Manufacturers
- This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries.
- Air Liquide: La Spirotechnique, Apeks and Aqua Lung
- Apollo Sports
- Atomic Aquatics
- Beuchat
- Cressi-Sub
- Dive Rite
- Draeger
- HTM Sports: Dacor and Mares
- Poseidon
- ROMI Enterprises: Aeris and Oceanic
- Ocean Divers Supply
- Scubapro
- Tusa
- Zeagle
- Edge-HOG (Highly Optimized Gear)
- Swagelok Speciality Regulators {Breathing Air}
Read more about this topic: Diving Regulator