard Childress Racing | Jesse Love | Chevrolet |
| 02 | Youngs Motorsports | Ryan Ellis | Chevrolet |
| 4 | Alpha Prime Motorsports | Anthony Alfredo | Chevrolet |
| 5 | Hettinger Racing | Luke Fenhaus | Ford |
| 7 | JR Motorsports | Justin Allgaier | Chevrolet |
| 07 | SS Green Light Racing | Josh Bilicki | Chevrolet |
| 8 | JR Motorsports | Sammy Smith | Chevrolet |
| 17 | Hendrick Motorsports | Corey Day | Chevrolet |
| 18 | Joe Gibbs Racing | William Sawalich | Toyota |
| 19 | Joe Gibbs Racing | Giovanni Ruggiero | Toyota |
| 20 | Joe Gibbs Racing | Brandon Jones | Toyota |
| 21 | Richard Childress Racing | Austin Hill | Chevrolet |
| 24 | Sam Hunt Racing | Harrison Burton | Toyota |
| 25 | AM Racing | Nick Sanchez | Ford |
| 26 | Sam Hunt Racing | Dean Thompson | Toyota |
| 27 | Jordan Anderson Racing | Jeb Burton | Chevrolet |
| 28 | RSS Racing | Kyle Sieg | Chevrolet |
| 30 | Barrett-Cope Racing | Carson Ware | Chevrolet |
| 31 | Jordan Anderson Racing | Blaine Perkins | Chevrolet |
| 32 | Jordan Anderson Racing | Jordan Anderson | Chevrolet |
| 35 | Joey Gase Motorsports with Scott Osteen | Natalie Decker | Chevrolet |
| 38 | RSS Racing | Patrick Emerling | Chevrolet |
| 39 | RSS Racing | Ryan Sieg | Chevrolet |
| 41 | Haas Factory Team | Sam Mayer | Chevrolet |
| 42 | Youngs Motorsports | Carson Hocevar | Chevrolet |
| 44 | Alpha Prime Motorsports | Brennan Poole | Chevrolet |
| 45 | Alpha Prime Motorsports | Lavar Scott | Chevrolet |
| 48 | Big Machines Racing | Patrick Staropoli | Chevrolet |
| 51 | Jeremy Clements Racing | Jeremy Clements | Chevrolet |
| 52 | AM Racing | Daniel Dye | Ford |
| 54 | Joe Gibbs Racing | Taylor Gray | Toyota |
| 87 | Peterson Racing | Austin Green | Chevrolet |
| 88 | JR Motorsports | Rajah Caruth | Chevrolet |
| 91 | DGM Racing | Mason Maggio | Chevrolet |
| 92 | DGM Racing | Josh Williams | Chevrolet |
| 99 | Viking Motorsports | Parker Retzlaff | Chevrolet |