| Teams 2012 AAA Texas 500 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 1 | Earnhardt Ganassi Racing | Jamie McMurray | Chevrolet |
| 2 | Team Penske | Brad Keselowski | Dodge |
| 5 | Hendrick Motorsports | Kasey Kahne | Chevrolet |
| 9 | Richard Petty Motorsports | Marcos Ambrose | Ford |
| 10 | Tommy Baldwin Racing | Danica Patrick | Chevrolet |
| 11 | Joe Gibbs Racing | Denny Hamlin | Toyota |
| 13 | Germain Racing | Casey Mears | Ford |
| 14 | Stewart Haas Racing | Tony Stewart | Chevrolet |
| 15 | Michael Waltrip Racing | Clint Bowyer | Toyota |
| 16 | Roush Fenway Racing | Greg Biffle | Ford |
| 17 | Roush Fenway Racing | Matt Kenseth | Ford |
| 18 | Joe Gibbs Racing | Kyle Busch | Toyota |
| 19 | TriStar Motorsports | Mike Bliss | Toyota |
| 20 | Joe Gibbs Racing | Joey Logano | Toyota |
| 21 | Wood Brothers Racing | Trevor Bayne | Ford |
| 22 | Team Penske | Sam Hornish, Jr. | Dodge |
| 24 | Hendrick Motorsports | Jeff Gordon | Chevrolet |
| 26 | Front Row Motorsports | Josh Wise | Ford |
| 27 | Richard Childress Racing | Paul Menard | Chevrolet |
| 29 | Richard Childress Racing | Kevin Harvick | Chevrolet |
| 31 | Richard Childress Racing | Jeff Burton | Chevrolet |
| 32 | Go Fas Racing | Ken Schrader | Ford |
| 34 | Front Row Motorsports | David Ragan | Ford |
| 36 | Tommy Baldwin Racing | Dave Blaney | Chevrolet |
| 37 | Max Q Motorsports | J.J. Yeley | Chevrolet |
| 38 | Front Row Motorsports | David Gilliland | Ford |
| 39 | Stewart Haas Racing | Ryan Newman | Chevrolet |
| 42 | Earnhardt Ganassi Racing | Juan Pablo Montoya | Chevrolet |
| 43 | Richard Petty Motorsports | Aric Almirola | Ford |
| 47 | JTG Daughtery Racing | Bobby Labonte | Toyota |
| 48 | Hendrick Motorsports | Jimmie Johnson | Chevrolet |
| 51 | Phoenix Racing | AJ Allmendinger | Chevrolet |
| 55 | Michael Waltrip Racing | Mark Martin | Toyota |
| 56 | Michael Waltrip Racing | Martin Truex, Jr. | Toyota |
| 78 | Furniture Row Racing | Kurt Busch | Chevrolet |
| 83 | BK Racing | Landon Cassill | Toyota |
| 87 | NEMCO Motorsports | Joe Nemechek | Toyota |
| 88 | Hendrick Motorsports | Dale Earnhardt, Jr. | Chevrolet |
| 91 | TriStar Motorsports | Reed Sorenson | Toyota |
| 93 | BK Racing | Travis Kvapil | Toyota |
| 95 | Leavine Family Racing | Scott Speed | Ford |
| 98 | Phil Parsons Racing | Michael McDowell | Ford |
| 99 | Roush Fenway Racing | Carl Edwards | Ford |