22 Largest Tech Companies in the U.S.

Dominating the global tech landscape, these U.S.-based giants shape industries ranging from artificial intelligence to personal computing hardware.

Written by Jenny Lyons-Cunha
Large tech company logos on a phone screen.
Image: Shutterstock
UPDATED BY
Abel Rodriguez | Nov 07, 2025
REVIEWED BY
Ellen Glover | Nov 07, 2025
Summary: The U.S. tech sector dominates global innovation, led by giants like Apple, Microsoft, Amazon, Alphabet and Meta. From AI and semiconductors to cloud computing and electric vehicles, these companies drive advancements shaping industries and are redefining the future of technology.

From Silicon Valley to Manhattan, the United States is home to some of the world's largest and most influential tech companies, which have revolutionized everything from personal computing to artificial intelligence. Employing more than 9.5 million people and contributing roughly $2 trillion to the national GDP, the tech industry is vital to the U.S. economy. These are some of the largest tech companies based in the United States, including Apple, Meta, Google and more.

Largest Tech Companies in the United States

  1. Apple
  2. Microsoft
  3. Amazon
  4. NVIDIA
  5. Alphabet

Related ReadingTech & Startup Jobs in the US

 

22 Largest Tech Companies in the United States

Location: Cupertino, California

Founded: 1978

Company size: 160,000

Known for the iPhone, iPad and MacBook, Apple has transformed the consumer electronics market. It’s also a major player in the services sector, with offerings like iCloud and Apple Music. With a valuation exceeding $3.5 trillion, the Silicon Valley-based company employs more than 80,000 people in the United States — in addition to the 1,530,000 jobs attributable to the App Store ecosystem.

 

Location: Redmond, Washington

Founded: 1975 

Company size: 228,000

Founded in 1975, Microsoft is a global leader in software, cloud computing and artificial intelligence. Its flagship products, such as Windows and Office 365, remain dominant in the software market, while Azure has made significant strides in cloud computing and AI infrastructure. Microsoft employs more than 228,000 people throughout more than 190 countries, including 126,000 employees in the United States — many of whom are based out of its Redmond, Washington HQ.

 

Location: Seattle

Founded: 1994

Company size: 350,000

Amazon’s e-commerce platform, AWS cloud computing platform, and artificial intelligence products have made the company a technology powerhouse. Its logistics network and AI-driven solutions have reshaped retail and enterprise services globally.

 

Location: Santa Clara, California

Founded: 1993

Company size: 36,000

Since its launch in 1993, Nvidia’s GPUs have become crucial for gaming, but more recently has become a key player in the AI industry. The company uses its hardware expertise to develop high power AI semiconductors, or chips, which are highly sought after. Companies from OpenAI and Microsoft and Google are buying NVIDIA’s chips by the thousands to build out the computing divisions and train their custom AI models, as well as provide similar services to smaller organizations.

 

Location: Mountain View, California

Founded: 1998

Company size: 183,000

Google’s parent company Alphabet dominates the search engine market and digital advertising space. It also owns a vast portfolio of popular platforms, including YouTube, Waymo and Deepmind. The company also continues to invest in its AI chatbot, Gemini, further solidifying its position as a leader in generative AI.

 

Location: San Fransisco

Founded: 2009

Company size: 31,000

Leveraging technology to optimize logistics and user experience, Uber has transformed urban mobility with its ride-hailing and food-delivery services. And the company is committed to ongoing innovation, starting testing of its electric and autonomous vehicle technologies in multiple cities across the country.

 

Location: Palo Alto, California

Founded: 1991 

Company size: 37,000

Broadcom develops and manufactures hardware, including semiconductors, data center processors and wireless storage systems. The company began as a division of Hewlett Packard (HP) but spun out on its own in1999. More recently, the company entered into a multi-year deal with OpenAI in 2025 to develop custom AI chips

 

Location: Santa Clara, California

Founded: 2004

Company size: 26,000

As an enterprise IT services company, ServiceNow’s workflow automation software helps businesses streamline operations. Recently, the company announced plans to enhance its automation tools with AI capabilities as well. Headquartered in Santa Clara, California, ServiceNow employs more than 20,000 people in total and operates in more than 30 countries.

 

Location: Mooresville, North Carolina

Founded: 1921

Company size: 300,000

Lowe’s sells an array of home improvement products and handles upwards of 16 million customer transactions every week. Through its tech teams, Lowe’s works to drive retail innovation, delivering solutions that support associates and enhance the customer experience. Mylow is the company’s AI-powered virtual advisor for customers, and Mylow Companion is its AI tool designed to empower associates to improve customer service.

Location: Santa Clara, California

Founded: 1968

Company size: 124,000

Intel is a global leader in semiconductor manufacturing. Its chips power computers, data centers and IoT devices. The company has also seen interest from the United States government and other investors. Through the investments, Intel seeks to bolster the U.S. national semiconductor supply chain, which was deemed a national security concern.

