here is the link to a place I found in Ontario California that sells refractory and related products I have no idea if the place is close to anyone but they do do mail order.
http://www.foundryservice.com/index.html
another supply house that I located
another supply house that I located
David and Charlie aka the shop monster
If life seems normal your not going fast enough" Mario Andrette
If life seems normal your not going fast enough" Mario Andrette