Originally Posted by GUWonder
Google works well, or friends at select firms, if such is your cup of tea.
In any event, I know some Starwood hotels have asked for ID or documentation to support that a stay is related to said firm affiliated with a given corporate code.
They always ask for ID when I use mine, ususally I whip out a businesas card... (more so than my freinds who use the gov't rate)
-Vincent