These are the singlehose regs that I found until now:

Cyclomat
Cyclon 300/Cyclon
Maximus
Cyclon Super 300
Diveair/Cyclon 5000
Jetstream/Odin
Oceanair/Thor
Poseidon Junior
Triton
Triton Millenium
X-Stream
X-Stream Deco
X-Stream Deep
X-Stream Dive
X-Stream Duration