Walmart stores make money when they buy, making the relationship with the global retail giant a profitable and unique experience for their suppliers. The company continues to grow its operations, which as of October 2018 consisted of more than 11,700 stores in 27 countries. The company took in more than $495 billion in sales in 2017. Walmart stores sell the most goods of any retailer on the planet.

The vast majority of its suppliers are in the United States. However, the supply chain for Walmart stores is global, with suppliers in the United Kingdom, Canada, China, Mexico, Taiwan, Hong Kong, France, and other countries. Of the top five suppliers who generate large portions of their revenues from Wal-Mart, Inc., four are U.S. companies, and one is based in Japan.

Plug Power 

Plug Power (NASDAQ: PLUG) is a leading developer of hydrogen fuel cell technology. Working with companies seeking to reduce emissions, power usage, and operational costs, Plug Power offers solution packages for creating hydrogen and fueling infrastructure relying on fuel cell technology. In 2017, Plug Power derived more than 50% of its revenues from Wal-Mart.

Wal-Mart Stores, Inc. was the first large company to work with Plug Power to refine its technology and install it on a mass scale. In 2017, Walmart and PLUG penned a deal allowing Plug Power to acquire financing through Walmart in order to expand their network in a way that results in all power deals between the two to be cash flow positive from inception. Plug Power generated revenues of $103 million in 2017, and as of October 2018, it had a market capitalization of $416 million.

Funai Electric Co.

In 2018, Wal-Mart Stores, Inc. accounted for the lions share of revenues for Funai Electric Co. Ltd. (TYO: 6839). Funai Electric is a Japanese consumer electronics company based in Osaka, Japan, with a U.S.-based subsidiary in Torrance, California. Funai Electric primarily produces audiovisual equipment, including LCD TVs, DVD players, and related products.

The company markets its products under other licensed brand names, such as Sylvania, Emerson Radio, Magnavox and Phillips. Funai Electric is one of the largest suppliers of electronics to Wal-Mart, Inc. In 2017, the company generated $130.13 billion in revenues, and as of October 2018, it's market capitalization was $201.38 million.

CCA Industries

CCA Industries, Inc. (NYSEMKT: CAW) generated around 30% of its revenue from Wal-Mart stores, Inc. in 2017. CCA is a distributor of health and beauty products found in over 40,000 stores that includes toothpaste, nail treatments, hair products, and dietary products. CCA mostly sells its products through major drug and food chains, warehouse clubs, and wholesale distributors. Walmart stores have been retailers for CCA products for over 20 years. CCA generated revenues of $19.83 million in 2017, and it's market capitalization was $20.88 million.

Green Dot Corporation

Green Dot Corporation (NYSE: GDOT) is one of the originators of the prepaid debit card designed to serve unbanked and underbanked consumers. In addition to being the largest provider of reloadable prepaid debit cards, Green Dot is the largest processor of tax refund disbursements in the U.S. Green Dot has partnered with Wal-Mart Stores, Inc. since 2007 to offer the MoneyCard program to Walmart customers. In 2014, they launched the GoBank checking account. In 2018 they offered a 5% cashback debit card. Green Dot generated $573.35 million in total revenue in 2018, and it's market capitalization was $3.98 billion.

Primo Water Corporation

North Carolina based Primo Water Corporation (NASDAQ: PRMW) is one of the largest providers of refillable, self-service water dispensers, which are used at more than 25,000 retail locations. They supply Lowe's Home Improvement, The Home Depot, Meijer, Kroger, Office Depot and others. Walmart stores comprise the majority of their retail locations, generating around 40% of Primo Water’s revenue in 2017. The company generated $286.1 million of revenue in 2017, and it's market capitalization was $605.66 million.