Hardcore History. The come out a few times a year and are incredibly long (some episodes are five hours), but listening to Dan Carlin talk is really engaging. Plus he has one of those voices you can fall asleep to.
It Could Happen Here. Keeps my righteous anger at ‘the man’ topped up.
Criminal Records. Fun crime podcast focussed on the weird and less heard of crimes in history.
And banks on mortgages, and supermarkets on food, and oil companies on fuel, and energy companies on utilities……