| # | Company | Employees |
|---|---|---|
| 1 |
Cognizantcognizant.com
This company helps clients modernize technology, reimagine processes, and transform experiences to stay ahead in a rapidly changing world, improving everyday life |
372,148 |
| 2 | 335,625 | |
| 3 |
Concentrixconcentrix.com
Provides customer experience solutions and technology, improving business performance for global brands across various industries, creating better business outcomes. |
218,681 |
| 4 |
Oracleoracle.com
It provides cloud infrastructure and software, enabling organizations to innovate, improve efficiency, and secure data with an autonomous database. |
208,132 |
| 5 |
Amazon Web Services (AWS)aws.amazon.com
A global cloud computing provider offering scalable, reliable, and cost-effective infrastructure services to businesses worldwide, eliminating the need for capital infrastructure expenses |
147,090 |
| 6 | 142,944 | |
| 7 |
Verizonmycareer.verizon.com
A global human network that values creativity, connection, and flexibility, dedicated to making an impact and moving the world forward |
137,000 |
| 8 |
DXC Technologydxc.com
It assists global companies in managing critical systems, modernizing IT, optimizing data, and ensuring security across various cloud environments. |
90,597 |
| 9 |
Hewlett Packard Enterprisehpe.com
This company is a global edge-to-cloud company that drives technology and innovation to fulfill its passion and purpose |
90,021 |
| 10 |
Kyndrylkyndryl.com
A global leader in designing, running, and managing advanced technology infrastructure, focusing on excellence, innovation, and advancing vital systems for human progress |
90,000 |
| 11 | 89,000 | |
| 12 |
Sutherlandsutherlandglobal.com
A digital transformation company focused on creating human-centered brand experiences through design, analytics, AI, cognitive technology, and automation |
67,102 |
| 13 |
EPAM Systemsepam.com
Global digital transformation services provider specializing in product development and engineering, creating better enterprise, education, and health platforms worldwide |
66,049 |
| 14 | 50,000 | |
| 15 |
Mastercardmastercard.com
Global technology company in payments industry connecting and powering inclusive digital economy through safe, simple, smart transactions benefiting individuals, institutions, and businesses worldwide |
49,687 |
| 16 |
Lenovolenovo.com
A global technology powerhouse with a focus on delivering smarter technology through innovation, serving millions of customers worldwide in various markets |
47,094 |
| 17 |
FISfisglobal.com
A global company advancing commerce and financial transactions worldwide, serving over 20,000 clients and one million merchants in 130 countries |
44,160 |
| 18 |
Fiservfiserv.com
A global technology provider in financial services industry, specializing in payments, processing, risk & compliance, customer management, and business optimization |
44,000 |
| 19 | 40,473 | |
| 20 |
CSC
The company specializes in delivering extraordinary services and achieving remarkable results |
34,841 |
| 21 | 31,433 | |
| 22 |
Visacorporate.visa.com
A global leader in digital payments, connecting consumers, merchants, and financial institutions across 200+ countries with secure transaction solutions |
30,900 |
| 23 |
Ingram Microingrammicro.com
Global technology company distributing IT products and services, offering AI-powered platform, financing, marketing, lifecycle management, and technical support. |
29,469 |
| 24 | 29,010 | |
| 25 |
Globantglobant.com
A digitally native company specializing in helping organizations innovate and unleash potential, with a focus on diversity, inclusion, and cybersecurity |
28,419 |
| 26 |
TEKsystemsteksystems.com
Global solutions provider specializing in accelerating business transformation through resolving technology, business, and talent challenges for Fortune 500 organizations |
28,131 |
| 27 |
NCR Corporationncr.com
Separation of NCR into two distinct companies focusing on different business areas, creating specialized entities for targeted operations. |
27,319 |
| 28 |
NTT DATA North Americaus.nttdata.com
provides business and technology consulting, data and AI solutions, application development, infrastructure management, and industry-specific services globally |
24,414 |
| 29 |
Iron Mountainironmountain.com
Global leader in storage and information management services, partnering with organizations worldwide to protect and unlock the value of their assets and data |
24,357 |
| 30 |
CenturyLinkcenturylink.com
A technology leader providing hybrid networking, cloud connectivity, and security solutions globally through a secure and reliable global fiber network |
23,931 |
| 31 |
Unisysunisys.com
A global technology solutions company offering digital workplace, cloud, applications & infrastructure, enterprise computing, and business process solutions to empower organizations |
23,358 |
| 32 |
TD SYNNEXtdsynnex.com
Leading IT distributor and solutions aggregator providing technology products, services, and support to maximize customer IT investment value and growth. |
22,441 |
| 33 |
TCS
A full lifecycle IT professional services and software firm in Brownsburg, IN, offering tailored solutions and managed services for optimized technology investments |
