These are the singlehose regs that I found until now:

Aquanetic I
Aquanetic II
Depth Finder
Depth Master
Dreadnaught
Fathom Master
Oceanaut
Ocean Diver
Reef Diver
Reef Diver Deluxe
Scuba DL-5
Sealung 100
Sealung 200
Sealung 1000
Sealung 2000
Sealung 3000
Sealung 4000
Sealung 5000
Sealung Deep I
Sealung Deep II
Sealung Deep III
Sealung Deep IV
Sealung Deep V

Westcrest Reef Diver
Westcrest Ocean Diver