| Teams 2015 WinStar World Casino 350 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Jennifer Jo Cobb Racing | Caleb Roark | Chevrolet |
| 0 | JR Motorsports | Jeb Burton | Chevrolet |
| 1 | Beaver Motosports | Travis Kvapil | Chevrolet |
| 02 | Youngs Motorsports | Tyler Young | Chevrolet |
| 4 | Kyle Busch Motorsports | Erik Jones | Toyota |
| 5 | Athenian Motorsports | John Wes Townley | Chevrolet |
| 6 | Norm Benning Racing | Norm Benning | Chevrolet |
| 07 | SS Green Light Racing | Ray Black, Jr. | Chevrolet |
| 8 | NEMCO Motorsports | John Hunter Nemechek | Chevrolet |
| 8 | Christopher Long | Korbin Forrister | Chevrolet |
| 10 | Jennifer Jo Cobb Racing | Jennifer Jo Cobb | Chevrolet |
| 11 | Red Horse Racing | Ben Kennedy | Toyota |
| 13 | ThorSport Racing | Cameron Hayley | Toyota |
| 14 | NTS Motorsports | Daniel Hemric | Chevrolet |
| 15 | Billy Boat Motorsports | Mason Mingus | Chevrolet |
| 17 | Red Horse Racing | Timothy Peters | Toyota |
| 19 | Brad Keselowski Racing | Tyler Reddick | Ford |
| 23 | GMS Racing | Spencer Gallagher | Chevrolet |
| 29 | Brad Keselowski Racing | Ryan Blaney | Ford |
| 33 | GMS Racing | Brandon Jones | Chevrolet |
| 36 | MB Motorsports | Tyler Tanner | Chevrolet |
| 45 | Peck Motorsports | Todd Peck | Chevrolet |
| 49 | Mike Harmon Racing | Mike Harmon | Chevrolet |
| 50 | Beaver Motosports | Dexter Stacey | Chevrolet |
| 51 | Kyle Busch Motorsports | Daniel Suarez | Toyota |
| 54 | Kyle Busch Motorsports | Christopher Bell | Toyota |
| 63 | MB Motorsports | Justin Jennings | Chevrolet |
| 74 | Mike Harmon Racing | Jordan Anderson | Chevrolet |
| 88 | ThorSport Racing | Matt Crafton | Toyota |
| 94 | Jay Robinson Racing | Timmy Hill | Chevrolet |
| 97 | Team Little Racing | Jesse Little | Toyota |
| 98 | ThorSport Racing | Johnny Sauter | Toyota |