They were not, obviously. However, there is very good evidence that IBM did sell calculation and bookkeeping hardware to Nazi Germany, and that the Nazis used

They were not, obviously. However, there is very good evidence that IBM did sell calculation and bookkeeping hardware to Nazi Germany, and that the Nazis used it to organize the Holocaust: https://en.wikipedia.org/wiki/IBM_and_the_Holocaust https://en.wikipedia.org/wiki/IBM_and_the_Holocaust