| 1 |
 Tony Kanaan |
31 Dec 1974 |
 Chip Ganassi Racing |
Dallara DW12 (IR18) - Honda |
FI | 1 | |
| 8 |
 Marcus Ericsson |
2 Sep 1990 |
Chip Ganassi Racing |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 9 |
 Scott Dixon |
22 Jul 1980 |
Chip Ganassi Racing |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 10 |
 Alex Palou |
1 Apr 1997 |
Chip Ganassi Racing |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 48 |
Jimmie Johnson |
17 Sep 1975 |
Chip Ganassi Racing |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 2 |
Josef Newgarden |
22 Dec 1990 |
Team Penske |
Dallara DW12 (IR18) - Chevrolet |
FI | 17 | |
| 3 |
Scott McLaughlin |
10 Jun 1993 |
Team Penske |
Dallara DW12 (IR18) - Chevrolet |
FI | 17 | |
| 12 |
 Will Power |
1 Mar 1979 |
Team Penske |
Dallara DW12 (IR18) - Chevrolet |
FI | 17 | |
| 4 |
 Dalton Kellett |
19 Aug 1993 |
A.J. Foyt Enterprises |
Dallara DW12 (IR18) - Chevrolet |
FI | 17 | |
| 11 |
 Tatiana Calderon |
10 Mar 1993 |
A.J. Foyt Enterprises |
Dallara DW12 (IR18) - Chevrolet |
FI | 7 | |
| 11 |
J.R. Hildebrand |
3 Jan 1988 |
A.J. Foyt Enterprises |
Dallara DW12 (IR18) - Chevrolet |
FI | 2 | |
| 14 |
Kyle Kirkwood |
19 Oct 1998 |
A.J. Foyt Enterprises |
Dallara DW12 (IR18) - Chevrolet |
FI | 17 | |
| 5 |
 Patricio O'Ward |
6 May 1999 |
McLaren SP |
Dallara DW12 (IR18) - Chevrolet |
FI | 17 | |
| 6 |
Juan Pablo Montoya |
20 Sep 1975 |
McLaren SP |
Dallara DW12 (IR18) - Chevrolet |
FI | 2 | |
| 7 |
Felix Rosenqvist |
7 Nov 1991 |
McLaren SP |
Dallara DW12 (IR18) - Chevrolet |
FI | 17 | |
| 06 |
Helio Castroneves |
10 May 1971 |
Meyer Shank Racing |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 60 |
 Simon Pagenaud |
18 May 1984 |
Meyer Shank Racing |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 15 |
Graham Rahal |
4 Jan 1989 |
Rahal Letterman Lanigan Racing |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 30 |
 Christian Lundgaard |
23 Jul 2001 |
Rahal Letterman Lanigan Racing |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 45 |
 Jack Harvey |
15 Apr 1993 |
Rahal Letterman Lanigan Racing |
Dallara DW12 (IR18) - Honda |
FI | 16 | |
| 45 |
Santino Ferrucci |
31 May 1998 |
Rahal Letterman Lanigan Racing |
Dallara DW12 (IR18) - Honda |
FI | 1 | |
| 16 |
 Simona de Silvestro |
1 Sep 1988 |
Paretta Autosport |
Dallara DW12 (IR18) - Chevrolet |
FI | 4 | |
| 18 |
 David Malukas |
27 Sep 2001 |
Dale Coyne Racing (Dale Coyne with HMD Motorsports) |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 51 |
 Takuma Sato |
20 Jan 1977 |
Dale Coyne Racing (Dale Coyne with Rick Ware Racing) |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 20 |
Conor Daly |
17 Dec 1991 |
Ed Carpenter Racing |
Dallara DW12 (IR18) - Chevrolet |
FI | 17 | |
| 21 |
 Rinus VeeKay (Van Kalmthout) |
11 Sep 2000 |
Ed Carpenter Racing |
Dallara DW12 (IR18) - Chevrolet |
FI | 17 | |
| 33 |
Ed Carpenter |
3 Mar 1981 |
Ed Carpenter Racing |
Dallara DW12 (IR18) - Chevrolet |
FI | 5 | |
| 23 |
Santino Ferrucci |
31 May 1998 |
Dreyer & Reinbold Racing |
Dallara DW12 (IR18) - Chevrolet |
FI | 1 | |
| 24 |
Sage Karam |
3 May 1995 |
Dreyer & Reinbold Racing |
Dallara DW12 (IR18) - Chevrolet |
FI | 1 | |
| 25 |
Stefan Wilson |
20 Sep 1989 |
DragonSpeed (Cusick Motorsports) |
Dallara DW12 (IR18) - Chevrolet |
FI | 1 | |
| 26 |
Colton Herta |
30 Mar 2000 |
Andretti Autosport |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 27 |
Alexander Rossi |
25 Sep 1991 |
Andretti Autosport |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 28 |
Romain Grosjean |
17 Apr 1986 |
Andretti Autosport |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 29 |
 Devlin DeFrancesco |
17 Jan 2000 |
Andretti Autosport (Andretti Steinbrenner Autosport) |
Dallara DW12 (IR18) - Honda |
FI | 17 | |
| 98 |
Marco Andretti |
13 Mar 1987 |
Andretti Autosport (Andretti Herta Autosport) |
Dallara DW12 (IR18) - Honda |
FI | 1 | |
| 77 |
Callum Ilott |
11 Nov 1998 |
Juncos Hollinger Racing |
Dallara DW12 (IR18) - Chevrolet |
FI | 16 | |
| 77 |
Santino Ferrucci |
31 May 1998 |
Juncos Hollinger Racing |
Dallara DW12 (IR18) - Chevrolet |
FI | 1 | |