Technology companies, explained.

Accenture is the world’s largest IT services and consulting firm: it designs and builds technology and AI systems for big companies and governments, then runs much of their IT and back-office operations under multi-year contracts.

Adobe sells subscriptions to creative, document and marketing software such as Photoshop, Acrobat and Experience Cloud, now with AI built in.

Alphabet runs Google Search, YouTube and Android, earning most of its money from advertising, and is building a second business in Google Cloud and AI.

Apple designs iPhone, Mac, iPad and wearables that run its own software, and earns more every year from services sold to the people who own them.

AT&T sells wireless plans and phones, fiber and fixed wireless home internet, and business connectivity across the U.S., plus mobile service in Mexico.

ByteDance makes apps for creating and watching content, such as TikTok and CapCut worldwide and Douyin and Toutiao in China, plus workplace and shopping products.

Cisco sells networking equipment, security and collaboration software and support services to businesses, governments and cloud providers, increasingly as subscriptions.

Cloudflare runs a global network in more than 330 cities that sits in front of websites, apps and company networks to make them faster and safer, and lets developers run code on it, charging about 332,000 paying customers subscription and usage fees while millions more use it free.

Corning is a 175-year-old materials-science company that makes the Gorilla Glass on phones, the glass inside TV and laptop screens, optical fiber and connectivity for telecom networks and AI data centers, plus car-exhaust ceramics, lab equipment and solar-grade polysilicon.

Dell Technologies sells AI servers, storage, networking, PCs and related services to businesses, governments and consumers, mostly through its own sales force and channel partners, and finances many of those purchases.

Dyson invents and sells premium vacuum cleaners, hair and air-care machines, owned by the Dyson family and run from Singapore.

Ericsson sells the radio equipment, software and services that mobile operators use to build and run 4G and 5G networks, earns royalties on its telecom patents, and offers enterprise connectivity and communication APIs through Vonage.

Hewlett Packard Enterprise sells servers, networking (Aruba and Juniper), storage and hybrid cloud services to businesses and governments, often as a service or financed through its own leasing arm.

Huawei is an employee-owned Chinese company that builds telecom networks, phones and smart devices, cloud and computing, digital power and smart-car components.

IBM sells hybrid cloud and AI software such as Red Hat, mainframes and servers, and the consulting that puts them to work for large organisations.

idealista runs the leading property listings portals in Spain, Italy and Portugal, where estate agents pay a recurring subscription to show homes for sale and rent to buyers and renters who search for free, and adds mortgage brokerage, agency software and holiday rentals around them.

Lenovo makes PCs, smartphones and servers, sells software and services around them, and is the world's largest PC maker, serving customers in 180 markets.

Meta runs Facebook, Instagram, WhatsApp and Messenger for free and earns almost all of its money by selling ads on them, while investing heavily in AI and in Reality Labs headsets and glasses.

Microsoft sells cloud computing, business software and AI to organisations and consumers, mostly as subscriptions and usage-based services on Azure and Microsoft 365.

monday.com sells subscriptions to a cloud platform where teams plan and run their work, from small self-serve teams to large enterprises.

Nokia, the former phone maker, now builds the optical, IP and mobile network equipment that telecom operators, cloud companies and AI data centres run on, and licenses its large portfolio of mobile patents to device makers.

OpenAI builds frontier AI models and sells them through ChatGPT subscriptions, business plans and a developer API, under the control of a nonprofit foundation.

Oracle sells databases, business applications and cloud computing, and is now building huge data centres to rent AI computing power to customers.

Orange sells mobile, fixed broadband and TV to consumers in France, Europe and Africa & Middle East, plus cloud and cybersecurity services to businesses through Orange Business.

Palantir sells software platforms (Gotham, Foundry, AIP and Apollo) that let governments and large companies connect their data, models and operations, mostly on multi-year contracts.

Pinterest is a visual search app where people save ideas and shop, and it earns almost all of its money from advertisers who reach those users.

Salesforce rents customer-relationship software such as sales, service and marketing tools by subscription, and now adds data and AI agents on the same platform.

Samsung Electronics makes memory and logic chips and display panels, and sells Galaxy smartphones, TVs and home appliances worldwide. It is both a supplier to other tech companies and a consumer brand.

SAP sells the software large organizations use to run finance, supply chain, procurement, HR and other core processes, and is shifting customers from one-off licenses to cloud subscriptions.

Securitas sells guarding, alarms and security technology to businesses in 44 markets and calls itself the world's second-largest security services provider.

ServiceNow sells subscriptions to a cloud platform that runs companies’ internal workflows, from IT help desks to HR, customer service and security, and now adds AI agents that do the work.

Shopify sells merchants the software to run an online and in-store business, then earns most of its revenue from payments and other services that grow with the sales those merchants make.

SpaceX builds reusable rockets that launch satellites, cargo and astronauts, uses them to run the Starlink satellite internet service, and since 2026 also runs the Grok AI models, the X platform and AI data centers.

T-Mobile US is America’s second-largest wireless carrier: it sells monthly phone plans, 5G home internet and fiber to households and businesses over its nationwide 5G network, and is majority-owned by Deutsche Telekom.

Verizon sells mobile plans, phones, fiber and fixed wireless home internet to U.S. consumers, and connectivity and security services to businesses and governments.

Xiaomi designs and sells smartphones, smart home devices and electric cars, links them through one software platform, and earns extra from internet services such as advertising.