N Equipo – Piloto
2 Raphael Matos (R) – Luczo Dragon Racing
3 Hélio Castroneves – Team Penske
4 Dan Wheldon – Panther Racing
5 Paul Tracy – KV Racing Technology
6 Ryan Briscoe – Team Penske
7 Danica Patrick – Andretti Green Racing 
9 Scott Dixon – Target Chip Ganassi Racing
10 Dario Franchitti – Target Chip Ganassi Racing
11 Tony Kanaan – Andretti Green Racing
13 E. J. Viso – HVM Racing
14 Ryan Hunter-Reay – A. J. Foyt Enterprises
18 Justin Wilson – Dale Coyne Racing
20 Ed Carpenter – Vision Racing
23 Milka Duno – Dreyer & Reinbold Racing
24 Mike Conway (R) – Dreyer & Reinbold Racing
26 Marco Andretti – Andretti Green Racing
27 Hideki Mutoh – Andretti Green Racing
33 Robert Doornbos (R) – HVM Racing
98 Richard Antinucci (R) – CURB / Agajanian / Team 3G
02 Graham Rahal – Newman / Haas / Lanigan Racing
06 Oriol Servia – Newman / Haas / Lanigan Racing