I can't find a way to provide feedback on hotels or other travel related items, both good or bad. I just have had a less than stellar experience with a company "preferred" hotel and I believe this should be reported.  Also the good, in other cases none of us knew that breakfast was included.

And no, I do not know who our site administrator is or how to contact him/her. 

My only option seems TripAdvisor or other review sites, but that does not address corporate agreements.