Not at "any". Some do and some don't.
In addition to the nice Google Docs that Eric found, I think there's some additional DP over on the flyertalk Hilton forums:
American Express | Membership Rewards - Report Hilton hotel restaurants that use hotel's merchant account (no stay). - Many FlyerTalkers have wondered if there is a list of hotel restaurants whose merchant code is that of the hotel, rather than a separate code. This information is particularly
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I'm also adding in the Platinum thread as sometimes stuff gets posted there too:
American Express | Membership Rewards - Business Platinum (USA) $200 Hilton statement credit ($50/quarter) - New Addition to the AmEx Coupon BooK: Quarterly $50 Statement Credit for stays with Hilton. �Benefit Terms $200 Hilton Statement Credit Benefit enrollment required. Basic Card Member must...
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