# Who are Pfizer Inc.'s customers? Who does Pfizer Inc. earn revenue from?
Canonical: https://valuechain.wiki/pfizer · Facet: customers · Updated: 2026-09-24T05:25:43.783123+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Pfizer Inc.'s confirmed revenue counterparties include McKesson Corporation, Cencora, Cardinal Health. Per the valuechain.wiki graph: 3 revenue edges, backed by 1 dated sources, 1 of them primary filings (as of 2026-09-24).

### 맥케슨 (high)  → /mckesson.md
- metric: Revenue share 25 percent · FY2025 · Share of Pfizer FY2025 total revenue generated from McKesson
- note: McKesson is Pfizer's largest U.S. wholesaler customer. Its share of Pfizer's total revenue increased in FY2025 from the prior year.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-26) https://www.sec.gov/Archives/edgar/data/78003/000007800326000026/pfe-20251231.htm: "McKesson, Inc. 25%."

### 센코라 (high)  → /cencora.md
- metric: Revenue share 16 percent · FY2025 · Share of Pfizer FY2025 total revenue generated from Cencora
- note: Cencora is Pfizer's second-largest U.S. wholesaler customer and accounted for a material share of FY2025 total revenue.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-26) https://www.sec.gov/Archives/edgar/data/78003/000007800326000026/pfe-20251231.htm: "Cencora, Inc. 16%."

### 카디널 헬스 (high)  → /cardinal-health.md
- metric: Revenue share 13 percent · FY2025 · Share of Pfizer FY2025 total revenue generated from Cardinal Health
- note: Cardinal Health is Pfizer's third-largest U.S. wholesaler customer and represented a double-digit share of FY2025 total revenue.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-26) https://www.sec.gov/Archives/edgar/data/78003/000007800326000026/pfe-20251231.htm: "Cardinal Health, Inc. 13%."

Reverse side: https://valuechain.wiki/pfizer/suppliers.md · Ripple: https://valuechain.wiki/pfizer/ripple.md

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Full node: https://valuechain.wiki/pfizer.md · JSON: https://valuechain.wiki/pfizer.json