the company was founded by Hans Börner. In the early years protective glasses and rulers were made for industrial purposes.
the first domelight were manufactured for flat roofs. The company moved its headquarters from Mühlstraße into Odenwaldstraße.
after the early death of the company founder, his wife Marie Börner took over the management
Ortwin Lempert took over as the managing director of the company.
the company moved to the present premises on Rudolf-Diesel-Strasse in Nauheim.
son of Ortwin Lempert and Renate Lempert-Börner business economist Holger Lempert joined the company.
Holger Lempert became chief executive officer and thus manages the company together with his father Ortwin Lempert.