Andy,
I would say that it is a very good chance its the same Williams.
Found the following that shows George Breisch, George Williams and W.I. Hine all listed as directors of American Caramel
https://www.google.com/books/edition...sec=frontcover
Here is another interesting link which shows a picture of the Caramel factory in Oxford, PA
https://www.google.com/books/edition...sec=frontcover
Regards,
Scott