#4 Charlie Kimball
#14 Tony Kanaan (Ovals)
#14 Sebastien Bourdais
#14 Dalton Kellett
#TBA Dalton Kellett (Indy 500)
#26 Zach Veach
#27 Alexander Rossi
#28 Ryan Hunter-Reay
#29 James Hinchcliffe (Indy Double and Texas)
#88 Colton Herta Andretti Harding Steinbrenner Autosport
#98 Marco Andretti
#31 TBA
#59 Max Chilton (Road/Street plus Indy)
#59 TBA (Ovals Except Indy)
#8 Marcus Ericsson
#9 Scott Dixon
#10 Felix Rosenqvist
#18 Santino Ferrucci - Dale Coyne Racing with Vasser-Sullivan?
#55 Alex Palou [R] - Dale Coyne Racing with Team Goh
#81 Ben Hanley (Indy 500)
#24 Sage Karam (GMR GP and Indy 500)
#20 Ed Carpenter (Ovals)
#20 Conor Daly (Road Courses)
#21 Rinus Veekay [R]
#TBA Conor Daly (Indy 500)
#15 Graham Rahal
#30 Takuma Sato
#45 Spencer Pigot (Indy Double) - RLLR with Citrone/Buhl Autosport
#5 Oliver Askew [R]
#7 Patricio O'Ward
#66 Fernando Alonso (Indy 500)
#60 Jack Harvey
#1 Josef Newgarden
#2 Scott McLaughlin [R] (Indy Road)
#3 Helio Castroneves (Indy 500)
#12 Will Power
#22 Simon Pagenaud