@dbattistella weren’t many of them USA companies?
#GM General Motors - Owned Opel factories that produced military trucks and vehicles for the Wehrmacht. By 1942, approximately one-third of Wehrmacht trucks were produced at Ford and GM facilities in Germany.
#Ford Ford Motor Company - Ford-Werke facilities in Cologne produced military vehicles including trucks and half-tracks. US Army investigators found the operations functioned with knowledge of Detroit headquarters and used forced labor.
#IBM - Through majority-owned German subsidiary Dehomag, supplied punch-card tabulating equipment used for census operations and tracking populations (transfer). Equipment was used from the early 1930s through the war.
Standard Oil - Had major investment partnership with IG Farben chemical company as second-largest stockholder. Supplied oil and maintained economic ties with German industrial interests throughout the 1930s.
#ITT - Owned 25% stake in Focke-Wulf aircraft manufacturer through subsidiary C. Lorenz AG. Also owned shares in Signalbau AG which produced radar equipment and transceivers for the Wehrmacht.
Eastman Kodak - German subsidiary Kodak AG produced film, fuses, triggers, and detonators. Used forced labor at Stuttgart and Berlin facilities. Continued importing goods purchased from Germany through neutral countries like Switzerland.
Coca-Cola - Operated bottling plants including one in Essen. Sold 4.5 million cases in Germany in 1939, up from 100,000 cases in 1933. Sponsored the 1936 Berlin Olympics.
DuPont - Had German operations and investments documented in early 1930s, though specific wartime activities are less clear in the sources I found.
International Harvester - Manufacturing operations in Germany with investments growing by 33% annually in the mid-1930s according to company president Sydney McAllister.
Singer - Maintained German subsidiary operations through the 1930s and into the war period.
#Westinghouse - Had documented German investments and operations continuing through the 1930s.
General Electric - Maintained German business connections and investments through the 1930s.
Union Banking Corporation (Prescott Bush) - Banking firm that reportedly transferred funds to German industrial interests in the early 1930s, with particular ties to steel magnate Thyssen.