Merck & Co., Inc. is a pharmaceutical company based in the United States that specializes in developing products to treat various conditions such as cardiometabolic disease, cancer, and infections. With a strong focus on ESG, Merck's immuno-oncology platform is a key driver of sales. The company also has a significant vaccine business targeting pediatric diseases and HPV. In addition, Merck provides animal health-related drugs. Despite being a medium-risk investment with an ESG score of 21.1, Merck generates nearly half of its sales in the United States.