These are the singlehose regs that I found until now:

Atmos
Atmos Pro
Blowair
Discover
Discover VS-1
Souplair
Souplair 65
Voyager
Voyager VS-1
VS 3
VS 3 Club
VS 4
VS 8
VS 10 Labrador
VTR 8
VX 4
VX 10
VX 10 Evolution
VX 10 Iceberg
VX 20
VX 40
VX 80
VX 80 Iceberg
VX 100
VX 200 Iceberg
VXT 8
VXT 80
VXT 80 Iceberg