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.

Apple designs, manufactures and markets smartphones, personal computers, tablets, wearables and accessories, and sells a variety of related services. The company's products include: iPhone; Mac; iPad; and wearables, home and accessories, which includes AirPods?, Apple TV?, Apple Watch?, Beats? products, HomePod?, iPod touch? and other Apple-branded and third-party accessories. The company's services include: digital content stores and streaming services; AppleCare, which includes AppleCare + (AC+) and the AppleCare Protection Plan; iCloud, which is the company's cloud service; licensing; and other services, which include Apple Arcade?, Apple Card?, Apple News+, and Apple Pay, a cashless payment service.

Tesla designs, develops, manufactures, sells and leases electric vehicles and energy generation and storage systems, and provides services related to its products. The company operates as two reportable segments: automotive, which includes the design, development, manufacturing, sales, and leasing of electric vehicles as well as sales of automotive regulatory credits; and energy generation and storage, which includes the design, manufacture, installation, sales, and leasing of solar energy generation and energy storage products, services related to such products, and sales of solar energy system incentives.