That's right. Hilton and Marriott both have Amex cobranded cards available. For Hyatt, it's only Visa. Historically, I had Visa branded cards for all three (Hilton via Citi and Marriott via Chase), so I always had to be vigilant when using the cards in a non-USD location.

Fortunately, I haven't seen any DCC with my Chase Hyatt card, but I only have a handful of data points using it internationally.