| Teams 2007 Sam's Town 300 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | JD Motorsports | Eric McClure | Chevrolet |
| 1 | Phoenix Racing | J.J. Yeley | Chevrolet |
| 2 | Richard Childress Racing | Clint Bowyer | Chevrolet |
| 4 | Ginn Racing | Regan Smith | Chevrolet |
| 5 | Hendrick Motorsports | Kyle Busch | Chevrolet |
| 6 | Roush Fenway Racing | David Ragan | Ford |
| 7 | Phoenix Racing | Mike Wallace | Chevrolet |
| 9 | Evernham Motorsports | Kasey Kahne | Dodge |
| 10 | Braun Motorsports | Dave Blaney | Toyota |
| 12 | Team Penske | Kurt Busch | Dodge |
| 14 | Carl Haas | Kyle Krisiloff | Ford |
| 15 | Dale Earnhardt Inc. | Paul Menard | Chevrolet |
| 16 | Roush Fenway Racing | Greg Biffle | Ford |
| 17 | Roush Fenway Racing | Matt Kenseth | Ford |
| 18 | Joe Gibbs Racing | Brad Coleman | Chevrolet |
| 20 | Joe Gibbs Racing | Denny Hamlin | Chevrolet |
| 21 | Richard Childress Racing | Kevin Harvick | Chevrolet |
| 22 | Fitz Motorsports | David Stremme | Dodge |
| 23 | Keith Coleman Racing | Brad Keselowski | Chevrolet |
| 24 | Hendrick Motorsports | Casey Mears | Chevrolet |
| 25 | Team Rensi Motorsports | David Gilliland | Ford |
| 27 | Brewco Motorsports | Ward Burton | Ford |
| 28 | Jay Robinson Racing | Jeff Green | Chevrolet |
| 29 | Richard Childress Racing | Jeff Burton | Chevrolet |
| 33 | Kevin Harvick Incorporated | Tony Stewart | Chevrolet |
| 34 | Frank Cicci Racing | Jay Sauter | Chevrolet |
| 35 | Gary Weisbaum | Bobby Hamilton, Jr. | Ford |
| 36 | McGill Motorsports | Brent Sherman | Chevrolet |
| 37 | Brewco Motorsports | Jamie McMurray | Ford |
| 38 | Braun Motorsports | Jason Leffler | Toyota |
| 41 | Chip Ganassi Racing | Reed Sorenson | Dodge |
| 42 | Chip Ganassi Racing | Juan Pablo Montoya | Dodge |
| 47 | Frank Schwantz | Jon Wood | Ford |
| 59 | Frank Schwantz | Marcos Ambrose | Ford |
| 60 | Roush Fenway Racing | Carl Edwards | Ford |
| 66 | Rusty Wallace Racing | Steve Wallace | Dodge |
| 70 | ML Motorsports | Justin Diercks | Chevrolet |
| 77 | Kevin Harvick Incorporated | Bobby Labonte | Chevrolet |
| 85 | Dan Kinney | Brett Rowe | Chevrolet |
| 87 | NEMCO Motorsports | Joe Nemechek | Chevrolet |
| 88 | JR Motorsports | Shane Huffman | Chevrolet |
| 90 | Yates Racing | Stephen Leicht | Ford |
| 99 | Michael Waltrip Racing | David Reutimann | Toyota |