Amazon.com serves consumers through its online and physical stores. The company also manufactures and sells electronic devices, including Kindle, Fire tablet, Fire TV, Echo, and Ring, and the company develops and produces media content. The company operates customer service centers and provides programs that enable sellers to grow their businesses, sell their products in its stores, and fulfill orders through the company The company serves developers and enterprises of various sizes, including start-ups, government agencies, and academic institutions, through its Amazon Web Services segment, which provides a set of global compute, storage, database, and other service offerings. The company also provides services, such as advertising.

Best Buy provides computing and mobile phones, consumer electronics, appliances, entertainment, services and other products. The company operates two reportable segments: Domestic, which is comprised of the operations in all states, districts and territories of the U.S. under various brand names including Best Buy, bestbuy.com, Best Buy Direct, Best Buy Express, Best Buy Mobile, Geek Squad, GreatCall, Magnolia and Pacific Kitchen and Home; and International, which is comprised of all operations in Canada and Mexico under the brand names Best Buy, Best Buy Express, Best Buy Mobile, Geek Squad and the domain names bestbuy.ca and bestbuy.com.mx.

Costco Wholesale and its subsidiaries are principally engaged in the operation of membership warehouses based on the concept of providing its members low prices on a selection of nationally branded and private-label products. The company's merchandise are: food and sundries, which include dry foods, packaged foods, and groceries, snack foods, candy, alcoholic and nonalcoholic beverages, and cleaning supplies; hardlines, which include appliances, electronics, health and beauty aids, hardware, and garden and patio; fresh food, which include meat, produce, deli, and bakery; softlines, which include apparel and small appliances; and ancillary, which include gas stations and pharmacy businesses.

eBay is a global commerce provider, which includes its Marketplace, StubHub and Classifieds platforms. The company's Marketplace platforms include its online marketplace located at www.ebay.com, its localized counterparts and the eBay suite of mobile apps. The company's StubHub platforms include its online ticket platform located at www.stubhub.com, its localized counterparts and the StubHub mobile apps. These platforms connect fans with their favorite sporting events, shows and artists and enable them to buy and sell tickets whenever and wherever they want. The company's Classifieds platforms include a collection of brands such as mobile.de, Kijiji, Gumtree, Marktplaats, eBay Kleinanzeigen and others.

Etsy provides sellers a marketplace with buyers along with a range of seller tools and services that are specifically designed to help its creative entrepreneurs generate more sales and scale their businesses. The company's platform includes the Etsy and Reverb Holdings, Inc. (Reverb) online marketplaces, its seller tools and services, its engaged sellers and buyers, and its technology. The company's primary marketplace, Etsy.com, is where buyers come to discover a selection of goods that are hard to find elsewhere. Reverb, the company's subsidiary, operates as a standalone marketplace. This two-sided marketplace connects buyers and sellers of new, used, and vintage musical gear from all over the world.

The Home Depot is a home improvement retailer. The company provides its customers an assortment of building materials, home improvement products, lawn and garden products, and decor products and provides a number of services, including home improvement installation services and tool and equipment rental. The company also maintains a network of distribution and fulfillment centers, as well as a number of e-commerce websites. The company provides a number of programs for its Professional Customers to meet their particular needs, and for its Do-It-Yourself and Do-It-For-Me customers, the company provides a number of installation services. The company also provides tool and equipment rentals for its customers.

Wayfair is a holding company. Through its e-commerce business model, the company provides customers with browsing, merchandising and product discovery for products from various suppliers. The company has online selections of furniture, decor, decorative accents, housewares, seasonal decor and other home goods. The company's mobile app also provides customers a way to shop for their home from their home using its View in Room 3D augmented reality tool. The company's sites include: Wayfair, Joss & Main, AllModern, Birch Lane, and Perigold. Wayfair is the only one of the company's sites that also operates internationally, operating as Wayfair.ca in Canada, Wayfair.co.uk in the U.K. and Wayfair.de in Germany.