If you are a SEO client of ours then you are listed on Google Places, a simple Google directory showing businesses based on search terms. A problem in the past was when a business address was also their home address, so the listing would only show near their home address location. So say you provide Surf Lessons in Kihei, yet you live in Makawao. Google now addresses this with Service Areas.
Learn more at http://www.google.com/places