Update 9:00 PM EST:Google has noted the following in the forums this evening:
We’re aware some of the business listings were not appearing on Google Maps earlier today. This was a technical issue that’s now been resolved.
Google Maps Experiencing Difficulties – Do not change the channel, I repeat do not change the channel and do not panic!
As SearchInfluence has pointed out Google Maps is having severe problems this afternoon with loosing listings. Here is a sampling of the most recent posts which obviously indicate that Google has misplaced more than one record and that Google staffers will (hopefully) be working overtime: