National General did tell us that they insure non-professional school bus conversions in EVERY state EXCEPT North Carolina. Good Sam says they "no longer have a product for converted buses."
Although I found a local National General agency in my tiny 500 population town and the guy was able to convince them to insure us. We went with Farm Bureau, though, because it was cheaper by ten bucks.
My build thread:http://www.skoolie.net/forums/f11/build-thread-for-haulin-oats-and-goats-11237.html#post113500
A gal, a guy, three cats, two dogs, one rabbit, and one goat, traveling the country together.