21,901 |
| 34 | 20,860 | |
| 35 |
Diebold Nixdorfdieboldnixdorf.com
This company specializes in automating and digitizing banking and shopping experiences, offering cutting-edge technology solutions for financial and retail customers worldwide |
20,523 |
| 36 |
Insightinsight.com
A Fortune 500 solutions integrator specializing in accelerating digital transformation, modernizing businesses, and maximizing technology value through deep partnerships |
19,219 |
| 37 | 18,732 | |
| 38 |
Ricoh USA, Inc.ricoh-usa.com
Provide information management and digital services combining people, processes, and technology to enhance business agility and unlock insights. |
18,369 |
| 39 |
Virtusavirtusa.com
Digital engineering and technology services provider for Forbes Global 2000 companies worldwide, focusing on innovative solutions and impactful results through an "Engineering First" approach |
18,045 |
| 40 |
Infosys Ltdinfosys.com
Global leader in next-generation digital services and consulting, enabling clients worldwide to navigate digital transformation with AI-powered solutions and agile digital delivery for performance and customer satisfaction |
17,979 |
| 41 |
Asurionasurion.com
A tech care company that eliminates fears and frustrations associated with technology, providing insurance, repair, replacement, installation, and 24/7 support for devices and appliances |
17,112 |
| 42 |
TransUniontransunion.com
Global information and insights company enabling trust and confident transactions by providing actionable, data-driven pictures of individuals for businesses and consumers worldwide |
17,036 |
| 43 |
Verizon Businessverizon.com
Provide reliable network coverage and empower businesses, agencies, and organizations to enhance connectivity and support their people effectively. |
15,477 |
| 44 |
Carelon Global Solutions Indiacarelonglobal.in
Healthcare solutions provider with global reach, specializing in digital tools for health plans, providers, and systems to increase efficiency and effectiveness |
15,035 |
| 45 |
Infinite Computer Solutionsinfinite.com
Global provider of technology modernization, digital engineering, and AI-driven IT services delivering tailored solutions across multiple industries worldwide. |
14,901 |
| 46 |
Equinixequinix.com
A global digital infrastructure company empowering businesses to access foundational infrastructure, partners, and possibilities to accelerate advantage and multiply value |
14,710 |
| 47 |
Apex Systemsapexsystems.com
Specializes in strategy, transformation, managed services including application development, data, cloud, cybersecurity, and AI solutions across global markets. |
13,945 |
| 48 |
TD SYNNEX North Americatdsynnex.com
Provides technology products, services, and solutions enabling channel partners to deliver next-generation technologies for global connectivity and growth. |
13,222 |
| 49 |
Movatemovate.com
A digital technology and customer experience services company focused on innovation and client outcomes, with a global network of diverse talent |
13,112 |
| 50 |
Thoughtworksthoughtworks.com
A global technology consultancy specializing in strategy, design, and engineering to drive digital innovation, fostering diverse talent and a strong cultivation culture |
12,735 |
| 51 |
inDriveindrive.com
Global mobility platform offering urban services including ride-hailing, intercity transport, and delivery, challenging injustice through fair choices for communities. |
11,723 |
| 52 |
Zebra Technologieszebra.com
Improving workflows through innovative technology solutions, connecting frontline workers and optimizing visibility with scanning, track-and-trace, and automation tools |
11,698 |
| 53 |
Cerner Corporationlinkedin.com
A recent acquisition deal between two tech giants, involving an all-cash tender offer for a healthcare technology company Visit oraclecom for details |
11,256 |
| 54 |
LexisNexislexisnexis.com
It provides legal, regulatory, and business information and analytics to enhance productivity, decision-making, and support legal infrastructures globally. |
11,000 |
| 55 |
Gainwell Technologiesgainwelltechnologies.com
Providing cloud-enabled technology solutions and services to support Medicaid agencies, health plans, and MCOs in improving public health outcomes. |
10,936 |
| 56 |
Lexmarklexmark.com
Provider of cloud-enabled imaging and IoT technologies, leveraging industry expertise to accelerate business transformation and turn data into actionable insights for global customers |
10,514 |
| 57 |
SoftServesoftserveinc.com
A premier IT consulting and digital services provider, specializing in digital engineering, data analytics, cloud services, and AI/ML solutions for various industries globally |
10,324 |
| 58 |
World Wide Technologywwt.com
Combining strategy and execution to deliver practical, complex technology solutions globally, helping organizations accelerate growth and achieve future goals. |
10,235 |
| 59 |
HTC Global Serviceshtcinc.com
Provider of IT and business process services using emerging technologies to enable clients' digital transformation and sustainable growth. |
10,143 |
| 60 |
First Data Corporationfiserv.com
A global leader in payments and financial technology, serving financial institutions, merchants, and businesses worldwide |
