Amfibi Business Directory is a great source if you need to find contact and other information about businesses in the USA, Canada, UK and Australia.
Now it comes to your phone/tablet in the convenient form of an Android app. You can simply click the app icon and find the information you need right away.

You can find tons of valuable information about each company or organization, including, but not limited to:
-Full contact information
-Map and streetview of the location
-Website addresses
-Social network links
-Company representatives
-Products and services offered
-Opening hours
-Revenue information
-Number of employees
-Number of years in business
-Brands owned by the business
-SIC/NAICS codes

...and more!