Zytek

Le Mans

3 entries

Spa Francorchamps

3 entries

Bahrain International Circuit

2 entries

Interlagos

2 entries

Shanghai International Circuit

2 entries

Silverstone

2 entries

Greaves Motorsport

20 entries

Jota

4 entries

Jota Sport

3 entries

Caterham Racing

1 entries

Gainer International

1 entries

Christian Zugel

11 entries

Elton Julian

8 entries

Ricardo Gonzalez

7 entries

Simon Dolan

7 entries

Chris Dyson

5 entries

Tom Kimber-Smith

5 entries