| Car No. | Driver | Team | ||
| # 26 | Marco Andretti | Andretti Autosport | ||
| # 11 | Tony Kanaan | Andretti Autosport | ||
| # 7 | Danica Patrick | Andretti Autosport | ||
| # 37 | Ryan Hunter-Reay | Andretti Autosport | ||
| # 14 | Vitor Meira | A. J. Foyt Racing | ||
| # 34 | Bertrand Baguette | Conquest Racing | ||
| # 36 | Mario Romancini | Conquest Racing | ||
| # 6 | Milka Duno | Dale Coyne Racing | ||
| # 11 | Alex Lloyd | Dale Coyne Racing | ||
| # 24 | Mike Conway | Dreyer Reinbold Racing | ||
| # 22 | Justin Wilson | Dreyer Reinbold Racing | ||
| # 77 | Alex Tagliani | FAZZT Racing | ||
| # 33 | Simona de Silvestro | HVM Racing | ||
| # 32 | Mario Moraes | KV Racing Technology | ||
| # 5 | Takuma Sato | KV Racing Technology | ||
| # 8 | E.J. Viso | KV Racing Technology | ||
| # 2 | Raphael Matos | de Ferran Dragon Racing | ||
| # 6 | Hideki Mutoh | Newman Haas Racing | ||
| # 1 | Graham Rahal | Newman Haas Racing | ||
| # 4 | Dan Wheldon | Panther Racing | ||
| # 10 | Scott Dixon | Target Chip Ganassi | ||
| # 9 | Dario Franchitti | Target Chip Ganassi | ||
| # 6 | Ryan Briscoe | Team Penske | ||
| # 3 | Helio Castroneves | Team Penske | ||
| # 12 | Will Power | Team Penske | ||
