These companies are primarily large multinational corporations with significant in-house R&D capabilities, reflecting a global presence across various sectors. The list includes technology and IT services firms, manufacturing giants, and major retailers.
Notable companies include Amazon, an e-commerce and software development leader; Tata Consultancy Services, providing global technology services; Deloitte, a professional services firm; and Samsung Electronics, a technology innovator in electronics. A significant pattern observed is the strong representation of IT Services and IT Consulting companies, indicating a global focus on digital transformation and technology solutions.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Amazonamazon.com
An e-commerce giant offering a vast selection of products, convenient shopping experiences, and fast delivery, connecting buyers with a wide range of sellers |
1,541,000 | |||
| 2 |
Tata Consultancy Servicestcs.com
Provides technology services worldwide, enabling client transformation across the AI stack, fostering innovation, engineering excellence, and customer service for adaptive enterprises. |
708,725 | |||
| 3 |
Deloittedeloitte.com
Global professional services firm empowering diverse talents to drive progress for clients worldwide through advice, action, and integrity |
526,765 | |||
| 4 |
The Home Depothomedepot.com
World's largest specialty retailer providing home improvement products and services through over 2,300 stores across North America to help customers build and renovate. |
491,000 | |||
| 5 |
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 | |||
| 6 |
Infosysinfosys.com
A global leader in digital services and consulting, enabling clients worldwide to navigate their digital transformation with AI-powered solutions and agile digital expertise |
368,986 | |||
| 7 | 335,625 | ||||
| 8 |
Googlegoogle.com
Provides a powerful search engine, web services, and advertising tools to help users find information and businesses reach customers |
304,428 | |||
| 9 |
SUMITOMO ELECTRIC INTERCON'T PROD (M) SBsumitomoelectric.com
A global network of 414 companies in 40 countries, originally focused on copper wire production, now diversified into automotive, infocommunications, electronics, environment, energy, and industrial materials |
289,000 | |||
| 10 |
Samsung Electronicssamsung.com
A global technology leader, constantly innovating in TVs, smartphones, wearables, appliances, medical devices, and more Embracing diversity and creativity for growth |
287,000 | |||
| 11 |
Siemenssiemens.com
A technology company focused on industry, infrastructure, transport, and healthcare, creating innovative solutions to transform industries and markets globally |
273,649 | |||
| 12 | 271,675 | ||||
| 13 |
McDonald'scorporate.mcdonalds.com
global fast-food restaurant chain operating over 37,000 locations worldwide, serving popular menu items and employing 1.9 million people |
261,219 | |||
| 14 |
HCLTechhcltech.com
Global technology company providing digital transformation, cloud, IoT, cybersecurity, analytics, and engineering services to enterprises worldwide. |
256,090 | |||
| 15 |
NHSwww.nhs.uk
It provides comprehensive healthcare services to UK residents, employing over 1.5 million staff and ensuring free access at the point of use. |
252,871 | |||
| 16 | 250,000 | ||||
| 17 |
Nestlรฉnestle.com
Global food and beverage company, offering products and services for all stages of life, enhancing quality of life for everyone. |
244,600 | |||
| 18 |
Microsoftmicrosoft.com
Develops and sells software, hardware, and cloud services, including the Windows operating system and Office suite, to improve productivity and digital experiences |
233,562 | |||
| 19 |
The Walt Disney Companythewaltdisneycompany.com
An entertainment company creating magical experiences through animated features, theme park attractions, sports coverage, and television shows for global audiences |
220,000 | |||
| 20 | 208,511 | ||||
| 21 |
Oracleoracle.com
Delivers cloud infrastructure, data, and applications for AI, offering scalable solutions for various deployments, integrating AI into databases, data platforms, and business applications. |
206,235 | |||
| 22 | 193,793 | ||||
| 23 |
Comcastcomcast.com
Delivering broadband, mobile, and video products, along with entertainment, sports, news, and theme park experiences; driven by passionate creators and innovators |
189,000 | |||
