COST

Costco Wholesale Corp. is a multinational membership-only warehouse club offering merchandise at discounted prices to paying members. Headquartered in Issaquah, Washington, Costco operates over 850 warehouses worldwide across the United States, Canada, Mexico, and several other countries. The company sells a wide range of products including groceries, electronics, appliances, automotive supplies, and services like pharmacy, optical, and fuel stations. Costco's business model relies on high sales volume, rapid inventory turnover, and membership fee revenue rather than high product margins. It is one of the world's largest retailers and consistently ranks among the top U.S. corporations by revenue.