This is incorrect.

“In return for business assistance, the Nazis hastened to give evidence of their good will by restoring to private capitalism a number of monopolies held or controlled by the state."

In other words, the Nazis specifically took certain businesses that were formerly nationalized and then privatized them.

For further reading:

• Retrospectives The Coining of “Privatization” and Germany’s National Socialist Party - Article from Journal of Economic Perspectives
• Against the mainstream: Nazi privatization in 1930s Germany - Research paper from the University of Barcelona