Philipp Lenssen reports that Google Maps has added a "more info" link on the Google Maps results. If you do a search for my company, on the left hand side you will see a "more info" link. If you click that link, a window is overlaid over the map with more details on that business including address, phone, directions, overview, details and web pages related to the company. You can also then click on the windows-like collapse icon on the top right, near the close icon of that window to collapse the details and see more of the map.
Below is a screen capture just to document it: