Costco Wholesale Corporation operates membership warehouses in the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, Korea, Australia, Spain, France, Iceland, China, and Taiwan through its subsidiaries. Costco Wholesale Corporation is situated in Issaquah, Washington, and was formed in 1976. This page includes updated, current costco ESG score from the leading ESG ratings providers, which also consider costco subsidiaries when calculating those ESG ratings. Also, there is access to costco sustainability reports, published by costco as the annual Impact Report.