A few examples:
36H Miche Primato rear hub
36H Shimano Deore XT front hub (nicely discbrake compatible) and a nice Alex TD17 disc-specific rim to go with it.
Surly's new singlespeed 36H rear hub

etc. etc. etc. and this only in one online store (albeit, my favorite online store ) I really have not even nearly scratched the surface of 36H parts available at JensonUSA. Same goes for any better equipped bikeparts store, such as cambriabike or Harris Cyclery.