One example I can think of is private colleges. Many in the US have made public statements dedicating themselves to uphold principles like freedom of speech. Or

One example I can think of is private colleges. Many in the US have made public statements dedicating themselves to uphold principles like freedom of speech. Organizations like FIRE do a pretty good job holding them accountable to those principles and there are many instances in which they have documentated policy or enforcement changes made due to their activism.