facebook development question

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ASP.NET

i have a unique situation and i dont know how to fix it.
i have a company and i want to build facebook application to my company.
the application serve other company's(my friends) and thier friends (the other companies contacts mans).
if companies want to use it they need to be my friends and access it via my profile page (its an iframe application).i want that after the friends company use the application the application will automaticly add to their profile page. this way the contacts man will ask friendship from the companies and access to the application via the companies profile pages and not via my company (very important).
i dont know how to add a page that runs my iframe application automaticaly to the user profiles after the user access to it.
i want to create situation that after user authinticate with my application, the application will be added automatically to his profile page.
please help.thanks in advance.