McKesson Corporation LAST VERIFIED: August 7, 2026

McKesson Corporation is one of the largest pharmaceutical distributors in North America, founded in 1833 and headquartered in Irving, Texas, at its Las Colinas campus. A Fortune-scale public company traded on the NYSE under MCK, it distributes pharmaceuticals, medical-surgical supplies, and oncology and specialty solutions, and provides pharmacy services and technology. Its ecosystem includes roughly 4,000 Health Mart pharmacies, Sarah Cannon Research Institute, and CoverMyMeds, and its Medical-Surgical unit is rebranding to Wellverse. With nearly two centuries of history, it operates at a scale few distributors anywhere can match, serving healthcare customers across the United States and Canada.

McKesson sells through contracted B2B distribution to pharmacies, providers, and health systems; an account as a contracted healthcare customer is required, and there is no open ecommerce for general buyers. The site does not state a minimum order quantity, minimum order value, or payment methods, since commercial terms are set by contract rather than published. Logistics capacity is substantial: more than 344 US distribution facilities handling roughly 40,000 deliveries per day across the US and Canada. Dropshipping support is not stated and is not relevant to this contracted healthcare model, which excludes casual resellers by design.

For its intended audience — pharmacies, health systems, and providers — McKesson is about as established as a supplier gets: a publicly traded company with nearly 200 years of history, national infrastructure, and deep specialty capabilities. The record lists no red flags. The caveats are about access rather than trust: this is contract-only healthcare distribution, so independent resellers, exporters, and general-merchandise buyers sit outside its customer base entirely. Pricing and terms are negotiated, not published, so smaller organizations should expect a formal onboarding process, and prospective customers should confirm eligibility and licensure requirements before investing time in an application.