Team | Nr | Rijders | Races |
Andretti Autosport | 28 | Shelby Blackstock | Alles |
83 | Matthew Brabham | Alles |
Garibotti Racing | 75 | Jeff Garibotti | Reed alleen in Austin |
JDC Motorsports | 9 | Juan Piedrahita | Alles |
16 | Lloyd Read | Alles |
19 | Nick Andries | Reed alleen in Austin en St Petersburg |
66 | Zack Meyer | Alles |
Juncos Racing | 2 | José Gutiérrez | Reed alleen in Austin en Mid-Ohio |
3 | Julia Ballario | Reed alleen in Mid-Ohio en Trois-Rivières |
44 | Scott Anderson | Alles |
57 | Diego Ferreira | Alles |
M1 Racing | 11 | Juan Camilo Acosta | Reed alleen in Austin en St Petersburg |
23 | Walt Bowlin | Expertklasse; Reed alleen in Toronto en Mid-Ohio |
29 | Jason Rabe | Reed alleen in Houston |
37 | Jay Horak | Expertklasse; Reed alleen in Austin, Mid-Ohio, Trois-Rivières en Houston |
91 | Kyle Connery | Reed alleen in Mid-Ohio |
PRL Motorsports | 48 | Patrick Linn | Reed alleen in Austin |
Team Pelfrey | 80 | Dalton Kellett | Reed alleen in CTMP |
81 | Spencer Pigot | Alles |
82 | Petri Suvanto | Reed alleen in Austin en St Petersburg |
Anders Krohn | Reed alleen in Indianapolis en Milwaukee |
Nicolas Costa | Reed alleen in Toronto, CTMP, Mid-Ohio en Houston |
83 | Stefan Rzadzinski | Trois-Rivières |
World Speed Motorsports | 6 | Michele Bumgarner | Reed alleen in Houston |
13 | Bobby Eberle | Expertclasse; Reed alleen in Mid-Ohio, Trois-Rivières en Houston |
18 | Kyle Kaiser | Alles |
24 | Michael Whelden | Reed alleen in Houston |