Top 40 largest US Tech Companies 2020

Largest US Tech companies

Technology companies – IT and telecommunications are centers of innovation that dynamically change people’s lives, businesses, finances and the wider economy around the world. However, in this article we will focus on the US tech sector, which is the country’s economic star. The latest solutions, carried out by the largest American technology companies, operate in so many industries that they definitely change traditional methods of doing business. They introduce or create new models for the functioning of entire sectors of many other companies. High-tech products and services are of high value, therefore entities from the technology industry conduct fierce competition to gain and maintain their shares in profitable markets. The battle is for market share and it is fierce. In many tech industries, there is a “winner takes all” law so the dominant player gets the bulk of the profits. The American top five tech companies Microsoft, Apple, Amazon, Google and Facebook are proof of this with their unmatched dominance over their own core businesses: office software, smartphones, e-commerce, search engines, and social media.

Below, we present you the he list of the Top40 largest US tech companies:

1. Apple (AAPL)

The company was founded by Steven Paul Jobs, Ronald Gerald Wayne and Stephen G. Wozniak on April 1, 1976 and is headquartered in Cupertino, California. Currently, the company is engaged in the design, manufacture and sale of smartphones, personal computers, tablets, wearables and accessories and other various related services. Its products and services include iPhone, Mac, iPad, AirPods, Apple TV, Apple Watch, Beats products, AppleCare, iCloud, digital content stores, streaming and licensing services. The number of Apple Inc employees is 137,000. Industry: Computer Hardware

2. Microsoft (MSFT)

The company was founded by Paul Gardner Allen and William Henry Gates III in 1975 and is headquartered in Redmond, Washington. Microsoft Corp. is involved in the development and operation of software, services, devices and solutions. The company offers operating systems; productivity applications on various devices; server applications; business solution applications; desktop and server management tools; software development tools; Video games; personal computers, tablets; game and entertainment consoles; other smart devices; and related accessories. The number of Microsoft Corp. employees is 144,000. Industry: IT Software & Services

3. Amazon (AMZN)

The company was founded by Jeffrey P. Bezos in July 1994 and is based in Seattle, Washington., Inc. engages in providing online retail shopping services. It operates through the following business segments: Amazon Web Services (AWS), North America and International. The Amazon Web Services segment includes global sales of computing, storage, database and AWS services to startups, enterprises, government agencies, and academia. The North America segment includes Retail Sales of Consumer Products and subscriptions through North America websites such as and The international segment offers retail sales of consumer products and subscriptions via international websites. The number of Amazon employees stands for 798,000 people. Industry: Retailer

4. Alphabet (GOOGL)

The company was founded by Lawrence E. Page and Sergey Mikhaylovich Brin on October 2, 2015 and is headquartered in Mountain View, California. Alphabet, Inc. is a holding company that deals with the purchase and service of various companies. The number of Alphabet Inc employees is 118,899. Industry: IT Software & Services

5. Facebook (FB)

The company was founded by Mark Elliot Zuckerberg, Dustin Moskovitz, Chris R. Hughes, Andrew McCollum, and Eduardo P. Saverin on February 4, 2004 and is based in Menlo Park, California. Facebook Inc is an American social media conglomerate corporation. Facebook offers other products and services beyond its social media platform, including Facebook Messenger, Facebook Watch, and Facebook Portal. He also bought Instagram, WhatsApp, Oculus VR, Giphy and Mapillary and owns a 9.9% stake in Jio Platforms. The number of Facebook employees stands for 44,942 people. Industry: IT Software & Services 6. Visa (VISA)

Visa Inc is an American company and membership organization dealing with the issuance of payment cards, founded in 1958 under the name BankAmericard. The name “Visa” was coined by Dee Hock – the founder of the corporation. He believed that the word was universally recognized in many languages, and thus would facilitate the acceptance of the card. The current expanded name of the corporation has become a recursive acronym. Visa facilitates electronic money transfers around the world, most often via Visa credit cards, debit cards and prepaid cards. The number of Visa Inc employees is above 19,500 people. Industry: Financial services

7. Mastercard (MC)

Mastercard Inc is an American multinational financial services corporation headquartered at Mastercard International’s headquarters in Purchase, New York, USA. Throughout the world, its principal business is to process payments between the banks of merchants and the card-issuing banks or credit unions of the purchasers who use the “Mastercard” brand debit, credit and prepaid cards to make purchases. The number of employees stands for 18,600 people. Industry: Financial services

