| Teams 2010 Dollar General 300 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Michael Waltrip Racing | Martin Truex, Jr. | Toyota |
| 1 | JD Motorsports | Mike Wallace | Chevrolet |
| 1 | Phoenix Racing | Ryan Newman | Chevrolet |
| 4 | JD Motorsports | Jeremy Clements | Chevrolet |
| 5 | Day Enterprise Racing | David Starr | Chevrolet |
| 6 | Roush Fenway Racing | Ricky Stenhouse, Jr. | Ford |
| 7 | JR Motorsports | Danica Patrick | Chevrolet |
| 9 | RAB Racing | Brian Scott | Ford |
| 10 | Turner Scott Motorsports | James Buescher | Toyota |
| 11 | Turner Scott Motorsports | David Reutimann | Toyota |
| 12 | Team Penske | Justin Allgaier | Dodge |
| 15 | Germain Racing | Michael Annett | Toyota |
| 16 | Roush Fenway Racing | Colin Braun | Ford |
| 17 | Roush Fenway Racing | Trevor Bayne | Ford |
| 18 | Joe Gibbs Racing | Kyle Busch | Toyota |
| 20 | Joe Gibbs Racing | Joey Logano | Toyota |
| 21 | Richard Childress Racing | Clint Bowyer | Chevrolet |
| 22 | Team Penske | Brad Keselowski | Dodge |
| 23 | R3 Motorsports | Robert Richardson, J | Chevrolet |
| 24 | Team Rensi Motorsports | Eric McClure | Ford |
| 25 | Gary Weisbaum | Kelly Bires | Ford |
| 26 | Team Penske | Parker Kligerman | Dodge |
| 27 | Baker Curb Racing | Hermie Sadler | Ford |
| 28 | Jay Robinson Racing | Kenny Wallace | Chevrolet |
| 32 | Turner Scott Motorsports | Reed Sorenson | Toyota |
| 33 | Kevin Harvick Incorporated | Kevin Harvick | Chevrolet |
| 34 | TriStar Motorsports | Tony Raines | Chevrolet |
| 35 | TriStar Motorsports | Jason Keller | Chevrolet |
| 36 | TriStar Motorsports | Jeff Green | Chevrolet |
| 38 | Turner Scott Motorsports | Jason Leffler | Toyota |
| 40 | Key Motorsports | Mike Bliss | Chevrolet |
| 43 | Baker Curb Racing | Josh Wise | Dodge |
| 49 | Jay Robinson Racing | Mark Green | Chevrolet |
| 56 | Mac Hill Motorsports | Kevin Lepage | Toyota |
| 60 | Roush Fenway Racing | Carl Edwards | Ford |
| 62 | Rusty Wallace Racing | Brendan Gaughan | Toyota |
| 66 | Rusty Wallace Racing | Steve Wallace | Toyota |
| 70 | ML Motorsports | Shelby Howard | Chevrolet |
| 81 | MacDonald Motorsports | Michael McDowell | Dodge |
| 87 | NEMCO Motorsports | Joe Nemechek | Chevrolet |
| 88 | JR Motorsports | Aric Almirola | Chevrolet |
| 98 | Roush Fenway Racing | Paul Menard | Ford |
| 99 | Michael Waltrip Racing | Ryan Truex | Toyota |