| Teams 2001 OSH 250 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 1 | Ultra Motorsports | Ted Musgrave | Dodge |
| 2 | Ultra Motorsports | Scott Riggs | Dodge |
| 2 | Roadrunner Motorsports | Jim Inglebright | Chevrolet |
| 3 | Team Menard | Bryan Reffner | Chevrolet |
| 8 | Bobby Hamilton Racing | Willy T. Ribbs | Dodge |
| 08 | SS Green Light Racing | Bobby Dotter | Chevrolet |
| 9 | Rapter Performance Motorsports | Lance Hooper | Ford |
| 14 | Circle Bar Racing | Rick Crawford | Ford |
| 16 | Team Rensi Motorsports | David Donohue | Chevrolet |
| 17 | Hendrick Motorsports | Ricky Hendrick | Chevrolet |
| 18 | Bobby Hamilton Racing | Joe Ruttman | Dodge |
| 20 | Joe Gibbs Racing | Coy Gibbs | Chevrolet |
| 23 | Team 23 Racing | Loni Richardson | Chevrolet |
| 24 | Hendrick Motorsports | Jack Sprague | Chevrolet |
| 29 | K-Automotive Performance | Terry Cook | Ford |
| 43 | Petty Enterprises | Carlos Contreras | Dodge |
| 46 | Dollar Racing | Dennis Setzer | Chevrolet |
| 50 | Roush Racing | Chuck Hossfeld | Ford |
| 51 | Rick Ware Racing | Jonathon Price | Chevrolet |
| 55 | Powers Motorsports | Tom Powers | Dodge |
| 60 | Addington Racing | Travis Kvapil | Chevrolet |
| 61 | Team Rensi Motorsports | Randy Tolsma | Chevrolet |
| 62 | McAnally Hilgemann Racing | Brendan Gaughan | Chevrolet |
| 63 | MB Motorsports | Larry Gunselman | Ford |
| 66 | Phelon Motorsports | Rick Carelli | Chevrolet |
| 70 | Jim Mills | Jim Mills | Chevrolet |
| 71 | Jim Mills | Morris Coffman | Chevrolet |
| 72 | MacDonald Motorsports | Steve Portenga | Chevrolet |
| 73 | Sonntag Racing | Jason Small | Chevrolet |
| 75 | Spears Motorsports | Billy Bigley, Jr. | Chevrolet |
| 81 | Rick Ware Racing | Nathan Buttke | Chevrolet |
| 85 | Milan Garrett | Milan Garrett | Ford |
| 86 | Impact Motorsports | Jason White | Ford |
| 88 | ThorSport Racing | Matt Crafton | Chevrolet |
| 90 | L & R Motorsports | Lance Norick | Chevrolet |
| 99 | Roush Racing | Nathan Haseleu | Ford |