HEIDENHAIN CORPORATION is a wholly owned subsidiary of the German company DR. JOHANNES HEIDENHAIN GmbH, headquartered in the Bavarian city of Traunreut, Germany. HEIDENHAIN CORPORATION is located in Schaumburg, IL 15 minutes northwest of Chicago. This location handles sales, service and all corporate responsibilities for North America. In addition, training for our distributors and customers is conducted on a continual basis at the Schaumburg office.