JB Wholesale Rfg & Bldg Supplies - Visit Sponsors Go back to directory. Add to Address Book. JB Wholesale Rfg & Bldg Supplies JB Wholesale Rfg & Bldg Supplies Contact: Keith Jones Work Chatsworth CA work Work Phone: (818) 998-0440work Work Email: jbroofing@earthlinks.netINTERNET Website: JB Wholesale Rfg & Bldg Supplies Categories: Bronze Advocate Updated 3 weeks ago.