McKesson vs West Pharmaceutical Services
Side-by-side comparison of AI visibility scores, market position, and capabilities
Largest US pharmaceutical distributor with $308.9B FY2024 revenue; thin-margin distribution triopoly with Cencora and Cardinal Health; US Oncology Network (1,700+ oncologists) is highest-margin segment.
About
McKesson Corporation is the largest pharmaceutical distributor in North America and a leading healthcare services company, founded in 1833 in New York City by John McKesson and Charles Olcott and now headquartered in Irving, Texas, trading on NYSE (MCK). The company reported approximately $308.9 billion in revenues for fiscal year 2024 (ending March 31, 2024) under CEO Brian Tyler, making it one of the highest-revenue companies in the United States—though the vast majority of revenues represent pass-through pharmaceutical product costs distributed to approximately 40,000 pharmacies, health systems, and medical providers across North America. McKesson operates through four segments: U.S. Pharmaceutical (the dominant distribution engine), Prescription Technology Solutions (pharmacy benefits technology including CoverMyMeds e-prior authorization), Medical-Surgical Solutions (physician office and extended care medical supply distribution), and International (primarily Canadian distribution through McKesson Canada).
West Pharmaceutical Services (WST) reported ~$3.0B revenue in FY2024. Designs packaging components and delivery systems for injectable drugs — critical for vaccine and biologic drug manufacturing. HQ: Exton, PA.
About
West Pharmaceutical Services, Inc. is the global leader in packaging components and delivery systems for injectable medications, designing and manufacturing the stoppers, closures, caps, and drug delivery systems that seal vials, syringes, and cartridges containing vaccines, biologics, and injectable drugs. Every major pharmaceutical company and biologic manufacturer relies on West's containment solutions — the small rubber stopper sealing an mRNA vaccine vial or insulin cartridge is almost certainly a West product.
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