Kakitsubata Racing
#14 – Kenneth Fairchild
#33 – Ernst Kalb

Equipe Diamante
#62 – Marcos Dias
#21 – Anniina Virtanen

Clifford-Barker GP
#40 – Foster Robinson
#7 – Jennifer Haverly

Stella Cadente
#9 – Jean-Pierre Laurent
#71 – Cristobal Gil

Schneider Motorsports, Ltd.
#99 – Jiro Maki
#17 – Gert Van Daal