Ligier JS P320 36 Jarett Andretti 3, 5–6, 8, 12 Oliver Askew 3, 5–6, 8, 12 Marco Andretti 5 Josh Burdon 12 Performance Tech Motorsports Ligier JS P320 38 Rasmus Lindh Wszystkie Mateo Llarena 1–2, 5–6 Cameron Cassels 1 Ayrton Ori 1 Dan Goldburg 2–3, 8, 12 FastMD Racing Duqueine M30 - D08 40 Todd Archer 12 Max Hanratty 12 James Vance 12 CORE Autosport Ligier JS P320 54 Jon Bennett Wszystkie Colin Braun Wszystkie George Kurtz 1–2, 5, 12 Matt McMurry 1 Riley Motorsports Ligier JS P320 74 Gar Robinson Wszystkie Scott Andrews 1–2, 5, 12 Spencer Pigot 1–2 Oliver Askew 1 Felipe Fraga 3, 5–6, 8, 12 91 Jim Cox Wszystkie Dylan Murry Wszystkie Jeroen Bleekemolen 1–2, 5, 12 Austin McCusker 1 Wulver Motorsports Ligier JS P320 61 Tõnis Kasemets 8 Augie Pabst 8 WIN Autosport Duqueine M30 - D08 83 Matthew Bell 2, 12 Niklas Krütten 2 Rodrigo Sales 2 Naveen Rao 12 Josh Skelton 12 D3+ Transformers-Dawson Racing Ligier JS P320 84 Dominic Cicero 5–6 Theodor Olsen 5–6 Ben Devlin 5