EX-21 3 mck_exhibit21x3312023.htm EX-21
Exhibit 21
SUBSIDIARIES OF THE REGISTRANT
There is no parent of the Company. The following is a listing of the significant subsidiaries of the Company.

| JURISDICTION OF ORGANIZATION
Canada Distribution Holdings Limited Partnership | Canada
McKesson Global Procurement & Sourcing Limited | United Kingdom
McKesson International Bermuda IP2A Limited | Bermuda
McKesson International Bermuda IP3A Limited | Bermuda
McKesson International Holdings Unlimited Company | Ireland
McKesson Medical-Surgical Holdings Inc. | United States
McKesson Medical-Surgical Inc. | United States
McKesson Medical-Surgical Top Holdings Inc. | United States
McKesson Plasma and Biologics LLC | United States
McKesson Specialty Care Distribution LLC | United States
McKesson UK Finance I Limited | United Kingdom
McKesson UK Finance II Limited | United Kingdom
McKesson US Finance Corporation | United States
US Oncology Holdings, Inc. | United States
US Oncology, Inc. | United States