Facebook integration

I have a business directory, but havent yet put it online. i want to put it online and also have it on facebook. here is the kind of extension i want [login to view URL] . my directory is written in php. so i want to also make it present on facebook, to get more about the directory please read and ask to developers. this the website for those that developed the director. [login to view URL] And any1 who gets this one will also get the contract to do the interface of the business directory and the graphic design of the business directory. Good-luck to all programmers