Okay the condensed version of the story, original owners of Classic sell to investor, turns out he was more like Ponzi scheme operator. Investor in lots of trouble Classic gets sold to another trailer company in Ohio.
However original owner of Classic still owns land and buildings in Sturgis, MI and is back in business as Neo Trailers.
http://www.neomfg.com/
They might be able to help if you hit another dead end.
Good Luck,
Bill