PARTNER We have been a member of the Hessen Chamber of Engineers as well as various associations and technical organizations for many years. Only those who are committed and collaborate can change something. Horst Döring was on the board of the LiTG Hessen-Thuringia for many years. Claudia Döring was active on the state board of the VBI Hessen from 1993 to 2015 and has been involved in the AHO technical committee since 2010. Association of Consulting Engineers VBI www.vbi.de Committee of the Associations and Chambers of Engineers and Architects for the Fee Regulations eV AHO www.aho.de Chamber of Engineers Hessen www.ingkh.de Deutsche Lichttechnische Gesellschaft eV LITG www.litg.de Association of Electrical Engineering www.vde.com Association of German Engineers eV www.vdi.de HOME CONTACT DIRECTIONS DATA PROTECTION IMPRINT Kassel location Druseltalstrasse 15 34131 Kassel, Germany Phone: +49 (0) 561 930 84-0 Fax: +49 (0) 561 930 84-50 Email: ib@doering-kassel.de Goettingen location Sieberweg 67 37081 Goettingen Phone: +49 (0) 551 8 20 85 79-0 Fax: +49 (0) 551 8 20 85 79-5 Email: goettingen@doering-tga.de © 2021 Doering - Consulting Engineers GmbH