| Teams 2004 Aaron's 312 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 00 | Haas CNC Racing | Jason Leffler | Chevrolet |
| 1 | Phoenix Racing | Johnny Benson, Jr. | Dodge |
| 2 | Bryant Stith | Hermie Sadler | Pontiac |
| 2 | Richard Childress Racing | Ron Hornaday, Jr. | Chevrolet |
| 4 | Biagi DenBeste Racing | Mike Wallace | Ford |
| 5 | Hendrick Motorsports | Kyle Busch | Chevrolet |
| 6 | Tommy Baldwin Racing | Tracy Hines | Dodge |
| 8 | Chance 2 Motorsports | Martin Truex, Jr. | Chevrolet |
| 10 | JD Motorsports | Tina Gordon | Chevrolet |
| 12 | FitzBradshaw Racing | Tim Fedewa | Chevrolet |
| 14 | FitzBradshaw Racing | Casey Atwood | Chevrolet |
| 16 | Day Enterprise Racing | Justin Ashburn | Chevrolet |
| 20 | Joe Gibbs Racing | Mike Bliss | Chevrolet |
| 21 | Richard Childress Racing | Clint Bowyer | Chevrolet |
| 22 | ppc Racing | Jason Keller | Ford |
| 23 | Bill Davis Racing | Kenny Wallace | Chevrolet |
| 24 | GIC-Mixon Motorsports | Mike Harmon | Chevrolet |
| 25 | Team Rensi Motorsports | Bobby Hamilton, Jr. | Ford |
| 27 | Brewco Motorsports | Johnny Sauter | Chevrolet |
| 33 | Andy Petree Racing | Paul Menard | Chevrolet |
| 36 | DCT Motorsports | Steve Grissom | Chevrolet |
| 37 | Brewco Motorsports | David Green | Chevrolet |
| 38 | Akins Motorsports | Kasey Kahne | Dodge |
| 39 | Jay Robinson Racing | Jimmy Kitchens | Ford |
| 46 | Lewis Motorsports | Ashton Lewis | Chevrolet |
| 47 | Frank Schwantz | Robert Pressley | Ford |
| 49 | Jay Robinson Racing | Derrike Cope | Ford |
| 51 | Rick Ware Racing | Kim Crosby | Dodge |
| 55 | Robby Gordon Motorsports | Robby Gordon | Chevrolet |
| 59 | Frank Schwantz | Stacy Compton | Ford |
| 60 | Roush Racing | Greg Biffle | Ford |
| 67 | Smith Brothers Racing | C.W. Smith | Chevrolet |
| 72 | MacDonald Motorsports | Randy MacDonald | Chevrolet |
| 74 | BACE Motorsports | Tony Raines | Chevrolet |
| 77 | Moy Racing | Donnie Neuenberger | Ford |
| 81 | Chance 2 Motorsports | Dale Earnhardt, Jr. | Chevrolet |
| 87 | NEMCO Motorsports | Joe Nemechek | Chevrolet |
| 88 | NEMCO Motorsports | Jeff Fuller | Chevrolet |
| 95 | Sadler Brothers Racing | David Keith | Ford |
| 99 | Michael Waltrip Racing | Michael Waltrip | Chevrolet |
| 127 | Markle Motorsports | Rick Markle | Chevrolet |
| 127 | Braun Motorsports | David Stremme | Dodge |
| 127 | S.W.A.T. Racing | Larry Hollenbeck | Chevrolet |