9,745 |
| 61 |
Accenture Federal Servicesaccenture.com
The company brings advanced R&D, latest technologies, and human-centered design to the federal government to create lasting value and drive positive change |
9,719 |
| 62 |
Exela Technologiesexelatech.com
Global provider of business process automation and digital transformation solutions, enhancing productivity and quality across multiple industries and sectors. |
9,711 |
| 63 |
Experisexperis.com
Global leader in IT professional resourcing, project solutions, and managed services for Business Transformation, Enterprise Applications, Cloud, Cyber Security, and Digital Workspace |
8,994 |
| 64 |
athenahealthathenahealth.com
The company strives to simplify healthcare with innovative technology for electronic health records, revenue cycle management, and patient engagement solutions |
8,956 |
| 65 |
BMC Softwarebmc.com
It provides open, scalable solutions for complex IT challenges, helping organizations innovate and become Autonomous Digital Enterprises for future success. |
8,773 |
| 66 |
Syntelatos-syntel.net
Global provider of IT and knowledge process services leveraging automation, agile, and cloud platforms for efficient application development, digital services, and IoT solutions |
8,763 |
| 67 |
YASH Technologiesyash.com
Consulting-led digital transformation partner offering technology, advisory, and outsourcing services to optimize client performance and revenue growth globally. |
8,670 |
| 68 |
Compucomcompucom.com
Compucom helps businesses unlock their digital workplace potential with secure, innovative, and sustainable IT solutions for real-time collaboration and support |
8,645 |
| 69 |
CI&Tciandt.com
AI-powered digital solutions provider partnering with top brands to drive business transformation through strategic innovation and scalable solutions |
8,592 |
| 70 |
Datamaticsdatamatics.com
Datamatics enables digital transformation for enterprises, offering solutions in digital technologies, operations, and experiences to enhance productivity and competitiveness globally |
8,340 |
| 71 |
iMerit Technologyimerit.ai
A leading AI data solutions company providing high-quality data labeling technologies for machine learning applications across various industries |
8,052 |
| 72 |
SHI International Corp.shi.com
IT solutions provider offering services to support organizational growth, modern workplace setup, cybersecurity, cloud optimization, software portfolio management, with top-tier vendor partnerships and flexible financing options |
8,000 |
| 73 |
Innova Solutionsinnovasolutions.com
Innova Solutions provides transformative digital solutions, specializing in AI, data analytics, cloud computing, and cybersecurity for various industries globally. |
7,554 |
| 74 |
iSoftStoneisoftstoneinc.com
Global IT service and consulting company specializing in web development, software testing, data management, digital experience, and AI solutions. |
7,385 |
| 75 |
Encora Inc.coforge.com
Encora is a technology modernization and innovation partner offering digital engineering services across various industries with a global presence |
7,245 |
| 76 |
Rackspace Technologyrackspace.com
Specializing in multicloud solutions, we assist global companies in overcoming challenges by providing custom cloud services for improved performance |
7,046 |
| 77 |
R Systemsrsystems.com
Global provider of product engineering, digital solutions, AI, cloud-native capabilities, automation, and strategic growth support for diverse industries. |
6,833 |
| 78 |
DFX Cloud Solutionsdfxcloudsolutions.com
A startup offering web services, AI, software, and cloud solutions since 2007 Specializes in software development, digital marketing, SEO, and hosting with a focus on client satisfaction |
6,832 |
| 79 |
Atos Syntelatos-syntel.net
Providing integrated IT and knowledge process services, focusing on automation, agile, cloud, analytics, IoT, and long-term client partnerships. |
6,789 |
| 80 |
TELUS Digital AI Data Solutionstelusdigital.com
AI Data Solutions company enabling global community to enhance AI models with flexible, remote, part-time language-related work opportunities |
6,685 |
| 81 | 6,678 | |
| 82 |
CitiusTechcitiustech.com
A leading provider of healthcare technology services and solutions, serving various healthcare organizations worldwide to drive digital innovation and improve patient outcomes |
6,627 |
| 83 |
Solera Holdings, LLC.solera.com
Global leader providing vehicle lifecycle management solutions through software, data, and services to empower customers for digital success worldwide |
6,500 |
| 84 |
Stradastradaglobal.com
specializes in simplifying workforce management with accurate payroll and technology solutions for over 1,400 customers worldwide |
6,422 |
| 85 | 6,192 | |
| 86 |
Infogaininfogain.com
Infogain specializes in digital customer experience engineering, delivering solutions for Fortune 500 companies across various industries using advanced technologies. |
6,161 |
| 87 |
Collaberacollabera.com
The company focuses on developing individuals, building elite teams, and providing digital talent solutions to positively impact businesses and communities globally |
6,160 |
| 88 |
West Corporationwest.com
