Where I buy mine...
Shoco Oil/Sam Hill
http://www.shocooil.com/contact.php
Address: 5135 East 74th Avenue
Commerce City, CO 80037
Office Phone: 303-289-1677 Toll Free 1-800-854-5553
Office Hours: Mon - Fri 6:00 a.m. - 6:00 p.m.
Sat - 7:00 a.m. - 12:00 noon