These are the singlehose regs that I found until now:

Manta
Manta 5000
Manta 5000 ST
5000
Sentinel
Reflex T 50
T/AT 20
T 30
TX 40
TX 50
T 40 D
T 50 D
ATX/CTX 50
ATX/CTX 100
ATX/CTX 200
Egress
XTX 20
XTX 40
XTX 50
XTX 100
XTX 200
XTX 200 Status
Black Pearl
Tek3
DS4