8. Intel (INTC)

Intel Corp. deals with the design, production and sale of computer products and technologies. The company was founded by Robert Norton Noyce and Gordon Earle Moore on July 18, 1968 and is headquartered in Santa Clara, California. Provides computer, network, data storage and communication platforms.  The number of Intel Corp. employees: 110,800. Industry: Semiconductors

9. AT&T (ATT)

AT&T, Inc. is a holding company that provides services in the field of media and telecommunications technologies. AT&T was founded on March 3, 1885 with the aim of creating a nationwide telephone network.It operates under the following segments: Communications, WarnerMedia, Latin America and Xandr. The number of AT&T employees stands for 246,000 people. Eleven employees of this corporation won the Nobel Prize.  Industry: Telecommunications Services

10. Verizon Communications (VZ)

The company was founded in 1983 and is headquartered in New York, New York. This holding company is dedicated to providing communications, information and entertainment products and services to consumers, businesses and government agencies. It operates through the Verizon Business Group (business) and Verizon Consumer Group (consumer) segments. The business segment offers wireless and wired communication services and products; video and data services; corporate network solutions; Security and managed network services; local and long distance voice services; and network access to deliver various Internet of Things (IoT) services and products. The consumer segment provides customer-oriented wireless and wired communication services and products. The number of Verizon Communications employees stands for 135,000 people. Industry: Telecommunications Services

11. Cisco Systems (CSCO)

Cisco Systems, Inc. deals with the design, production and sale of internet protocol-based network products and services related to the communication and IT industry. The company was founded by Sandra Lerner and Leonard Bosack on December 10, 1984 and is headquartered in San Jose, California. The number of Cisco System employees stands for 75,900 people. Industry: Technology Hardware & Equipment

12. Comcast Corporation (CMCSK)

It is the second-largest cable and broadcasting company in the world by revenue and the largest pay-TV company, the largest cable company and largest home Internet service provider in the United States, and the third-largest home telephone provider in the country. Comcast produces feature films and television programs for theater and terrestrial and cable television, respectively. The company was founded in 1963 (American Cable Systems (1963–1969), Comcast Holdings (1969–2001)). The number of Comcast Corp. employees stands for 190,000 people. Industry: Cable & Satellite

13. Adobe (ADBE)

Adobe is committed to providing digital marketing and media solutions. It operates in the following segments: Digital Media, Digital Experience and Publishing. The company was founded by Charles M. Geschke and John E. Warnock in December 1982 and is based in San Jose, California.
The number of Adobe employees stands for 22,635 people. Industry: IT Software & Services

14. Oracle (ORCL)

The company was founded by Lawrence Joseph Ellison, Robert Nimrod Miner, and Edward A. Oates on June 16, 1977 and is headquartered in Redwood City, California. Oracle Corp. is committed to delivering products and services that address all aspects of corporate information technology environments. The number of Oracle employees stands for 135,000 people. Industry: IT Software & Services

15., Inc. (CRM) Inc. is involved in the design and development of cloud-based enterprise software for customer relationship management. The company was founded by Marc Russell Benioff, Parker Harris, David Moellenhoff and Frank Dominguez in February 1999 and is headquartered in San Francisco, California. Its solutions include the Salesforce platform, marketing automation, sales force automation, customer service and support, industry solutions, digital commerce, community management.  The number of Salesforce employees stands for 49,000 people. Industry: IT Software & Services


NVIDIA Corp. deals in the design and production of computer graphics processors, chipsets and related multimedia software. The company was founded by Jen-Hsun Huang, Chris A. Malachowsky and Curtis R. Priem in January 1993 and is headquartered in Santa Clara, California. The number of Nvidia employees stands for 18,100 people.  Industry: Semiconductors

17. Netflix (NFLX)

FirmNetflix, Inc. is a company that provides streaming entertainment services that are provided by subscribing to an Internet streaming movie and TV episode service. The company was founded by Marc Randolph and Wilmot Reed Hastings Jr. August 29, 1997 and is headquartered in Los Gatos, California. The number of Netflix employees stands for 8,600 people. Industry: Media

18. PayPal (PYPL)

The company manages a two-sided, proprietary global technology platform that connects customers. Its customers include both merchants and consumers to facilitate the processing of payment transactions. The solutions of this platform include PayPal, PayPal Credit, Braintree, Venmo, Xoom and Paydiant. The company was founded in December 1998 and is headquartered in San Jose, California. The number of PayPal employees stands for 21,800 people. Industry: Business Services & Supplies

