National Socialist Imperial Fighter's League
Nationalsozialistischer Reichskriegerbund / NS-RKB

NS-RKB was the only allowed soldiers welfare organization in the Third Reich.
Not to be mistaken with the Reich Colonial League (Reichskolonialbund), also RKB in short.

German Navy League

German Soldiers' League
Deutscher Soldatenbund

National Peasantry

German National League for Gymnastics
Nationalsozialistischer Reichsbund für Leibesübungen / NSRL

Flag of Zeppelin Reederei