[pbreit]

Even when I use a company card I always give the hotel my own member number.

[mbreese]

Right - but I've heard anecdotes (I know...) of companies requiring the use of their own loyalty cards (or special deals with vendors). If a company is paying for the trip, they will eventually try to capture all of the benefits.

[pbreit]

But that's not really what you said.

Not necessarily or even probably since it's a popular perk and most companies are sensitive to sending their employees on the road.