Ossipee Mountain Land company used to sell kiln dried firewood in bulk but it has been many years since I purchased from them. I see from their website they package and sell it in bundles but I don't see anything about bulk sales. Would still be worth a phone call to inquire
Ossipee Mountain Land Company Incorporated
P.O. Box 599, West Ossipee, New Hampshire 03890
Telephone: (603) 323-7677
http://www.ossipeemountainlandcompany.com/index.html