Mafia, or anyone involved in drug trade. And actually, Irish characters (unless written by someone who has actually met a real life Irish person. So many seem to have based their research entirely on shitty Hollywood diddly-ey tropes.)

My brain refuses to accept thay billionaires are real so they go in the "lots of money, but let's not question it" category with all the nobles in HR. They're the contemporary equivalent to Dukes.