A global provider of reliable, scalable communication solutions for various industries, focusing on enhancing collaboration, connectivity, and transactions through innovative technologies |
6,030 |
| 89 |
CGS (Computer Generated Solutions)cgsinc.com
Deliver business applications, enterprise learning, and outsourcing services to support complex needs of global enterprises and government agencies. |
5,642 |
| 90 |
Brilliobrillio.com
A digital technology service provider helping Fortune 1000 companies innovate with customer experience transformation, data analytics, AI, platform engineering, cloud infrastructure, and security |
5,634 |
| 91 |
CEScesltd.com
Providing technology and business process modernization services including digital transformation, enterprise applications, managed IT, cloud, renewables, and cybersecurity solutions. |
5,562 |
| 92 |
Valtechvaltech.com
global network of experts leveraging data, AI, creativity, and technology to deliver exceptional digital experiences, accelerate commerce, and transform enterprises for clients worldwide |
5,555 |
| 93 |
Black Boxblackbox.com
Provides network integration, managed services, technology products, and cybersecurity solutions to global enterprises across multiple industries and regions. |
5,521 |
| 94 |
DataArtdataart.com
Global software engineering firm specializing in data-driven, cloud-native solutions, with a focus on professional growth, diversity, and employee autonomy |
5,451 |
| 95 |
Sun Microsystemsoracle.com
Development and marketing of database, middleware, application software, and hardware including Solaris, Java, MySQL, storage, server, and network products. |
5,315 |
| 96 |
Digital Realtydigitalrealty.com
Global provider of data center, colocation, and interconnection solutions, enabling secure connectivity between companies through a network of 300+ facilities worldwide |
5,263 |
| 97 |
Pure Storageeverpuredata.com
Provides secure, real-time data storage solutions for SaaS, cloud providers, enterprises, enabling AI, machine learning, and multi-cloud environments. |
5,239 |
| 98 |
Xoriantxoriant.com
Xoriant is a global digital engineering firm that turns imaginative visions into realities, accelerating business outcomes with innovative technology solutions |
5,220 |
| 99 |
Belcanbelcan.com
Global provider of engineering, manufacturing, workforce, and IT solutions for aerospace, defense, automotive, industrial, and private sector clients for over 60 years |
5,115 |
| 100 |
Orion Innovationorioninc.com
A global digital transformation and product development firm, partnering with clients to solve complex business problems and accelerate digital innovation |
5,090 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 10, 2026.
More company lists in the United States
- The largest companies in the United States 91,637
- SaaS companies in the United States 5,726
- Hospitals and Health Care companies in the United States 5,418
- Software Development companies in the United States 4,506
- Financial Services companies in the United States 4,247
- Higher Education companies in the United States 3,429
- Real Estate companies in the United States 2,861
- Construction companies in the United States 2,581
- Government Administration companies in the United States 2,059
- Insurance companies in the United States 2,032
- Non-profit Organizations companies in the United States 1,967
- Education Administration Programs companies in the United States 1,828
- Venture Capital and Private Equity Principals companies in the United States 1,804
- Retail companies in the United States 1,725
- Advertising Services companies in the United States 1,565
- Oil and Gas companies in the United States 1,556
- Food and Beverage Services companies in the United States 1,546
- Primary and Secondary Education companies in the United States 1,510
- Transportation, Logistics, Supply Chain and Storage companies in the United States 1,405
- Technology, Information and Internet companies in the United States 1,344
- Hospitality companies in the United States 1,296
- Investment Management companies in the United States 1,250
- Business Consulting and Services companies in the United States 1,244
- Manufacturing companies in the United States 1,120
The same list elsewhere in United States
- IT Services and IT Consulting companies in New York 305
- IT Services and IT Consulting companies in Houston 112
- IT Services and IT Consulting companies in Atlanta 100
- IT Services and IT Consulting companies in San Francisco 96
- IT Services and IT Consulting companies in Austin 91
- IT Services and IT Consulting companies in Chicago 86
- IT Services and IT Consulting companies in Dallas 76
- IT Services and IT Consulting companies in San Jose 72
- IT Services and IT Consulting companies in Miami 67
- IT Services and IT Consulting companies in Tampa 50
- IT Services and IT Consulting companies in Boston 45
- IT Services and IT Consulting companies in Santa Clara 44
- IT Services and IT Consulting companies in Charlotte 35
- IT Services and IT Consulting companies in Washington 35
- IT Services and IT Consulting companies in San Diego 32
- IT Services and IT Consulting companies in Seattle 32
- IT Services and IT Consulting companies in Los Angeles 28
- IT Services and IT Consulting companies in St. Louis 27