
1) Company of Prussia 2) Vehicle manufacturer
Found on
https://www.crosswordclues.com/clue/stoewer

Stoewer was a German automobile manufacturer before World War II whose headquarters were in Stettin (Now Szczecin, Poland). The first company was founded by the Stoewer brothers, Emil (lived 1873 - 1942) and Bernhard (1875 - 1937) in 1896 for manufacturing sewing machines in Stettin. In 1899, the Stoewer brothers founded the firm Gebrüder Stoewer...
Found on
http://en.wikipedia.org/wiki/Stoewer

Vehicle manufacturer [DE]
Found on
https://www.encyclo.co.uk/local/20785
No exact match found.