PiinPoint (YC W14) Knows Where Businesses Should Be Located
techcrunch.com
techcrunch.com
Regardless, this is a great problem to solve and wish them all the luck.
The other problem is that PinPoint.com is owned by Microsoft who will probably never be interested in selling it. So even after getting funding you won't be able to move over to a better url.
I suspect most of their business will be via referral, which is often in writing.
Nielsen offers the reverse of this service to large multinationals so they can determine where to send their sales reps (like Coca-Cola wanting to know where all the new convenience stores in Africa are).