Microsoft develops and licenses consumer and enterprise software. It is known for its Windows operating systems and Office productivity suite. The company is organized into three overarching segments: productivity and business processes (legacy Microsoft Office, cloud-based Office 365, Exchange, SharePoint, Skype, LinkedIn, Dynamics), intelligence cloud (infrastructure- and platform-as-a-service offerings Azure, Windows Server OS, SQL Server), and more personal computing (Windows Client, Xbox, Bing search, display advertising, and Surface laptops, tablets, and desktops). Through acquisitions, Microsoft owns Xamarin, LinkedIn, and GitHub. It reports revenue in product and service and other revenue on its income statement.

Amazon is among the world's highest-grossing online retailers, with $233 billion in net sales and $408 billion in estimated global gross merchandise volume (GMV) in 2018. Online product and digital media content sales accounted for 53% of net revenue in 2018, followed by commissions, related fulfillment and shipping fees, and other third-party seller services (18%), Amazon Web Services' cloud compute, storage, database, and other offerings (11%), Prime membership fees and other subscription-based services (6%), product sales at Whole Foods and other physical store retail formats (7%), and advertising services and cobranded credit cards (4%). International segments constituted 32% of Amazon's non-AWS sales in 2018, led by Germany, the United Kingdom, and Japan.

Apple designs a wide variety of consumer electronic devices, including smartphones (iPhone), tablets (iPad), PCs (Mac), smartwatches (Watch), and TV boxes (Apple TV), among others. The iPhone makes up the majority of Apple's total revenue. In addition, Apple offers its customers a variety of services such as Apple Music, iCloud, AppleCare and Apple Pay, among others. Apple's products run internally developed software and semiconductors, and the firm is well known for its integration of hardware, software and services. Apple's products are distributed online as well as through company-owned stores and third-party retailers. The company generates about 40% of its revenue from the Americas, with the remainder earned internationally.

Alphabet is a holding company, with Google, the Internet media giant, as a wholly owned subsidiary. Google generates 99% of Alphabet revenue, of which more than 85% is from online ads. Google's other revenue is from sales of apps and content on Google Play and YouTube, as well as cloud service fees and other licensing revenue. Sales of hardware such as Chromebooks, the Pixel smartphone, and smart homes products, which include Nest and Google Home, also contribute to other revenue. Alphabet's moonshot investments are in its other bets segment, where it bets on technology to enhance health (Verily), faster Internet access to homes (Google Fiber), self-driving cars (Waymo), and more. Alphabet's operating margin has been 25%-30%, with Google at 30% and other bets operating at a loss.

Alphabet is a holding company, with Google, the Internet media giant, as a wholly owned subsidiary. Google generates 99% of Alphabet revenue, of which more than 85% is from online ads. Google's other revenue is from sales of apps and content on Google Play and YouTube, as well as cloud service fees and other licensing revenue. Sales of hardware such as Chromebooks, the Pixel smartphone, and smart homes products, which include Nest and Google Home, also contribute to other revenue. Alphabet's moonshot investments are in its other bets segment, where it bets on technology to enhance health (Verily), faster Internet access to homes (Google Fiber), self-driving cars (Waymo), and more. Alphabet's operating margin has been 25%-30%, with Google at 30% and other bets operating at a loss.

Facebook is the world's largest online social network, with more than 2 billion monthly active users. Users engage with each other in different ways, exchanging messages and sharing news events, photos, and videos. On the video side, the firm is in the process of building a library of premium content and monetizing it via ads or subscription revenue. Facebook refers to this as Facebook Watch. The firm's ecosystem consists mainly of the Facebook app, Instagram, Messenger, WhatsApp, and many features surrounding these products. Users can access Facebook on mobile devices and desktop. Advertising revenue represents more than 90% of the firm's total revenue, with 50% coming from the U.S. and Canada, and 25% from Europe. With gross margins above 80%, Facebook operates at a 40%-plus margin.

Visa is the largest payment processor in the world. In fiscal 2018, it processed $8.2 trillion in purchase transactions. Visa operates in over 200 countries and processes transactions in over 160 currencies. Its systems are capable of processing over 65,000 transactions per second.

JPMorgan Chase is one of the largest and most complex financial institutions in the United States, with more than $2.5 trillion in assets. It is organized into four major segments--consumer and community banking, corporate and investment banking, commercial banking, and asset and wealth management. JPMorgan operates, and is subject to regulation, in multiple countries.

Johnson & Johnson is the world's largest and most diverse healthcare company. Three divisions make up the firm: pharmaceutical, medical devices and diagnostics, and consumer. The drug and device groups represent close to 80% of sales and drive the majority of cash flows for the firm. The drug division focuses on the following therapeutic areas: immunology, oncology, neurology, pulmonary, cardiology, and metabolic diseases. The device segment focuses on orthopedics, surgery tools, vision care, and a few smaller areas. The last segment of consumer focuses on baby care, beauty, oral care, over-the-counter drugs, and women's health. Geographically, close to half of total revenue is generated in the United States.

America's largest retailer by sales, Walmart operates over 11,300 stores under 58 banners, selling a variety of general merchandise and grocery items. Its home market accounted for 76% of sales in fiscal 2019, with Mexico and Central America (6%), the United Kingdom (6%), and Canada (4%) its largest external markets. In the United States, around 56% of sales come from grocery, 33% from general merchandise, and 11% from health and wellness items. The company operates several e-commerce properties apart from its eponymous site, including Flipkart, Jet.com, and shoes.com (it also owns a roughly 10% stake in Chinese online retailer JD.com). Combined, e-commerce accounted for about 5% of fiscal 2019 sales.