McKesson Corporation (MCK) is one of the largest healthcare services companies globally. It specializes in the distribution of pharmaceuticals and healthcare equipment. McKesson plays a crucial role in the healthcare supply chain, ensuring the efficient and secure movement of medications from manufacturers to pharmacies, hospitals, and other healthcare facilities. In addition to distribution, the company is also involved in providing technology solutions and services to optimize processes in the healthcare sector. Shares of McKesson Corporation (MCK) are traded on public exchanges and are closely monitored by investors in the healthcare industry.