| Andretti Green Racing | |
| # 7 Bryan Herta | Dallara Honda |
| #27 Dario Franchitti | Dallara Honda |
| #11 Tony Kanaan | Dallara Honda |
| #26 Dan Wheldon | Dallara Honda |
| Delphi Fernandez Racing | |
| # 8 Scott Sharp | Panoz Honda |
| Super Aguri Fernandez Racing | |
| #55 Kousuke Matsuura | Panoz Honda |
| Rahal Letterman Racing | |
| #15 Buddy Rice | Panoz Honda |
| #16 Danica Patrick | Panoz Honda |
| #17 Vitor Meira | Panoz Honda |
| Dreyer & Reinbold Racing | |
| #24 Roger Yasukawa | Dallara Honda |
