I guess it depends on how you define a hybrid. Most I saw are AT's or MT's except the St Maxx. I see these in 275/70:
Mickey Thompson Deegan 38
General Grabber A/T X
Cooper AT3 LT and St Maxx
BFG KO2 or MT/R
Falken Wildpeak A/T3W
Firestone Destination X/T
Hankook Dynapro AT2