McKesson MCK

HealthcareMarket cap $101B6 connections

McKesson is the world's largest pharmaceutical distributor, delivering 33% of all drugs dispensed in North America. Its network reaches 40,000+ pharmacies and 1,000+ hospitals. McKesson's cold chain logistics infrastructure for vaccines and biologics is irreplaceable national health infrastructure.

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Customers 5

Companies McKesson sells to

WalmartConsumer & Retail · $857BMcKesson distributes drugs to Walmart pharmacies
CVS HealthHealthcare · $114BMcKesson primary supplier to CVS Pharmacy
HCA HealthcareHealthcare · $85BMcKesson primary drug distributor to HCA
KrogerConsumer & Retail · $35BMcKesson supplies drugs to Kroger pharmacies
WalgreensConsumer & Retail · $10BMcKesson primary pharmaceutical supplier to Walgreens

Partners 1

Strategic partnerships, joint products and alliances

OmnicellHealthcare · $2BMcKesson and Omnicell automated pharmacy integration

Other Healthcare companies

Eli Lilly Johnson & Johnson AbbVie Novo Nordisk Merck UnitedHealth Thermo Fisher AstraZeneca Amgen Novartis

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Relationships are compiled by VexMap from company filings, announcements and reporting, and last reviewed September 2026. Spotted something wrong? Tell us. Not investment advice.