Maxkeyboard has a backlit board on costar stabs.
It's on their nighthawk series.
Code keyboards as well
That is actually iOne style stabiliser.
Eitherway, backlit boards with Costar style stabilisers that I known are:
Noppoo Choc Mid 87 backlit
PLUM Morphling 87 wireless
Armageddon Hornet (and all its clone brothers)