I think domestically is mostly just scrap steel at this point. They still may do some of the low grade takkanite ore or whatever that is left in the iron range, the largest iron deposit ever found, now cleaned out of the good stuff. All that World War gear and all.

Edit: The Iron range is in northern Minnesota, they shipped it over the great lakes, or down the old muddy, the mississippi that is, which they can reach the ohio and whatever and get it all to the smelters around ohio and Pennsylvania or whatever.

Its much smaller than it once was but we definitely still have a domestic steel industry. And it currently has more order volume than it can handle and is raking in the profits while continuing to raise prices.