If your business is already on Google.com and Google Maps search engine results, you can use Local Business Center to claim free listing and add additional info. In addition to organic listings, you can use AdWords ads; Both location-targeted text and location extensions ads can appear on search and Maps pages. When you create location extensions, you'll be able to show your business addresses within your text ads. If you're a primary owner, you can link Local Business Center account with AdWords for most up-to-date information within your ad. When you use extensions, you'll also be able to upload a custom icon that appear when your ads show on Google Maps. This allows you to take a more active role in ensuring your business locations stand out when users look for businesses like yours in your area.

Source:→ AdWords Blog