Vorwerk makes really good hardware and home appliances. Its only negative part is the almost pyramidal sales style. It's not really pyramidal as in the scam, because you actually buy something and you don't need to become a seller, but it uses "regular housewives" [1] as sellers.

[1] at least 30 years ago, now many of them do also another paid work (not Vorwerk-related) on top of unpaid house chores.