Forum Moderators: not2easy
Whether copyright is enforceable or not, I imagine a big operator could make your life miserable in any case. Be aware that most directories "plant" some false information to catch violators.
First thing I would do is see if there is some industry association that will make this available without licensing fees.
I wouldn't be too hopeful about an online service from them, as their website seems pretty broken. First, it annoyingly resizes to full screen. Then, I get - absolutely nothing - (other than the home page) when I click on just about any link in their menu - using either Firefox or MSIE.
Maybe they can send you a 9-track tape. ;)