You've got me beat in numbers....for now.

Currently (pretty sure this is all of my commercial campers; pretty sure.):
Warbonnet ElDorado
Warbonnet BB D1.1
Warbonnet BB D1.7
HH Expedition (x2)
HH No-Net
Speer IIIA
Trek Light Double
ENO Single
ENO Double
TTTM Single
Claytor Expedition
Claytor NoNet
Byer Moskito Traveller