Update (sorry Trevor, we'll do MTB when we get this one filled in!):

Cat 1: Redal
Cat 2:
Cat 3: Cleave, zzzwillzzz, Adxm
Cat 4: JPConrad, UMD, Mkadam68, bitingduck, bigdraft
Cat 5: WhiteCarbonDude, jsigone, TrevorInSoCal

Awaiting license: Herbm, Thomson, Happytime