| Teams 2004 Siemens 200 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 00 | Haas CNC Racing | Jason Leffler | Chevrolet |
| 1 | Phoenix Racing | Casey Mears | Dodge |
| 2 | Richard Childress Racing | Ron Hornaday, Jr. | Chevrolet |
| 2 | Bryant Stith | Hermie Sadler | Chevrolet |
| 4 | Biagi DenBeste Racing | Mike Wallace | Ford |
| 5 | Hendrick Motorsports | Kyle Busch | Chevrolet |
| 6 | Tommy Baldwin Racing | Paul Wolfe | Dodge |
| 7 | Moy Racing | Carl Long | Ford |
| 8 | Chance 2 Motorsports | Martin Truex, Jr. | Chevrolet |
| 10 | JD Motorsports | Gus Wasson | Chevrolet |
| 12 | FitzBradshaw Racing | Tim Fedewa | Chevrolet |
| 14 | FitzBradshaw Racing | Casey Atwood | Chevrolet |
| 17 | Reiser Enterprises | Matt Kenseth | Ford |
| 20 | Joe Gibbs Racing | Mike Bliss | Chevrolet |
| 21 | Richard Childress Racing | Kevin Harvick | Chevrolet |
| 22 | ppc Racing | Jason Keller | Ford |
| 23 | Bill Davis Racing | Kenny Wallace | Chevrolet |
| 24 | GIC-Mixon Motorsports | Steve Grissom | Chevrolet |
| 25 | Team Rensi Motorsports | Bobby Hamilton, Jr. | Ford |
| 27 | Brewco Motorsports | Johnny Sauter | Chevrolet |
| 31 | Ted Marsh | Todd Bodine | Ford |
| 37 | Brewco Motorsports | David Green | Pontiac |
| 38 | Akins Motorsports | Kasey Kahne | Dodge |
| 39 | Jay Robinson Racing | Tina Gordon | Ford |
| 44 | Labonte Motorsports | Justin Labonte | Dodge |
| 46 | Lewis Motorsports | Ashton Lewis | Chevrolet |
| 47 | Frank Schwantz | Robert Pressley | Ford |
| 49 | Jay Robinson Racing | Derrike Cope | Ford |
| 51 | Rick Ware Racing | Stan Boyd | Dodge |
| 52 | Jimmy Means Racing | Brad Teague | Ford |
| 59 | Frank Schwantz | Stacy Compton | Ford |
| 60 | Roush Racing | Greg Biffle | Ford |
| 66 | Rusty Wallace Racing | Jamie McMurray | Dodge |
| 72 | MacDonald Motorsports | Kevin Lepage | Chevrolet |
| 77 | Moy Racing | Jimmy Kitchens | Ford |
| 87 | NEMCO Motorsports | Joe Nemechek | Chevrolet |
| 88 | NEMCO Motorsports | Jeff Fuller | Chevrolet |
| 91 | Stanton Barrett Motorsports | Stanton Barrett | Pontiac |
| 97 | Terry Allen | Josh Richeson | Chevrolet |
| 111 | Dale Earnhardt Inc. | Paul Menard | Chevrolet |
| 127 | Braun Motorsports | David Stremme | Dodge |
| 127 | Kobyluck Enterprises | Matt Kobyluck | Chevrolet |
| 127 | Jay Robinson Racing | Mark Green | Ford |