Squadre che partecipano a Circuito Internazionale dell'Algarve
- AF Corse
- Auto Sport Racing
- BDR Competition by grupoprom
- DKR Engineering
- Die Biermacher Racing
- ENRICO FULGENZI RACING
- EST1 Racing
- FK Performance
- Fach Auto Tech
- GT3 Poland
- Good Speed Racing
- HADECA Racing
- Haupt Racing Team
- Inter Europol
- KKrämer Racing
- Koiranen
- Konrad Motorsport
- Laptime-Performance
- MDM Motorsport
- MS Racing
- Mühlner Motorsport
- Ombra Racing
- PG Motorsport
- PTT Racing
- Pellin Racing
- Proton Huber Competition
- Racar Motorsport
- Racing Experience
- RedAnt Racing with Ajith Kumar Racing
- Rinaldi Racing
- SCHUMACHER CLRT
- SR Motorsport by Schnitzelalm
- SSR Performance
- Sunder Motorworks
- Target Competition
- Team GP Elite
- Team Neuhofer Rennsport
- Team Parker Racing
- Triple & Crown Racing
- Veloso Motorsport
- Volcano Motorsport
- Wileco Motorsport
- ANS Motorsport