McKesson Corporation is a leading healthcare services and information technology company based in the United States. Founded in 1833, McKesson has a long history of providing innovative solutions to the healthcare industry. Its headquarters are located in Irving, Texas.

McKesson offers a wide range of products and services to the healthcare industry. The company's main divisions include Pharmaceutical Distribution, Technology Solutions, and Medical-Surgical Solutions. In the Pharmaceutical Distribution segment, McKesson is one of the largest pharmaceutical wholesalers in the United States, providing prescription drugs, over-the-counter medications, and health and wellness products to pharmacies, hospitals, and other healthcare providers.

The Technology Solutions division offers software and technology solutions to healthcare organizations, helping them improve their efficiency, patient care, and financial performance. The Medical-Surgical Solutions segment supplies medical-surgical supplies and equipment to hospitals, outpatient clinics, and other healthcare providers. On a global scale, McKesson operates in more than 16 countries and has a significant presence in Canada, the UK, Ireland, and other European countries.

The company also has a number of noteworthy subsidiaries and joint ventures. Notable subsidiaries include McKesson Canada, which is one of the largest pharmaceutical distributors in Canada, and Change Healthcare, a joint venture with Change Healthcare Holdings that focuses on improving the healthcare payment and revenue cycle management systems. In terms of market position, McKesson is a leader in the healthcare services industry.

With annual revenues of over $220 billion, the company ranks as one of the largest healthcare companies in the world. McKesson faces competition from other major players in the industry, such as AmerisourceBergen and Cardinal Health. In recent years, McKesson has made several significant acquisitions and partnerships to enhance its product lineup and global presence.

In 2017, the company acquired RxCrossroads, a leading provider of specialty pharmaceutical services, to strengthen its position in the specialty pharmaceutical market. McKesson has also been actively investing in technology and digital health startups to drive innovation and improve patient care. As of the latest updates, McKesson continues to focus on expanding its global footprint and driving innovation in the healthcare industry.

The company remains committed to delivering high-quality healthcare solutions and improving patient outcomes