19. International Business Machines Corp. (IBM)

International Business Machines Corp. is an IT company that provides integrated solutions using information technologies and knowledge of business processes. The company was founded by Charles Ranlett Flint and Thomas J. Watson Sr. June 16, 1911, and is based in Armonk, New York. The number of International Business Machines Corp. employees stands for 383,800 people. Industry: IT Software & Services

20. Broadcom Inc. (BCM)

Broadcom Inc. is a global infrastructure technology leader built on 50 years of innovation, collaboration and engineering excellence. Broadcom’s category-leading product portfolio serves critical markets including data center, networking, software, broadband, wireless, storage and industrial.  The number of Broadcom employees stands for 19,000 people. Industry: Semiconductors Website:

21. Texas Instruments Inc. (TXN)

The company was founded by Cecil H. Green, Patrick Eugene Haggerty, John Erika Jonsson and Eugene McDermott in 1930 and is headquartered in Dallas, Texas. Texas Instruments Incorporated designs and manufactures semiconductor solutions for analog and digital embedded processing and applications. The number of Texas Instruments stands for 29,888 people. Industry: Semiconductors

22. Charter Communications (CHRT)

Charter Communications, Inc. (NASDAQ:CHTR) is a leading broadband connectivity company and cable operator serving more than 30 million customers in 41 states through its Spectrum brand. Over an advanced communications network, the company offers a full range of state-of-the-art residential and business services including Spectrum Internet®, TV, Mobile and Voice. The number of Charter Communications stands for 95,000 people. Industry: Cable & Satellite


The company was founded by Franklin P. Antonio, Adela A. Coffman, Andrew Cohen, Klein Gilhousen, Irwin Mark Jacobs, Andrew J. Viterbi and Harvey P. White in July 1985 and is headquartered in San Diego, California. QUALCOMM, Inc. deals with the development, design and delivery of digital telecommunications products and services. The number of Qualcomm employees stands for 37 000 people. Industry: Semiconductors

24. Fidelity National Information (FIS)

The company was founded in 1968 and is headquartered in Jacksonville, Florida. Fidelity National Information Services, Inc. operates in the field of technology, solutions and services for traders, banks and capital markets. The number of FIS employees stands for 55 000 people. Industry: Business Services & Supplies

25. Fiserv (FISV)

The company was founded by Leslie M. Mum and George D. Dalton on July 31, 1984 and is headquartered in Brookfield, WI. Fiserv, Inc. engages in providing financial services technology. The spectrum of the company’s activities includes services related to electronic payments, payment cards, invoice solutions, bank account processing systems and others. The number of Fiserv employees stands for 44 000 people. Industry: Business Services & Supplies

26. Intuit  (INTU)

The company was founded in 1983 by Scott Cook and Tom Proulx in Palo Alto, California. Intuit Inc. is a software development company that specializes in finance, accounting and tax software, and related services. It is especially known for the production of TurboTax, an application for preparing consumer taxes, QuickBooks, an accounting program for small businesses, and Mint, an application for personal finance. The number of Intuit  employees stands for 9,400 people. Industry: Application Software

27. Automatic Data Processing (ADP)

Automatic Data Processing, Inc. deals with the provision of business outsourcing solutions and specializes in managing human capital in the cloud. It operates within the following business segments: Employer service; and the services of a professional employers’ organization; and others. The company was founded by Henry Taub in 1949 and is based in Roseland, New Jersey. The number of Automatic Data Processing employees stands for 58,000 people. Industry: Business Services & Supplies

28. T-Mobile US (TMUS)

The company was founded in 1994 and is based in Bellevue, Washington. T-Mobile US, Inc. deals with the provision of wireless communication services under the brands T-Mobile and MetroPCS. The company offers subscription and prepaid wireless voice, messaging, data and wholesale wireless services. The number of T-Mobile US employees stands for 53,000 people. Industry: Telecommunications 

29. ServiceNow (SRVN)

ServiceNow was founded as Glidesoft, Inc. in 2003 by Fred Luddy (the previous CTO of software companies Peregrine Systems and Remedy Corporation), and later incorporated in California in 2004. ServiceNow is a platform-as-a-service provider, providing technical management support, such as IT service management, for large corporations’ IT operations, including help desk functionality. The number of ServiceNow  employees stands for 11,000 people. Industry: Enterprise software

30. Micron Technology (MU)

Micron Technology, Inc. is committed to providing innovative solutions in the field of memory and storage. The company was founded by Ward D. Parkinson, Joseph L. Parkinson, Dennis Wilson and Doug Pitman in October 1978 and is based in Boise, Idaho. The number of Micron Technology  employees stands for 37,000 people. Industry: Semiconductors

