Cogmap
As a library director, I find myself in the middle of conversations I would never have ever thought I would have. In the last few weeks I have discussed organizational charts more than I would ever have though possible! And in several different contexts!
Anyway, Cogmap is an online organizational chart wiki that shows you the org chart for companies. Because it's a wiki, you can contribute your own information, update entries, etc. This is the place to come to find out who has what position in a company, whether it is to register a complaint, pay a compliment or network with a peer.
And if anyone wants to talk about library organizational charts? I am ready!