I like this one a lot, it has all the features we need, I need to verify we have access to the source code for making it automated for seminar scheduling.
PHP Store Locator Script is a fully scalable turn key PHP MySQL store locating script allowing site administrators to create and manage locations from an easy to use administration panel.
Low cost $75 Zip locator
A simple newsletter component with subscriber management and HTML/image embedding capabilities
could be useful for communicating with partners, visitors, coordinators......
SIMGallery allows your users to create and manage their own albums and photos
could be useful for coordinators or national offices to post pics and such to their site to show whats happening in their part of the world
Community Builder suite (CB) extends the Joomla! user management system
this is a base platform that has lots of plugins to further expand its usefulness
This is a simple component to let you change your Joomla Database Table Prefix
we had to use the default prefix for the migration, we may want to move it to something other than the default to help with security