| Teams 2005 OReilly 200 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 1 | Ultra Motorsports | Ted Musgrave | Dodge |
| 2 | Ultra Motorsports | Jimmy Spencer | Dodge |
| 4 | Bobby Hamilton Racing | Timothy Peters | Dodge |
| 4 | Bobby Hamilton Racing | Bobby Hamilton | Dodge |
| 5 | Bill Davis Racing | Mike Skinner | Toyota |
| 6 | Kevin Harvick Incorporated | Ron Hornaday, Jr. | Chevrolet |
| 6 | MRD Motorsports | Mike Bliss | Chevrolet |
| 07 | SS Green Light Racing | Chris Wimmer | Chevrolet |
| 8 | Ray Montgomery | Deborah Renshaw | Dodge |
| 08 | SS Green Light Racing | Bill Manfull | Ford |
| 10 | ppc Racing | Terry Cook | Ford |
| 12 | Darrell Waltrip Motorsports | Mike Wallace | Toyota |
| 13 | ThorSport Racing | Tracy Hines | Chevrolet |
| 14 | Circle Bar Racing | Rick Crawford | Ford |
| 15 | Billy Ballew Motorsports | Kyle Busch | Chevrolet |
| 16 | Xpress Motorsports | Jack Sprague | Chevrolet |
| 17 | Darrell Waltrip Motorsports | David Reutimann | Toyota |
| 18 | Bobby Hamilton Racing | Chase Montgomery | Dodge |
| 22 | Bill Davis Racing | Bill Lester | Toyota |
| 23 | Bill Davis Racing | Johnny Benson, Jr. | Toyota |
| 29 | K-Automotive Performance | Brad Keselowski | Ford |
| 30 | Germain Racing | Todd Bodine | Toyota |
| 31 | Brevak Racing | Nick Tucker | Dodge |
| 38 | Red Horse Racing | Brandon Whitt | Toyota |
| 40 | Key Motorsports | Andy Houston | Chevrolet |
| 46 | Dollar Racing | Dennis Setzer | Chevrolet |
| 50 | Roush Racing | Todd Kluever | Ford |
| 52 | Ken Schrader Racing | Ken Schrader | Chevrolet |
| 59 | HT Motorsports | Robert Pressley | Dodge |
| 60 | Wyler Racing | Chad Chaffin | Toyota |
| 62 | Orleans Racing | Steve Park | Dodge |
| 65 | Glynn Motorsports | Tim Fedewa | Dodge |
| 75 | Spears Motorsports | David Starr | Chevrolet |
| 77 | Orleans Racing | Brendan Gaughan | Dodge |
| 88 | ThorSport Racing | Matt Crafton | Chevrolet |
| 99 | Roush Racing | Ricky Craven | Ford |