Top Information Technology Companies in the United States

The Information Technology sector is the economic star of the United States, leading the country’s growth as well as its financial markets. Enterprise software technology is a sub-category in the Information Technology (IT) and communications sector. It is at the heart of innovation, speedily changing people’s lives and transforming business, finance, and the broader economy.

The largest American technology companies operate in a wide range of industries with products and services that disrupt traditional business methods or create new models that revolutionize entire sectors. With high-tech products and high-value-added services, actors of the tech industry are engaged in stiff competition to acquire and maintain their share in a number of highly lucrative markets.

Top 20 IT Companies in the US

1. Apple

Sector: Technology – Industry: Consumer Electronics

Headquarters: Cupertino, California

Apple Inc. designs manufacture and markets mobile phones and media devices, computers, notably the iPhone, iPad, Mac, iPod, Apple Watch, and Apple TV. The company also conceives and sells a variety of related software and services: the iPhone OS (iOS), OS X and watchOS operating systems, iCloud, and Apple Pay. Apple also sells accessories, support offerings, and third-party digital content and applications.

2. Microsoft

Sector: Technology – Industry: Software—Infrastructure

Headquarters: Redmond, Washington

Microsoft Corporation is a multinational technology company developing, manufacturing, licensing, supporting, and selling computer software, most notably the Windows operating systems, the Microsoft Office suite, internet explorer, and Edge internet browsers. It has also involved in client electronics with the Xbox video game consoles, touchscreen personal computers with Microsoft Surface, and related services.

3. T-Mobile US

Sector: Communication Services – Industry: Telecom Services

Headquarters: Bellevue, Washington

T-Mobile US, also known as just T-Mobile, could be a wireless network operator providing wireless voice and data services and host network for multiple mobile virtual network operators. T-Mobile is the third-largest wireless carrier with quite 80 million customers in the US in 2019. Its majority shareholder is Deutsche Telekom, one of the largest German companies.

4. Oracle

Sector: Technology – Industry: Software—Infrastructure

Headquarters: Austin, Texas

Oracle Corporation could be an international computer technology corporation that sells database software and technology, cloud-engineered systems, and enterprise software particularly. Notably engaged with its own brands of database management systems, Oracle provides tools for database development and Software systems, including enterprise resource planning, human capital management, customer relationship management, and supply chain management.

5. Broadcom

Sector: Technology – Industry: Semiconductors

Headquarters: San Jose, California

Broadcom INC. could be a producer of semiconductors and infrastructure software solutions for data centers, networking, software, broadband, wireless, and storage, and industrial markets. It regroups multiple subsidiaries, including Avago Technologies, LSI, Broadcom Corporation, Brocade, and CA Technologies, which are industry leaders in their field.

6. Cisco

Sector: Technology – Industry: Communication Equipment

Headquarters: San Jose, California

Cisco Systems, Inc. could be a multinational technology conglomerate developing, manufacturing, and selling networking hardware, telecommunications equipment, and other high-technology services and products. Through its multiple subsidiaries, Cisco is also specializing in Internet-of-Things, domain security, and energy management.

7. AT&T

Sector: Communication Services – Industry: Telecom Services

Headquarters: Dallas, Texas

AT&T Inc. could be a multinational conglomerate holding company. Tracing its origins to 1877, AT&T is engaged in telecommunications, it operates mobile and fixed phone services in the United States through AT&T Communications. It’s also the parent company of mass media conglomerate WarnerMedia, one of the world’s largest media and entertainment companies.

8. Salesforce

Sector: Technology – Industry: Software—Application

Headquarters: San Francisco, California

Salesforce.com, Inc. is a cloud-based enterprise software company. Especially known for its customer-relationship management (CRM) service which operates with a platform-as-a-service model, Salesforce also provides a variety of enterprise applications dedicated to customer service, marketing automation, analytics, and application development.

9. Adobe

Sector: Technology – Industry: Software—Infrastructure

Headquarters: San Jose, California

Adobe Inc. is a multinational computer software company originally focused on multimedia and creativity software products before expanding to digital marketing software. It is especially famous for its Adobe Flash web software ecosystem, Photoshop image editing software, Acrobat Reader, the Portable Document Format – PDF-and Adobe Creative Suite, and its successor Adobe Creative Cloud.

10. Intel

Sector: Technology – Industry: Semiconductors

Headquarters: Santa Clara, California

Intel Corporation, commonly known as Intel, could be a multinational corporation and technology company, especially involved in the production and sales of microprocessors and semiconductor chips powering personal computers. Intel also diversifies in different technologies, including cloud, internet of Things, computer memory, and 5G-connectivity.

