Walmart

Walmart has opened thousands of stores in the U.S. and expanded internationally. It operates approximately 10,500 stores and clubs under 48 banners in 24 countries and eCommerce websites. We employ 2.2 million associates around the world — nearly 1.6 million in the U.S. alone.
Amazon

Amazon is the top overall grocery retailer in the U.S. Plus, Amazon Fresh—which includes our grocery stores and delivery and pickup services—made a strong debut, placing fifth among 58 U.S. grocers on the list compiled by Dunnhumby, a global customer data science and analysis firm.
The Kroger Co
The Kroger Co. is one of the largest retailers in the United States based on annual sales.
- Committed $2.5 billion to support and safeguard associates, customers, and communities, which includes the UFCW pension commitments.
- Cost savings exceeded $1 billion for third consecutive year.
- Cost savings exceeded $1 billion for third consecutive year.
The Home Depot
The Home Depot is the world’s largest home improvement retailer with approximately 500,000 orange-blooded associates and 2,300 stores in the U.S., Canada and Mexico. The typical store today averages 105,000 square feet of indoor retail space, interconnected with an e-commerce business that offers more than one million products.
Costco Wholesale
Costco Wholesale is a multi-billion dollar global retailer with warehouse club operations in eight countries. Costco warehouses carry about 4,000 SKUs (stock keeping units) compared to the 30,000 found at most supermarkets.