| Teams 2007 Sam's Town 400K |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Darrell Waltrip Motorsports | Josh Wise | Toyota |
| 1 | Red Horse Racing | Aaron Fike | Toyota |
| 4 | Bobby Hamilton Racing | Joe Ruttman | Dodge |
| 5 | Bill Davis Racing | Mike Skinner | Toyota |
| 6 | SS Green Light Racing | Blake Mallory | Chevrolet |
| 6 | SS Green Light Racing | Brandon Knupp | Chevrolet |
| 6 | Roush Fenway Racing | Travis Kvapil | Ford |
| 7 | Pennington Motorsports | Jason White | Chevrolet |
| 07 | SS Green Light Racing | Tim Sauter | Chevrolet |
| 07 | SS Green Light Racing | Eric Norris | Chevrolet |
| 8 | MRD Motorsports | Blake Bjorklund | Chevrolet |
| 9 | Germain Racing | Ted Musgrave | Toyota |
| 9 | Frank Schwantz | Joey Clanton | Ford |
| 10 | Circle Bar Racing | David Starr | Ford |
| 13 | ThorSport Racing | Willie Allen | Chevrolet |
| 14 | Circle Bar Racing | Rick Crawford | Ford |
| 15 | Billy Ballew Motorsports | Bill Lester | Chevrolet |
| 16 | Xpress Motorsports | Derrike Cope | Ford |
| 18 | Bobby Hamilton Racing | Ken Schrader | Dodge |
| 21 | Wood Brothers Racing | Stacy Compton | Ford |
| 23 | Bill Davis Racing | Johnny Benson, Jr. | Toyota |
| 30 | Germain Racing | Todd Bodine | Toyota |
| 33 | Kevin Harvick Incorporated | Ron Hornaday, Jr. | Chevrolet |
| 36 | Bill Davis Racing | Ryan Mathews | Toyota |
| 40 | Key Motorsports | Clay Rogers | Chevrolet |
| 47 | Dollar Racing | Kraig Kinser | Chevrolet |
| 50 | Roush Fenway Racing | T.J. Bell | Ford |
| 51 | Billy Ballew Motorsports | Kelly Sutton | Chevrolet |
| 59 | HT Motorsports | Terry Cook | Toyota |
| 60 | Wyler Racing | Jack Sprague | Toyota |
| 75 | Spears Motorsports | Dennis Setzer | Chevrolet |
| 76 | Jeff Millburn Racing | Chris Wimmer | Chevrolet |
| 77 | Orleans Racing | Brendan Gaughan | Chevrolet |
| 88 | ThorSport Racing | Matt Crafton | Chevrolet |
| 99 | Roush Fenway Racing | Erik Darnell | Ford |