Business Profile/Directory Scri[t

Looking for someon who can provide me witha business directory/profile open source script that i can use for a specific business directory where businesses can make an account and make a profile page on the directory which would have information pertaining to their business for specific categories - I know there is manny scripts online that are floatign around I would like someone to find me a good one open source and work with us on adjusting it to our specs.