Amazon is the largest e-commerce retailer in the world, with a market capitalization of over $1 trillion.

Alibaba is the largest e-commerce company in China, with a market capitalization of over $600 billion.

eBay is an online auction and shopping website where people can buy and sell a wide variety of goods and services.

Walmart is an American multinational retail corporation that operates a chain of hypermarkets, discount department stores, and grocery stores.

JD.com is a Chinese e-commerce company that is known for its fast delivery service.

Pinduoduo is a Chinese e-commerce platform that is known for its social media features.

Booking Holdings is an American online travel agency and metasearch engine that operates several websites, including Booking.com, Priceline.com, and Kayak.com.

DoorDash is an American online food delivery platform that allows users to order food from local restaurants.

Instacart is an American online grocery delivery service that allows users to order groceries from local stores.

Wayfair is an American online furniture and home goods retailer.

Zalando is a German online clothing and accessories retailer.

Best Buy is an American multinational consumer electronics retailer.

Barnes & Noble is an American bookseller and a Fortune 500 company.

Spotify is a Swedish audio streaming and media services provider.

Amazon Web Services (AWS) is a subsidiary of Amazon that provides on-demand cloud computing platforms and APIs to individuals, companies, and governments, on a metered pay-as-you-go basis.