On the subject of determining the maker of Wehrmacht vehicles... We also have the Brummbar which seems to have 4 different makes (Alkett, Deutsche Eisenwerk, Niebelungenwerk, Vienna Arsenal) attached to it on IMCDB at the moment. Which one should we take for that vehicle?

https://www.imcdb.org/vehicle_1635350-Alkett-Sturmpanzer-43.html