Quite a number of NDBs are privately operated
Folks,
Not limited to NDB, there is at least one, probably one more ILS "privately" owned and operated, there is no law that prevents an "interested party" owning and operating navaids, provided compliance witha bleeding thick book of standards is shown.
In a similar vein, there are quite a few "privately owned" approach and departure procedures that are not published and available for other users.
Tootle pip!!