WordPress + PageLines DMS + Google Maps
BBQ Dragon were recommended to us by PageLines. They needed away for their customers and site vistors to be able to access information about dealers, retailers and BBQ asscoaitions.
The site also needed some other more mundane tweaks.
Using a bespoke plugin and Google maps we created directories for each of the groups. These could be added to any page with a shortcode. The content was displayed with a google map and by entering a Zip code or allowing the geo IP tool users could find the listing closest to them. If they preferred they could browse through the listings and then see the result on the map.
This was set up so retailers, distributors or associations could add their listing via a front end form and then the site admin approved the listing.