Manufactured by Scholz & Tegener GmbH, Berlin-Charlottenburg 1922-1925
Their first models had 192cc four-stroke engines, followed in 1924 by tax-exempt 196cc (62x65mm b/s) lightweights, and in 1925 249cc (65x75mm b/s) and 350cc motorcycles joined the line-up, the unit-construction engines and frames manufactured in-house.
Tegener left the firm early in 1925. Trading continued until 1930 when the business was bought by Hermann Teuber and moved to Frohnau.
Sources: GTU Oldtimerservice; Motopedia.