| Teams 2012 WinStar World Casino 400 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Jennifer Jo Cobb Racing | Chris Lafferty | Dodge |
| 2 | Richard Childress Racing | Brendan Gaughan | Chevrolet |
| 3 | Richard Childress Racing | Ty Dillon | Chevrolet |
| 6 | Sharp-Gallaher Racing | Justin Lofton | Chevrolet |
| 07 | SS Green Light Racing | Johnny Chapman | Toyota |
| 08 | SS Green Light Racing | Ross Chastain | Toyota |
| 9 | RAB Racing | John Wes Townley | Toyota |
| 9 | Joe Denette Racing | Ron Hornaday, Jr. | Chevrolet |
| 10 | Jennifer Jo Cobb Racing | Jennifer Jo Cobb | Dodge |
| 11 | Red Horse Racing | Todd Bodine | Toyota |
| 13 | ThorSport Racing | Johnny Sauter | Toyota |
| 14 | NTS Motorsports | Brandon Miller | Chevrolet |
| 17 | Red Horse Racing | Timothy Peters | Toyota |
| 18 | Kyle Busch Motorsports | Jason Leffler | Toyota |
| 22 | Richard Childress Racing | Joey Coulter | Chevrolet |
| 23 | Pennington Motorsports | Jason White | Ford |
| 24 | Joe Denette Racing | Max Gresham | Chevrolet |
| 27 | Hillman Racing | Brandon Knupp | Chevrolet |
| 29 | Brad Keselowski Racing | Parker Kligerman | Dodge |
| 30 | Turner Scott Motorsports | Nelson Piquet, Jr. | Chevrolet |
| 31 | Turner Scott Motorsports | James Buescher | Chevrolet |
| 32 | Turner Scott Motorsports | Miguel Paludo | Chevrolet |
| 33 | Sharp-Gallaher Racing | Cale Gale | Chevrolet |
| 39 | RSS Racing | Ryan Sieg | Chevrolet |
| 57 | Norm Benning Racing | Norm Benning | Chevrolet |
| 65 | MB Motorsports | Scott Stenzel | Chevrolet |
| 73 | Tagsby Racing | Rick Crawford | Chevrolet |
| 74 | Mike Harmon Racing | Mike Harmon | Chevrolet |
| 81 | Arrington Motorsports | David Starr | Toyota |
| 84 | Chris Fontaine Inc. | B.J. Mcleod | Chevrolet |
| 88 | ThorSport Racing | Matt Crafton | Toyota |
| 93 | RSS Racing | Brent Raymer | Chevrolet |
| 98 | ThorSport Racing | Dakoda Armstrong | Toyota |
| 99 | Team 3 Racing | Bryan Silas | Ford |