Since starting up business in Vorarlberg, the westernmost state of Austria, with the focus of its activities on housing and residential architecture, the company has meanwhile become internationally established with branches in Lochau (Austria), Vienna, St. Gallen (Switzerland), Zürich (Switzerland), Vaduz (Liechtenstein) and Beijing.
Johann Heinrich Friedrich Karl Witte (born July 1, 1800 in Lochau (now part of Schkopau); died March 6, 1883 in Halle) was a German jurist and scholar of Dante Alighieri.