Year Around Skiing in U.S. and Canada

There are two places that I know of right now where you can usually ski 12 months a year (however, be sure to call ahead to be sure). These two places are Mt. Hood (because of the glaciers up to 8500 feet) and Whistler (north of Vancouver, Canada)(because of being that far north). There might be other places you know about like this in the Northern Hemisphere as well. But, these are the ones I know about right now. Also, there might be other Canadian and Alaskan Ski Resorts also open year around with snow as well.