READ MORE: Montanan wins National Cooking Contest on Food NetworkOne of the cool things about Montana is the steak house. Which Montana steak house is the best? Mercantile Steakhouse in Kalispell, Montana - Located in the old Mercantile Building, Mercantile Steakhouse is one of those places that's a little more fancy than the average Montana Steakhouse. - Located in the old Mercantile Building, Mercantile Steakhouse is one of those places that's a little more fancy than the average Montana Steakhouse. Let us know which Montana Steakhouse you would add to the list.