Headquartered in San Francisco, McKesson Corporation is one of the largest pharmaceutical distribution companies in North America. It distributes medicines to more than more than 25,000 health care locations daily in the United States. The company also develops and installs electronic systems that eliminate the need for paper prescriptions and medical records and provide physicians with online access to patient information. Additionally, it offers decision support software that helps physicians to make clinical diagnoses and determine treatment plans. The company also provides occupational first aid and safety products, training and services. McKesson Corporation employs over 30,000 associates and also has operations in the United Kingdom, France, Australia, New Zealand, Saudi Arabia and the Netherlands.