Dun & Bradstreet presents the largest and most comprehensive database of U.S. businesses available. The database covers over 20 million U.S. businesses. This includes both public and private businesses. B2B campaigns can count on accurate multi-channel marketing data. Selections include postal, email, and telemarketing data. In addition you can choose by industry, ownership, executives, executive leadership, trigger events, SIC/NAICS, UCC and more.