Data-Axle Reference Solutions This link opens in a new windowReference and research tool providing instant, real-time access to accurate, in-depth information on 24 million U.S. businesses and 235 million U.S. residents. Data-Axle makes it faster and easier to find new business opportunities, research executives and companies, find news articles, conduct job searches, research papers, locate addresses and phone numbers, conduct market research and much more. Formerly known as ReferenceUSA.