Costco Wholesale Corporation operates a global chain of membership-only warehouse clubs, delivering high-quality goods and services at low prices to over 80 million members worldwide. Founded in 1983 and headquartered in Issaquah, Washington, the company manages approximately 910 warehouses across the United States (73% of revenue), Canada (13%), and international markets including Puerto Rico, Mexico, Japan, the United Kingdom, Korea, Australia, Taiwan, China, Spain, France, Iceland, New Zealand, and Sweden. Its merchandise spans sundries, dry groceries, candies, appliances, electronics, health and beauty aids, hardware, lawn and garden items, sporting goods, tires, toys, apparel, furniture, fresh foods like meat, produce, deli, and bakery products, plus ancillary services such as gasoline, pharmacies, optical centers, food courts, hearing aids, and tire installation. Costco Wholesale Corporation emphasizes its private-label Kirkland Signature brand and bulk purchasing model, achieving high member renewal rates of 93% in the US and Canada, and nearly 90% internationally. About 55% of fiscal 2025 revenue derives from groceries and 25% from general merchandise, solidifying its pivotal role in the discount retail sector through consistent value, quality, and operational efficiency.