Whooops, correction: Bridgestone tires.
Also, their most likely location is
(
http://tireweb.zolmantire.com/533723.htm ) Zolman tire in Mishawaka, IN. Napanee is much too small. Seems as though all products & services used by the Napanee RV builders comes from South Bend, Mishawaka, or Elkhart. Use those cities in your Google search.
Sorry