Is it possible to show fields from an organization in Contacts?

Is it possible to show fields from an organization in Contacts?

Hi,

I have a custom field (Peer Group) in my Accounts list. Sometimes I want to mass e-mail all people who are part of Accounts that are part of, say, Peer Group 2. I was looking for a way to show Peer Group in the Contacts based on how each contact has a link to an Account, but can't find this.

Does anyone know if this is possible? In relational databases, typically you can do this kind of operation, but I'm not so sure here.