| Teams 2013 STP 300 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | SR2 Motorsports | Ken Butler III | Toyota |
| 1 | JD Motorsports | Mike Wallace | Chevrolet |
| 2 | Richard Childress Racing | Brian Scott | Chevrolet |
| 3 | Richard Childress Racing | Austin Dillon | Chevrolet |
| 4 | JD Motorsports | Landon Cassill | Chevrolet |
| 5 | JR Motorsports | Brad Sweet | Chevrolet |
| 6 | Roush Fenway Racing | Trevor Bayne | Ford |
| 7 | JR Motorsports | Regan Smith | Chevrolet |
| 10 | TriStar Motorsports | Jeff Green | Toyota |
| 11 | Joe Gibbs Racing | Elliott Sadler | Toyota |
| 12 | Team Penske | Sam Hornish, Jr. | Ford |
| 14 | TriStar Motorsports | Eric McClure | Toyota |
| 15 | Rick Ware Racing | Carl Long | Ford |
| 17 | Vision Racing | Tanner Berryhill | Toyota |
| 19 | TriStar Motorsports | Mike Bliss | Toyota |
| 20 | Joe Gibbs Racing | Brian Vickers | Toyota |
| 21 | Richard Childress Racing | Dakoda Armstrong | Chevrolet |
| 22 | Team Penske | Joey Logano | Ford |
| 23 | Rick Ware Racing | Harrison Rhodes | Ford |
| 24 | SR2 Motorsports | Blake Koch | Toyota |
| 30 | Turner Scott Motorsports | Nelson Piquet, Jr. | Chevrolet |
| 31 | Turner Scott Motorsports | Justin Allgaier | Chevrolet |
| 32 | Turner Scott Motorsports | Kyle Larson | Chevrolet |
| 33 | Richard Childress Racing | Matt Crafton | Chevrolet |
| 37 | Vision Racing | Matt DiBenedetto | Dodge |
| 40 | Key Motorsports | Reed Sorenson | Chevrolet |
| 42 | Key Motorsports | T.J. Bell | Chevrolet |
| 43 | Richard Petty Motorsports | Michael Annett | Ford |
| 44 | TriStar Motorsports | Chad Hackenbracht | Toyota |
| 51 | Jeremy Clements Racing | Jeremy Clements | Chevrolet |
| 52 | Jimmy Means Racing | Joey Gase | Toyota |
| 54 | Joe Gibbs Racing | Joey Coulter | Toyota |
| 60 | Roush Fenway Racing | Travis Pastrana | Ford |
| 70 | ML Motorsports | Johanna Long | Chevrolet |
| 74 | Mike Harmon Racing | Kevin Lepage | Chevrolet |
| 77 | Kyle Busch Motorsports | Parker Kligerman | Toyota |
| 79 | Go Green Racing | Kyle Fowler | Ford |
| 87 | NEMCO Motorsports | Joe Nemechek | Toyota |
| 92 | KH Motorsports | Dexter Stacey | Ford |
| 99 | RAB Racing | Alex Bowman | Toyota |