From left to right are:
US Army style canteen cup stove
Swiss Volcano stove
Sterno Stove (my first camp stove)
Behind the Sterno stove is an Amco Butane stove.The black unit to the right is a Collapsible Wood Stove.
To the front is an Esbit fuel stove.
Behind the black stove is a Coleman Gas single burner stove/heater.
The last item on the right is a Swiss Army Trangia alcohol cookset.
Update: Actually that is a Swedish Army Trangia cookset.