WSN Directory gives you all the tools you want in building your business directory. Google maps and postal code range searches highlight the physical locations of businesses, while PageRank and Alexa stats indicate their web status (if applicable). Add and remove fields to collect and display just the data you're looking for. Allow visitors to review and comment on listings, save them, send them to a friend, et cetera. Make money by encouraging people to upgrade to paid listings. Installation and upgrades couldn't be easier -- no uploading or chmoding required. Also available as a wordpress plugin.