| Drivers | ||||
| NAME | NO. | TEAM | ||
| AJ Allmendinger | 2 | Team Penske | ||
| Marco Andretti | 25 | Andretti Autosport | ||
| Ana Beatriz | 18 | Dale Coyne Racing | ||
| Townsend Bell | 60 | |||
| Sebastien Bourdais | 7 | Dragon Racing | ||
| Ryan Briscoe | 8 | |||
| Ed Carpenter | 20 | Ed Carpenter Racing | ||
| Helio Castroneves | 3 | Team Penske | ||
| Mike Conway | 17 | |||
| Connor Daly | 41 | |||
| Simona De Silvestro | 78 | KV Racing Technology | ||
| Scott Dixon | 9 | Target Chip Ganassi Racing | ||
| Dario Franchitti | 10 | Target Chip Ganassi Racing | ||
| JR Hildebrand | 4 | Panther Racing | ||
| James Hinchcliffe | 27 | Andretti Autosport | ||
| Ryan Hunter-Reay | 1 | Andretti Autosport | ||
| James Jakes | 16 | Rahal Letterman Lanigan Racing | ||
| Tony Kanaan | 11 | KV Racing Technology | ||
| Charlie Kimball | 83 | Novo Nordisk Chip Ganassi Racing | ||
| Buddy Lazier | 91 | |||
| Katherine Legge | 81 | |||
| Pippa Mann | 63 | |||
| Carlos Munoz | 26 | |||
| Josef Newgarden | 67 | Sarah Fisher Hartman Racing | ||
| Simon Pagenaud | 77 | Schmidt-Hamilton Motorsports | ||
| Will Power | 12 | Team Penske | ||
| Graham Rahal | 15 | Rahal Letterman Lanigan Racing | ||
| Sebastian Saavedra | 6 | Dragon Racing | ||
| Takuma Sato | 14 | A.J. Foyt Enterprises | ||
| Oriol Servia | 22 | Panther/Dreyer & Reinbold Racing | ||
| Alex Tagliani | 98 | Bryan Herta Autosport with Curb-Agajanian | ||
| Tristan Vautier | 55 | Schmidt Peterson Motorsports | ||
| E.J. Viso | 5 | Team Venezuela/Andretti Autosport/HVM | ||
| Justin Wilson | 19 | Dale Coyne Racing | ||