5 Biggest Retail Companies in the US

4. Costco Wholesale Corporation (NASDAQ:COST)

Market Capitalization: $348.58 Billion

Costco Wholesale Corporation (NASDAQ:COST) is a global retail company headquartered in Issaquah, Washington, US. As one of the largest retailers in the world, it has stores and warehouses in 14 countries. Costco Wholesale Corporation (NASDAQ:COST) operates a chain of membership-only warehouses and retail stores that offer discounts to its members on quality merchandise. As one of the top retail companies in the US, it has a market capitalization of $348.58 billion as of March 8, 2024.

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