Matthias Breit
- Evolution/Inspi-Vision-Level1
- Evolution/Inspi-Vision-Level2
- Evolution/Inspi-Vision-Level3
- Explorer-Hollis Level1
- OC-Advanced Trimix-Diver
- OC-Extended Range-Diver
- OC-Nitrox-Diver
- OC-Recreational Trimix-Diver
- Poseidon MKVI Level1
- Poseidon MKVI Level2