It’s important to list your business in Google Places & Google Map as Google is one of the most popular search engine over web. Google starts showing Google Map Listing in localized searches, this is in a shape of block. If you notice a map comes up when you perform a search with a place in search in a shape a block (One-box-map or ten-box-map). It’s not important that it comes up by all keywords. Some software’s are in market which is used to search keywords by which Google is showing maps in listing. So it’s best to use those keywords while creating profile over Google Maps or Google Places. Most of these listings are from local companies verified by business owners using phone verification or verification thru postcard.
It’s free to list business over Google Places, rest it’s important to keep on adding as much information as you can about your business. Promotions of website is also important side by side as many companies are promoting their website in order to increase more and more visibility locally.