| Team | Driver | Car No. | ||
| AFS Racing | Raphael Matos | # 00 | ||
| Andretti Autosport | Marco Andretti | # 26 | ||
| Mike Conway | # 27 | |||
| Danica Patrick | # 7 | |||
| Ryan Hunter-Reay | # 37 | |||
| A.J. Foyt Racing | Vitor Meira | # 14 | ||
| Chip Ganassi Racing | Charlie Kimball | # 83 | ||
| Graham Rahal | # 38 | |||
| Conquest Racing | Sebastian Saavedra | # 34 | ||
| Dale Coyne Racing | Sebastien Bourdais | #19 | ||
| Dreyer & Reinbold Racing | Ana Beatriz | #24 | ||
| Justin Wilson | #22 | |||
| HVM Racing | Simona de Silvestro | # 78 | ||
| KV Racing Technology | Tony Kanaan | # 82 | ||
| Takuma Sato | # 5 | |||
| E.J. Viso | # 8 | |||
| Newman Haas Racing | Oriol Servia | # 02 | ||
| Panther Racing | J.R. Hildebrand | # 4 | ||
| Penske Racing | Ryan Briscoe | # 6 | ||
| Helio Castroneves | # 3 | |||
| Will Power | # 12 | |||
| Target chip Ganassi Racing | Scott Dixon | # 9 | ||
| Dario Franchitti | # 10 | |||
| Sam Schmidt Motorsports | Alex Tagliani | # 77 | ||