 

Location: Sant Clara, California

Founded: 1969

Company size: 46,000

AMD develops computer hardware for personal and business use cases. On the consumer side its products range from high-performance computing processors to graphics cards optimized for gaming. Meanwhile, on the enterprise side of the business, AMD provides CPUs for data centers along with AI GPUs, which are used for AI training. AMD also signed a deal with OpenAI to provide 6 gigawatts of computing power and access to its AI chips.

 

Location: Menlo Park, California

Founded: 1004

Company size: 74,000

With platforms like Facebook, Instagram and WhatsApp, along with its development of the metaverse, Meta is a leader in both social networking and virtual reality. The company has also taken a large interest in artificial intelligence after developing its custom Llama models, which are integrated across its social media platforms and smart glasses. Meta has spent millions of dollars recruiting top AI researchers and engineers from competing companies as it pursues “personal superintelligence” through its newly formed Superintelligence Labs.

 

Location: San Diego, California

Founded: 1985

Company size: 50,000

Qualcomm’s technology provides essential components for smartphones, IoT devices and 5G networks. For years, the company was known mainly for developing high-end processors for mobile devices, but recently unveiled its two first AI chips that will be released in 2026.  The semiconductors are optimized for inference training and can help accelerate AI workloads. The San Diego-based company reportedly employs more than 50,000 people, with 170 offices in 30 countries.

 

Location: Bastrop, Texas

Founded: 2003

Company size: 2,800

X (formerly known as Twitter) is a popular platform for real-time communication and social engagement, serving as a hub for news, entertainment and public discourse. Besides operating its social media platform, X also incorporates AI technology through co-founder Elon Musk’s xAI. Its model Grok powers chatbots, AI companions and Grokipedia, an AI-generated encyclopedia that leans on conservative viewpoints.

 

Location: San Fransisco

Founded: 1999

Company size: 76,000

Salesforce is a global leader in cloud-based customer relationship management software. Additionally, the company has placed a large emphasis on its Agentforce offering, which enables users already on the platform to build custom AI agents that autonomously interact and automate tasks throughout Salesforce's product ecosystem.The company has more than 76,000 employees, and its global HQ is in San Francisco.

 

Location: Round Rock, Texas

Founded: 1984

Company size: 108,000

Dell Technologies designs and manufactures a wide range of computer hardware and IT solutions for businesses. Its product lineup includes laptops, monitors, networking equipment and storage systems. But beyond hardware, Dell provides cloud infrastructure, cybersecurity and edge computing services to help businesses scale their operations.  

Location: San Jose, California

Founded: 1984

Company size: 90,000

Cisco offers networking and telecommunications services, providing the backbone for internet infrastructure. Launched in 1984, Cisco’s team of more than 90,000 employees help observe more than 800 billion security events per day, according to its website.

 

Location: San Jose, California

Founded: 1982

Company size: 30,000

Adobe’s creative and digital marketing software — including Photoshop and Adobe Experience Cloud — is a staple for creative professionals worldwide. The San Jose-based software and design company has also ventured into generative AI with the development of Adobe Firefly. Firefly runs on a web platform and is integrated in several of Adobe’s products to generate and edit images and videos from text prompts. The generation process is done through Adobe’s custom AI models but also provides the options to use partner models from OpenAI, Google and others.

 

Location: Palo Alto, California

Founded: 1003

Company size: 125,000
Tesla is disrupting the automotive industry with its electric vehicles and autonomous driving technology. It also invests significantly in clean energy solutions like solar panels and batteries — including its renewable energy-powered Gigafactory network. Besides electric vehicles, Tesla has pursued other projects including robotaxis to provide autonomous ride-hailing services and a humanoid robot, Optimus, to function in homes and factories.  

 

Location: Austin, Texas

Founded: 1977

Company size: 162,000

Oracle specializes in enterprise software and cloud computing, offering robust database solutions and applications for businesses worldwide. The company also recently introduced AI-driven tools to enhance its cloud services portfolio. Because of its cloud storage and computing capabilities, Oracle was tapped as one of the companies to form an American-owned version of TikTok in 2025.

 

Location: San Jose, California

Founded: 1998

Company size: 27,000

PayPal is a leader in digital payment processing, enabling secure and seamless transactions for millions of users worldwide. The San Jose-based company employs more than 10,000 people in the United States alone.

 

Location: Armonk, New York

Founded: 1911

Company size: 293,400


IBM is a leader in AI, quantum computing and enterprise IT solutions. Its family of open source AI models are the latest addition to its roster of technologies. IBM operates in over 170 countries and reportedly employs 293,400,000 people globally.

 

 

Frequently Asked Questions

The largest tech company in the United States by market capitalization is Nvidia, followed by other top contenders like Apple and Microsoft. If we’re looking at headcount, the largest tech company in the United States is Amazon, which has about 1.1 million employees working across its corporate offices, fulfillment centers and delivery hubs throughout the country.

The “Big Seven” (also referred to as the “Magnificent Seven”) is a group of tech companies listed on the stock exchange that collectively drive most of the economic growth, innovation and market value in the United States. The list includes Alphabet, Amazon, Apple, Tesla Meta, Microsoft and NVIDIA.

Rose Velazquez contributed reporting to this story.

Explore Job Matches.