Michigan:

Al Quaal Recreation Ski Area
Alpine Valley
Apple Mountain
Big Powderhorn Mountain
Bittersweet Ski Area
Blackjack Ski Resort
Boyne Highlands
Boyne Mountain
Caberfae Peaks Ski & Golf Resort
Cannonsburg Ski Area
Crystal Mountain
Gladstone Sports Park
Hanson Hills
Hickory Hills
Indianhead Mountain Resort
Marquette Mountain
Missaukee Mountain
Mont Ripley
Mount Bohemia
Mt Holiday Ski Area
Mt. Brighton
Mt. Holly Ski Area
Mt. McSauba
Mt. Zion Ski Area
Mulligan's Hollow Ski Bowl
Norway Mountain
Nubs Nob Ski Area
Pando Winter Sports Park
Petoskey Winter Sports Park
Pine Knob Ski Resort
Pine Mountain Resort
Porcupine Mountain
Shanty Creek
Silver Ridge Resort
Ski Brule
Skyline Ski Area
Snow Snake Mountain
Sugar Loaf Ski Resort (Closed)
Swiss Valley Ski Lodge
The Homestead
Timber Ridge Ski Area
Treetops Resort