Equips que participen en Circuit de Barcelona-Catalunya
- ABM
- AF Corse
- Auto Sport Racing
- BDR Competition by grupoprom
- CLRT Schumacher
- DKR Engineering
- DL Racing
- Debard Automobiles by Racetivity
- EST1 Racing
- GT3 Poland
- Gebhardt Motorsport
- Good Speed Racing
- Haupt Racing Team
- Inter Europol
- JVO-Racing
- Joos Sportwagentechnik
- Konrad Motorsport
- Martinet by Alméras
- Mertel Motorsport
- Mühlner Motorsport
- PTT Racing
- Plusline Racing Team
- Proton Huber Competition
- R-ace GP
- Racar Motorsport
- Razoon - Morethan Racing
- Rinaldi Racing
- Rossocorsa Racing
- SCHUMACHER CLRT
- SR Motorsport by Schnitzelalm
- Schnitzelalm Racing
- Sunder Motorworks
- TFT Racing
- Team 52
- Team Race Car Events
- Wileco Motorsport
- ANS Motorsport
- Guogui Racing Technology Team
- Kick Sauber Ferrari F1 Team