PIMformation Pro
PIMformation Pro's additional features include the following:
The abiltiy to output data files to multiple PIM and PDA sources.
Data can be selected or filtered on keywords such as city, state,
zip,and SIC codes.  Data can be viewed before it is selected or 
downloaded. The ability to import data from commercial database
vendors.  The built-in database contains over 100,000 entries.
There are over 5,000 computer companies listed.