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EX-32.1 - EXHIBIT 32.1 - COSTCO WHOLESALE CORP /NEWcostex32110k9218.htm
EX-31.1 - EXHIBIT 31.1 - COSTCO WHOLESALE CORP /NEWcostex31110k9218.htm
EX-23.1 - EXHIBIT 23.1 - COSTCO WHOLESALE CORP /NEWcostex23110k9218.htm
10-K - 10-K - COSTCO WHOLESALE CORP /NEWcost10k9218.htm


Exhibit 21.1

SUBSIDIARIES OF THE COMPANY

The following is a list of subsidiaries of the Company as of September 2, 2018, 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 Ltd.
 
Arizona
 
NW Re Ltd.
Costco Insurance Agency, Inc.
 
Washington
 
Costco Insurance Agency, Inc.
PriceCostco International, Inc
 
Nevada
 
PriceCostco 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 United Kingdom Ltd.
 
United Kingdom
 
Costco Wholesale United Kingdom Ltd.