The only ones that I have heard of are RV rental agencies who will sometimes allow RVs to be taken through Canada to the lower 48 at the end of the summer season, presumably so they can be utilized in sunnier climes over the winter. I assume it happens in reverse too before the beginning of the season in Alaska.
Otherwise I think "no" is the correct answer. Think of the one way drop fee.
Meant to add, off-season shipping rates for personal cars are high but not killer, so drive your own car up and ship it back on
Tote.