Please contact us by regular mail, phone, fax or email at: Headquarters Office: TRL Systems, Inc. 4405 Airport Drive Ontario, CA 91761 Phone: (800) 266-1392 or (909) 390-8392 Fax: (909) 390-8397 Email: info@trlsystems.com Warehouse/RepairShop: 1614 East Holt Blvd, Suite 116 Ontario, CA 91761 Phone: (800) 266-1392 or (909) 390-8392 Fax: (909) 390-8397 Email: parts.sales@trlsystems.com