| Pilotos | ||||
| Nombre | Nº | Equipo | ||
| Josef Newgarden | 1 | Team Penske | ||
| Felix Rosenqvist | 10 | Chip Ganassi Racing | ||
| Will Power | 12 | Team Penske | ||
| Tony Kanaan | 14 | A.J. Foyt Enterprises | ||
| Sebastien Bourdais | 14 | A.J. Foyt Enterprises | ||
| Dalton Kellett | 41 | A.J. Foyt Enterprises | ||
| Graham Rahal | 15 | Rahal Letterman Lanigan Racing | ||
| Santino Ferrucci | 18 | Dale Coyne Racing | ||
| Ed Carpenter | 20 | Ed Carpenter Racing | ||
| Conor Daly | 20 | Ed Carpenter Racing | ||
| Rinus VeeKay | 21 | Ed Carpenter Racing | ||
| Simon Pagenaud | 22 | Team Penske | ||
| Sage Karam | 24 | Dreyer & Reinbold Racing | ||
| James Hinchcliffe | 26 | Andretti Autosport | ||
| Zach Veach | 26 | Andretti Autosport | ||
| Alexander Rossi | 27 | Andretti Autosport | ||
| Ryan Hunter-Reay | 28 | Andretti Autosport | ||
| Helio Castroneves | 7 | Schmidt Peterson Motorsports | ||
| Takuma Sato | 30 | |||
| Charlie Kimball | 4 | A.J. Foyt Enterprises | ||
| Spencer Pigot | 45 | |||
| Pato O'Ward | 5 | Schmidt Peterson Motorsports | ||
| James Davison | 51 | |||
| Alex Palou | 55 | |||
| Max Chilton | 59 | |||
| Jack Harvey | 60 | |||
| Fernando Alonso | 66 | |||
| JR Hildebrand | 67 | |||
| Oliver Askew | 7 | Schmidt Peterson Motorsports | ||
| Marcus Ericsson | 8 | Chip Ganassi Racing | ||
| Ben Hanley | 81 | |||
| Colton Herta | 88 | Dale Coyne Racing | ||
| Scott Dixon | 9 | Chip Ganassi Racing | ||
| Marco Andretti | 98 | Andretti Autosport | ||