Here is the map for the locations from the Ultimate GTO Picture Site
http://www.members.dandy.net/~whippet/art18.htm

That lists for you Steve:
13 251 Kriegh Motor Company, 107 N Sheridan, Minneapolis KS 67467 closed

Hope this helps? Lukily for me, I have my original owners manual with the protecto plate and the original dealer info, and the original owners name etc.. but still nice to be able to cross reference info!

Good luck - Brett - 67 Drop Top 455!