| Team | Engine | No. | Nationality | Driver | Rounds |
|---|---|---|---|---|---|
| A.J Foyt Enterprises | Chevrolet | 14 55 | Santino Ferrucci Sting Ray Robb | All All |
|
| Andretti Global | Honda | 26 27 28 98 | Colton Herta Kyle Kirkwood Marcus Ericsson Marco Andretti | All All All Indy 500 |
|
| Arrow McLaren SP | Chevrolet | 5 6 7 17 | Pato O'Ward David Malukas Alexander Rossi Kyle Larson | All All All Indy 500 |
|
| Chip Ganassi Racing | Honda | 8 9 10 11 4 | Linus Lundqvist Scott Dixon Alex Palou Marcus Armstrong Kyffin Simpson | All All All All All |
|
| Dale Coyne Racing | Honda | 18 18 51 | Jack Harvey Nolan Siegel Colin Braun | 14 Rounds Thermal, Long Beach, Indy 500, Indy Toronto St. Pete, Thermal |
|
| Ed Carpenter Racing | Chevrolet | 20 20 21 | Ed Carpenter Christian Rasmussen Rinus VeeKay | Ovals Street/Road, Plus Indy 500 All |
|
| Juncos Hollinger Racing | Chevrolet | 77 78 | Romain Grosjean Agustin Canapino | All All |
|
| Meyer Shank Racing | Honda | 06 60 66 | Helio Castroneves Felix Rosenqvist Tom Blomqvist | Indy 500 All All |
|
| Rahal Letterman Lanigan Racing | Honda | 15 30 45 75 | Graham Rahal Pietro Fittipaldi Christian Lundgaard KTakuma Sato | All All All Indy 500 |
|
| Team Penske | Chevrolet | 2 3 12 | Josef Newgarden Scott McLaughlin Will Power | All All All |