A listing of 5 Twitter Directories that every organization should utilize to help expand reach.

Twellow


A Twitter directory sorted by occupation.  Users can edit a comprehensive profile including extended bio and links to other social networking profiles.

My Twellow Profile

Just Tweet It

A categorized Twitter directory utilizing a wordpress platform.  Easy to use and allows short description with html.

One of my listings




Twubble

A twitter tool that finds people who are compatible with your profile and recommends new people to follow. 





Twitdir

Search for words in usernames, locations or descriptions.  Make sure to add your username.

My profile on Twitdir


Wefollow
 
A directory allowing users to search via categories or tags that you define when adding profile. 
 
One of my listings on WeFollow