The hotel may be able to tell you who supplies them and you may be able to get them.

A quick google shows this company

http://www.eaglecontract.com/images/Eagle_Catalog.pdf

says they did a couple Embassy Suites, so it may be a start. Snap a picture or two and start sending it around if the hotel can't tell you where they got them. I would assume it's not going to be cheap.