Quintiles IMS Holdings (formerly Quintiles Transnational) has plenty to CRO about. One of the world's largest contract research organizations (CROs), it helps pharmaceutical, biotechnology, and medical device companies develop and sell their products. The firm provides a comprehensive range of clinical trials management services, including patient recruitment, data analysis, laboratory testing, and regulatory filing assistance. Its consulting unit offers strategic advice at every stage of drug discovery and development, and its capital and commercial divisions assist with project funding and sales and marketing efforts. Quintiles merged with IMS Health in 2016 to create a $23 billion life science company.