EX-21.1 2 costex21110k83125.htm EX-21.1
Exhibit 21.1
SUBSIDIARIES OF THE COMPANY
The following is a list of subsidiaries of the Company as of August 31, 2025, omitting subsidiaries which, considered in the aggregate, would not constitute a significant subsidiary.

Subsidiaries |  | State or Other Jurisdiction of Incorporation or Organization |  | Name under Which Subsidiary Does Business
Costco Wholesale Membership, Inc. |  | California |  | Costco Wholesale Membership, Inc.
Costco Wholesale Canada Ltd. |  | Canadian Federal |  | Costco Wholesale Canada, Ltd.
NW Re Limited |  | Arizona |  | NW Re Limited
Costco Insurance Agency, Inc. |  | Washington |  | Costco Insurance Agency, Inc.
Price Costco International, Inc. |  | Nevada |  | Price Costco International, Inc.
Costco Wholesale Korea, Ltd. |  | Korea |  | Costco Wholesale Korea, Ltd.
Costco Wholesale Japan, Ltd. |  | Japan |  | Costco Wholesale Japan, Ltd.
Costco de Mexico, S.A. de C.V. |  | Mexico |  | Costco de Mexico, S.A. de C.V.
Costco Wholesale UK Limited |  | United Kingdom |  | Costco Wholesale UK Limited
Costco Wholesale Taiwan, Inc. |  | Taiwan |  | Costco Wholesale Taiwan, Inc.
Costco Wholesale Australia, Pty. Ltd. |  | Australia |  | Costco Wholesale Australia, Pty. Ltd.