Who was Hitler's accomplices in the Holocaust?

The Schutzstaffel or SS was the primary operating force of behind the operation of the concentration camp system. Begun as a personal bodyguard for Adolf Hitler, it expanded under Heinrich Himmler and included elite armed military forces who in their early days should not be confused with the concentration camp system. The SS Totenkopfverbande or SS-TV ran the camps, and mobile killing teams called Einsatzgruppen were the field executioners who followed the Army into occupied countries.

There were several American companies who helped Hitler, including General Motors, The Curtiss-Wright Aviation Company, Standard Oil, Henry Ford, Chase National Bank later Chase Manhattan Bank, and International Telephone and Telegraph ITT