Gone are the days when a business laid down an annual sum to have its information listed in the Yellow Pages.

These days it’s crucial for small businesses to instead prominently list themselves in multiple online directories. Consider this, four out of five consumers in the U.S. now use search engines to find local businesses. Perhaps more importantly, 50 percent of those conducting local searches by smartphone visit the business in question within the same day, and 18 percent move forward with a purchase that day. To make sure your business is found, we’ve outlined the top 20 places your business needs to be listed. And we’ve even added a few lesser-known directories as a bonus.