> I can't figure out how to create a DL or a rule by selecting all
> contacts that have their company name field set to "xxx" or whatever.
You don't state your Outlook version, to this is for Outlook 2003.
With your Contacts displayed, click View>Arrange By>Current View>By
Category. Right-click the Company header and choose Group by this Field.
Select the company you wish and click Actions>New Message to Contact

Signature
Brian Tillman