31. HP (HPQ)

The company was founded by William R. Hewlett and David Packard in 1939 and is headquartered in Palo Alto, California. HP Inc. deals with the provision of personal computers and other access devices, imaging and printing products, and related technologies, solutions and services. It operates through the following business segments: Print, Personal Systems and Corporate Investments.  The number of HP employees stands for 56,000 people. Industry: Technology Hardware & Equipment

32. Dell Technologies (DELL)

Dell Technologies, Inc. is a holding company that provides IT hardware, software and service solutions through its subsidiaries. The company was founded by Michael Saul Dell in 1984 and is based in Round Rock, Texas. The number of  Dell Technologies employees stands for 165,000 people. Industry: Technology Hardware & Equipment

33. VMware (VMW)

The company was founded by Diane Greene, Mendel Rosenblum, Scott Devine, Edward Wang and Edouard Bugnion in 1998 and is headquartered in Palo Alto, California. VMware, Inc. is involved in providing cloud infrastructure and business mobility. It supports the modernization of data centers, the integration of public clouds, the strengthening of digital workspaces and the change of security. VMware products include software defined data centers, hybrid cloud computing and end user computing. The number of VMware, Inc.  employees stands for 31,000 people. Industry: IT Software & Services

34. Cognizant Technology Solutions Corp. (CTSH)

The company was founded by Wijeyaraj Kumar Mahadeva and Francisco D’Souza in 1994 and is based in Teaneck, New Jersey. Cognizant Technology Solutions Corp. deals with the provision of IT, consulting and business process outsourcing services. The number of Cognizant Technology Solutions Corp. employees stands for 281,500 people. Industry: IT Software & Services

35. DISH Network (DISH)

The company was founded by Charles W. Ergenc, Cantay W. Ergenc, and James DeFranco in 1980 and is based in Englewood, Colorado. DISH Network Corp. is a holding company providing pay TV services. It operates through the Pay-TV and Wireless segments. The number of DISH Network Corp. employees stands for 16,000 people. Industry: Media

36. Analog Devices (ADI)

The company was founded by Raymond P. Stat and Matthew Lorber in 1965 and is headquartered in Norwood, Massachusetts. Its products include industrial process control systems, medical imaging equipment, aviation and defense electronics, factory process automation systems, energy management systems, patient vital signs monitoring devices, instrumentation and measurement systems, wireless infrastructure equipment, network equipment, optical systems, cars and portable consumer devices. The number of Analog Devices employees stands for 16,400 people. Industry: Semiconductors

37. Lam Research (LRCX)

The company was founded by David Lam on January 21, 1980 and is based in Fremont, California. Lam Research Corp. engaged in the production and servicing of semiconductor production equipment for wafer processing. Offers thin layer deposition, plasma etching, photoresist strip and wafer cleaning. The number of Lam Research Corp. employees stands for 10,700 people. Industry: Semiconductors

38. Hewlett Packard Enterprise (HPE)

Hewlett Packard Enterprise Co. is involved in providing information technologies, technologies as well as products, solutions and services for enterprises. The company was founded in 1939 and is headquartered in San Jose, California.  The number of Hewlett Packard Enterprise Co. employees stands for 61,600 people. Industry: Technology Hardware & Equipment

39. Fortive (FTV)

Fortive Corp. is a diversified industrial development company that deals with the design, development, production and marketing of employees and engineering products, software and services at various endpoints. The company was founded on November 10, 2015 and is based in Everett, Washington. The number of Fortive Corp. employees stands for 25,000 people. Industry: Technology Hardware & Equipment

40. Corning (GLW)

The company was founded by Amory Houghton Sr. in 1851 and is headquartered in Corning, New York. Corning, Inc. develops and produces special glass and ceramics. Provides glass for notebook computers, desktop flat monitors, televisions, and other information display applications; operator networks and enterprise network products for the telecommunications industry; ceramic substrates for gasoline and diesel engines in the automotive and heavy vehicle markets; laboratory products for the scientific community and specialized polymer products for biotechnology applications; advanced optical materials for the semiconductor industry and research community; and other technologies. The number of Corning, Inc. employees stands for 49,500 people. Industry: Technology Hardware & Equipment

Many of these companies started with varying levels of opportunity, experience, financial resources, and conditions. Over the years, they are growing unexpectedly, both in terms of profits and the number of employees. A significant number of companies are ranked among the best employers in the world. There are brilliant people working in them, some could even be called geniuses.
The perspective of the next decades looks interesting, although there are two sides to this coin. The Big Five has had a political and market influence with their actions more than once. Has it always been positive action? Evaluate from your own point of view.