This is what I have so far. I would have about 4 more to add to this list, but either they went out of business or don't carry hub motors anymore

- Lots of selection of kits and motors here.
http://www.poweridestore.com - weRelectrified.com sells Wilderness Energy kits and brushed motors.
http://www.werelectrified.com/extramotor.html - Rabbittool.com seems to sell hubs and other stuff.
http://www.rabbittool.com/frames/frelcwhl.html - Electricrider.com has Crystalyte Hubs, Kits, other parts
http://www.electricrider.com/crystalyte/parts.htm - ebikes of Canada carries a wide variety of Crystalyte hub motors, advanced batteries, and electronic accessories
http://www.ebikes.ca/store.shtml - Non hub motors that uses the derailer 4 gearing
http://www.cyclone-usa.com - Store that sells both WE and Crystalyte hub motors (and parts)
http://www.bernsonev.com - Store that sells Go-Hub kit (and parts)
http://www.largoscooters.com