| Teams 2003 John Boy and Billy 250 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | McGlynn Racing | Ryan McGlynn | Chevrolet |
| 1 | Fans Racing | Lance Hooper | Ford |
| 1 | Ultra Motorsports | Ted Musgrave | Dodge |
| 2 | Ultra Motorsports | Andy Houston | Dodge |
| 4 | Bobby Hamilton Racing | Bobby Hamilton | Dodge |
| 5 | Rick Ware Racing | Jerry Hill | Dodge |
| 07 | SS Green Light Racing | Bobby Dotter | Chevrolet |
| 08 | SS Green Light Racing | Jody Lavender | Chevrolet |
| 8 | Bobby Hamilton Racing | Bill Lester | Dodge |
| 11 | Xpress Motorsports | Clay Brown | Chevrolet |
| 13 | RT Motorsports | Ron Polodna | Chevrolet |
| 14 | Circle Bar Racing | Rick Crawford | Ford |
| 15 | Billy Ballew Motorsports | Rich Bickle | Ford |
| 16 | Xpress Motorsports | Travis Kvapil | Chevrolet |
| 18 | Bobby Hamilton Racing | Chad Chaffin | Dodge |
| 23 | Team 23 Racing | Jamie Aube | Chevrolet |
| 29 | K-Automotive Performance | Terry Cook | Ford |
| 31 | Brevak Racing | Tommy Pistone | Ford |
| 33 | Andy Petree Racing | Paul Menard | Chevrolet |
| 46 | Morgan Dollar Motorsports | Dennis Setzer | Chevrolet |
| 47 | Sands Racing | Scotty Sands | Dodge |
| 50 | Roush Racing | Jon Wood | Ford |
| 59 | HT Motorsports | Robert Pressley | Dodge |
| 62 | Orleans Racing | Brendan Gaughan | Dodge |
| 68 | MRD Motorsports | Jay Godley | Chevrolet |
| 72 | MacDonald Motorsports | Randy MacDonald | Chevrolet |
| 73 | Craig Wood | Craig Wood | Ford |
| 75 | Spears Motorsports | David Starr | Chevrolet |
| 78 | Bradberry Motorsports | Charlie Bradberry | Chevrolet |
| 82 | Kevin Jones | Gilbert King | Chevrolet |
| 84 | Long Brothers Racing | Nick Woodward | Ford |
| 86 | Team Racing | Phil Bonifield | Chevrolet |
| 88 | ThorSport Racing | Matt Crafton | Chevrolet |
| 93 | Troxell Racing | Roland Isaacs | Chevrolet |
| 93 | Troxell Racing | Stuart Kirby | Chevrolet |
| 99 | Roush Racing | Carl Edwards | Ford |