| Pilotos | ||||
| Nombre | Nº | Equipo | ||
| Felix Rosenqvist | 10 | Chip Ganassi Racing | ||
| Will Power | 12 | Team Penske | ||
| Tony Kanaan | 10 | Chip Ganassi Racing | ||
| Graham Rahal | 15 | Rahal Letterman Lanigan Racing | ||
| Sebastien Bourdais | 18 | Dale Coyne Racing | ||
| Santino Ferrucci | 19 | Dale Coyne Racing | ||
| Josef Newgarden | 2 | Team Penske | ||
| Ed Carpenter | 20 | Ed Carpenter Racing | ||
| Ed Jones | 19 | Dale Coyne Racing | ||
| Spencer Pigot | 20 | Ed Carpenter Racing | ||
| Simon Pagenaud | 1 | Team Penske | ||
| Charlie Kimball | 83 | Chip Ganassi Racing | ||
| Sage Karam | 24 | Dreyer & Reinbold Racing | ||
| Conor Daly | 4 | A.J. Foyt Enterprises | ||
| Zach Veach | 26 | Andretti Autosport | ||
| Alexander Rossi | 98 | Andretti Autosport | ||
| Ryan Hunter-Reay | 28 | Andretti Autosport | ||
| Helio Castroneves | 3 | Team Penske | ||
| Takuma Sato | 26 | Andretti Autosport | ||
| Patricio O'Ward | 31 | |||
| Kyle Kaiser | 32 | |||
| James Davison | 33 | |||
| Pippa Mann | 39 | |||
| Matheus Leist | 4 | A.J. Foyt Enterprises | ||
| Jordan King | 42 | |||
| JR Hildebrand | 21 | Ed Carpenter Racing | ||
| James Hinchcliffe | 5 | Schmidt Peterson Motorsports | ||
| Max Chilton | 8 | Chip Ganassi Racing | ||
| Jack Harvey | 60 | |||
| Fernando Alonso | 66 | |||
| Marcus Ericsson | 7 | Schmidt Peterson Motorsports | ||
| Oriol Servia | 77 | |||
| Ben Hanley | 81 | |||
| Colton Herta | 88 | Dale Coyne Racing | ||
| Scott Dixon | 9 | Chip Ganassi Racing | ||
| Marco Andretti | 27 | Andretti Autosport | ||