Companies Services Geothermal energy credentials Contact imprint Welcome. We look forward to welcoming you to our website. As a DVGW-certified drilling company, we have been your partner for the construction of well and geothermal probe systems for over 15 years. Find out about the possibility of supplying your building with heat in a cost-effective and sustainable manner. If you would like further information or a non-binding offer, send us an email or give us a call. Your team from Sadurski Sadurski Erdbohrungen GmbH & Co. KG Westring 5 33818 Leopoldshöhe Phone: +49 (0) 5202/158515 Fax: +49 (0) 5202/158516 Mail: info@sadurski.de