RefUSA helps small business owners do their own market research. You can use this reference database to create customer lists, check the strength of competitors, or connect with fellow business owners.

St. Louis Public Library subscribes to RefUSA, one of the many high-quality web-based reference products not openly offered on the Internet.

Access to this premium web-based content from your home or business is one of the privileges of holding a St. Louis Public Library KnowBetter card.