| Teams 2003 New Hampshire 200 |
|---|
| 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 | Jimmy Spencer | Dodge |
| 2 | Sutton Racing | Kelly Sutton | Chevrolet |
| 3 | Team EJP Racing | Eric Jones | Chevrolet |
| 4 | Bobby Hamilton Racing | Bobby Hamilton | Dodge |
| 5 | Rick Ware Racing | Jerry Hill | Dodge |
| 7 | Ultra Motorsports | Stuart Kirby | Dodge |
| 07 | SS Green Light Racing | Bobby Dotter | Chevrolet |
| 08 | SS Green Light Racing | Shane Sieg | Chevrolet |
| 8 | Bobby Hamilton Racing | Bill Lester | Dodge |
| 9 | Arne Mahlik | Doug Mahlik | Chevrolet |
| 9 | Fasscore Motorsports | Kenny Hendrick | Ford |
| 14 | Circle Bar Racing | Rick Crawford | Ford |
| 15 | Billy Ballew Motorsports | Robby Benton | Ford |
| 16 | Xpress Motorsports | Travis Kvapil | Chevrolet |
| 18 | Bobby Hamilton Racing | Chad Chaffin | Dodge |
| 21 | Shepherd Racing Ventures | Morgan Shepherd | Ford |
| 23 | Team 23 Racing | Phil Bonifield | Chevrolet |
| 29 | K-Automotive Performance | Terry Cook | Ford |
| 46 | Morgan Dollar Motorsports | Dennis Setzer | Chevrolet |
| 50 | Roush Racing | Jon Wood | Ford |
| 51 | Rick Ware Racing | Carl Long | Dodge |
| 52 | Ken Schrader Racing | Ken Schrader | Chevrolet |
| 59 | HT Motorsports | Robert Pressley | Dodge |
| 62 | Orleans Racing | Brendan Gaughan | Dodge |
| 72 | MacDonald Motorsports | Randy MacDonald | Chevrolet |
| 75 | Spears Motorsports | David Starr | Chevrolet |
| 86 | Team Racing | Jamie Aube | Chevrolet |
| 88 | ThorSport Racing | Matt Crafton | Chevrolet |
| 91 | Stellar-Quest Racing | J.C. Stout | Chevrolet |
| 93 | Troxell Racing | Roland Isaacs | Chevrolet |
| 97 | Ken Hunt | Jason York | Chevrolet |
| 98 | Scott Williams | Jarod Robie | Chevrolet |
| 99 | Roush Racing | Carl Edwards | Ford |