Walgreens is the most popular company in the United States. They conducts a customer opinion survey called Walgreens listens at Walgreenslistens.com survey to know customer's satisfaction with their products and services. And the great part is you can win a $3000 money prizes by participating and giving honest feedback in this survey.

Walgreens, established in 1901, is the second-largest drugstore chain in the United States. This retailer has 8170 zones in 50 states, as of August 2016.