UPDATED for 2018 -
USA
Tahoe:
Heavenly, Kirkwood, Northstar, Squaw, Alpine, Boreal, Sugar Bowl, Homewood, Diamond Peak, Mt Rose, Sierra at Tahoe, Donner Ski Ranch
Other CA resorts:
Bear Valley, Dodge Ridge, Mammoth
Idaho - Sun Valley
Wyoming - Grand Targhee
Utah - Park City, Deer Valley, Canyons, Snowbird, Alta, Brighton, Solitude, Brianhead
Colorado - Steamboat, Aspen, Snowmass, Telluride, Crested Butte,Breckenridge, Keystone, Copper Mtn, Vail, Beaver Creek
New Mexico - Taos
CANADA
Whistler, Blackcomb, Banff, Lake Louise, Norquay
EUROPE
Switzerland - Zermatt, Verbier, Portes du Soleil (Champery), Wengen, Grindenwald
Austria - Bad Gastein, Kitzbuehl
Italy - Cervinia, Monterosa, La Thuille, Pila, Courmayeur
France - Chamonix, Tignes, Val d'isere, Avoriaz, Serre Chevalier (Briancon)