- CCR - Closed Circuit Rebreathers
- VR Technology
- KISS Rebreathers
- Innerspace Systems Corp.
- Juergensen Marine, Inc.
- rEvo Rebreathers
- Nautilus Rebreathers
- Open Revolution Rebreathers
- Dive Rite Inc.
- Inspiration / Evolution
- Prism Rebreathers
- Poseidon Rebreathers
- Titan Rebreathers
- Submatrix CCR & SCR
- Palagian Rebreathers
- Other CCR Rebreathers
- SCR - Semi Closed Rebreathers
- PSCR - Passive Semi Closed Rebreathers
- Other Rebreathers