IQVIA, through its OneKey database, is the leading provider of U.S. healthcare reference data and marketing lists. IQVIA verifies and maintains contact profiles for more than 9 million healthcare providers and 680,000 organizations. IQVIA's data supports research, marketing, recruitment and compliance initiatives for healthcare IT, medical device, managed care, government, education, pharmacy and other market sectors. IQVIA’s customers include many of America’s most recognized health care, life sciences, and publishing institutions. The OneKey data sents are available through flat files, APIs, certified connectors and web interfaces. A variety of pricing and licensing options are available. IQVIA is also a leader in email address data and deployment services, maintaining more than 1.3 million validated addresses for targeting physicians and other professionals.