AJ Foyt Racing

Driver: Takuma Sato

Andretti Autosport

Drivers: Marco Andretti, Ryan Hunter-Reay, James Hinchcliffe, E.J. Viso

Dale Coyne Racing

Driver: TBA

Dragon Racing

Drivers: Sebastien Bourdais, Sebastian Saavedra

Dreyer & Reinbold Racing

Driver: Oriol Servia

HVM Racing

Driver: TBA

KV Racing Technology

Driver: Simona de Silvestro

Newman Haas Racing

Driver: TBA 

Novo Nordisk Ganassi Racing

Driver: Charlie Kimball

Panther Racing

Driver: J.R. Hildebrand

Rahal Letterman Lanigan Racing

Drivers: Graham Rahal, James Jakes

Sam Schmidt Motorsports

Drivers: Simon Pagenaud, Triston Vautier

Sarah Fisher Hartman Racing

Driver: Josef Newgarden

Target Chip Ganassi Racing

Drivers: Dario Franchitti, Scott Dixon

Team Penske

Drivers: Helio Castroneves, Will Power

Walker Racing

Driver: Ed Carpenter