11. Verizon

Sector: Communication Services – Industry: Telecom Services

Headquarters: Santa Clara, California

Verizon Communications commonly called Verizon, could be a diversified multinational telecommunications conglomerate. Verizon is engaged in a range of communications segments, including 5G, wireless networks, broadband and fiber, media and technology, internet of Things, and security.

12. Comcast

Sector: Communication Services – Industry: Entertainment

Headquarters: Philadelphia, Pennsylvania

Comcast Corporation could be a telecommunications conglomerate. One of the leaders in the US and the world, Comcast operates in broadcasting and cable TV, pay-TV, cable TV, home internet service, and home telephone service. A producer of films and television programs through its subsidiaries NBCUniversal and Universal photos, Comcast is also involved in multiple other industries through subsidiaries, including residential cable with Xfinity, commercial services through Comcast Business, and TV channels NBC, Telemundo, MSNBC, CNBC, and Sky.

13. Netflix

Sector: Communication Services – Industry: Entertainment

Headquarters: Los Gatos, California, United States

Netflix, Inc. is a company providing a video-on-demand service. Primarily operating in subscription-based streaming, Netflix offers a library of films and television programs for customers to choose from and watch when they want. Originally selling and renting DVDs, Netflix has turned to online services due to the introduction of media streaming. This allowed it to expand internationally from 2010 and to foray into the content production industry.

14. NVIDIA

Sector: Technology – Industry: Semiconductors

Headquarters: Santa Clara, California

Nvidia Corporation is a company developing graphics processing units – GPUs – for the gaming and professional markets, and “system on a chip” units – SoCs – for the mobile computing and automotive market. It operates the GeForce brand of GPUs, Tegra mobile processors, and expanded in gaming with the shield brand of handled devices, tablets, and Android TV. Nvidia now also produces chips for supercomputers, particularly powering AI and scientific research applications.

15. Facebook

Sector: Communication Services – Industry: Internet Content & Information

Headquarters: Menlo Park, California

Facebook, Inc. is an online social media and social networking service. Originally limited to students, Facebook has step by step opened its services to anyone above 13 years old, reaching now more than 2 billion across the world. It can be accessed through any device connected to the web and allows users to customize profiles, post text, photos, and which that is shared with their friends on Facebook. They can also join interest groups, receive messages and notifications, and use various other embedded applications.

16. Alphabet

Sector: Communication Services – Industry: Internet Content & Information

Headquarters: Mountain View, California

Alphabet inc. is a multinational technology conglomerate, created from the corporate restructuring of Google, which is now its subsidiary together with several other services. The Google search engine, advertising business, and associated services are the biggest part of Alphabet’s activities, with other subsidiaries including Calico (biotechnology), Chronicle (cybersecurity), DeepMind (artificial intelligence), GV (venture capital), CapitalG (private equity), X (R&D), Google Fiber (fiber internet services), Jigsaw (tech incubator), Makani (wind turbines), sidewalk Labs (urban innovation), Verily (life sciences), Waymo (self-driving tech), Wing (drone-based delivery) and Loon (internet provider via stratospheric balloons).

17. Amazon

Sector: Consumer Cyclical – Industry: Internet Retail

Headquarters: Seattle, Washington

Amazon is a multinational technology company focused on e-commerce, cloud computing, digital streaming, and AI. It started as an online bookstore that later diversified to a wide array of products. Amazon has become the oppose leader of e-commerce in the US, and after having expanded to many countries, it’s also developed further into brick-and-mortar retail with the acquisition of Whole Foods Market, as well as publishing, electronics, cloud computing, video streaming, and production, among different investments.

18. IBM

Sector: Technology – Industry: Information Technology Services

Headquarters: Armonk, New York

Founded in 1911, the International Business Machines Corporation, better known as IBM, could be a multinational information technology company operating in more than 170 countries. Producing and promoting computer hardware, middleware, and software and providing hosting and consulting services, IBM is also a major technology research organization.

19. ServiceNow

Sector: Technology – Industry: Software—Application

Headquarters: Santa Clara, California

ServiceNow is a technical management service supplier. Functioning as a Platform-as-a-service supplier, it delivers services including Information Technology workflows and service management, employee and HR services, customer service management as well as an application building ecosystem. It levies fees with a cost per user structure, allowing businesses of all sizes to use its platform.

20. Intuit

Sector: Technology – Industry: Software—Application

Headquarters: Mountain View, California

Intuit Inc. is a software company specialized in financial, accounting, and tax preparation software and related services. It is particularly famous for producing TurboTax, a consumer tax preparation application, QuickBooks, a small business accounting program, and in operating Mint, a personal finance application, among others.

Top Information Technology Companies in the United States