| 24 | 187,000 | ||||
| 25 | 184,384 | ||||
| 26 | 180,000 | ||||
| 27 |
aramcoaramco.com
A leading producer of energy and chemicals, providing uninterrupted supply around the globe and working towards a low carbon economy |
170,467 | |||
| 28 |
Ford Motor Companyford.com
Revolutionizing transportation with iconic and innovative connected electric vehicles, dedicated to serving customers, communities, and the planet for a better future |
169,414 | |||
| 29 | 164,418 | ||||
| 30 | 160,913 | ||||
| 31 | 158,647 | ||||
| 32 |
Magna Internationalmagna.com
Developing technologies and systems to make vehicles safer and cleaner, focusing on community, environmental, and human benefits. |
158,000 | |||
| 33 |
University of Californiajobs.universityofcalifornia.edu
Educating top minds, advancing research, engaging communities, supporting economy, improving health, protecting environment, and driving innovation across California. |
152,503 | |||
| 34 |
HCA Healthcaredpxmedcity.net
A healthcare organization with 186 hospitals and 2,300 sites, focused on providing quality care, advancing science, and impacting communities positively |
150,409 | |||
| 35 | 150,393 | ||||
| 36 |
Amazon Web Services (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 | |||
| 37 | 146,155 | ||||
| 38 |
MITSUBISHI ELECTRICmitsubishielectric.com
A leader in electric and electronic equipment manufacturing, focusing on Energy Systems, Industrial Automation, Information Systems, Electronic Devices, and Home Appliances |
146,000 | |||
| 39 |
Unileverunilever.com
Global purpose-led business, creating well-loved brands that improve lives worldwide Encourages innovation, fosters growth, and believes in business as a force for good |
145,051 | |||
| 40 |
Johnson&Johnsonjnj.com
Largest, most broadly based healthcare company, producing life-changing breakthroughs, creating digital health tools, 3-D printing artificial joints, and discovering lifesaving drugs. |
145,000 | |||
| 41 | 144,887 | ||||
| 42 | 142,944 | ||||
| 43 |
Vodafonevodafone.com
Using technology to connect people globally, drive social change, and improve lives while emphasizing the importance of humanity and collaboration |
142,740 | |||
| 44 |
Larsen & Toubrolarsentoubro.com
Multinational company specializing in engineering, procurement, construction projects, hi-tech manufacturing, and sustainability-focused services across over 50 countries worldwide. |
142,350 | |||
| 45 |
Abbottabbott.com
A global healthcare leader offering life-changing technologies in diagnostics, medical devices, nutrition, and generic medicines, with over 115,000 colleagues serving in 160+ countries |
140,778 | |||
| 46 |
PepsiCopepsico.com
A global company championing innovation, creating deep connections with iconic brands, and empowering employees to make a global impact for a better world |
140,098 | |||
| 47 |
NTT DATA, Inc.global.ntt
A global IT services provider offering a wide range of business and technology solutions as it transitions to NTT DATA |
140,000 | |||
| 48 |
Huaweihuawei.com
A global provider of ICT infrastructure and smart devices, offering integrated solutions in telecom networks, IT, smart devices, and cloud services |
139,935 | |||
| 49 |
AB InBevab-inbev.com
Global brewing company with over 500 beer brands, creating memorable moments, advancing the industry, and making a positive impact worldwide |
139,770 | |||
| 50 | 139,657 | ||||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
Kaiser Permanentehealthy.kaiserpermanente.org
Leading not-for-profit health plan with a unique business model driving industry improvements, serving millions of members across multiple states and impacting communities positively |
137,397 | |||
| 52 |
Honeywell Technologieshoneywell.com
a global automation company that provides services, solutions, and products for building, industrial, and process sectors, focusing on automation to autonomy. |
134,559 | |||
| 53 |
Dell Technologiesdell.com
Provide essential technology infrastructure enabling organizations to transform and advance their digital futures through innovative solutions and support. |
133,530 | |||
| 54 |
Santandersantander.com
Leading global bank offering retail, corporate, investment banking, wealth management, insurance, and payment services to diverse clients worldwide. |
129,701 | |||
| 55 |
Boeingboeing.com
A global aerospace leader providing commercial airplanes, defense, space systems, and services, focused on innovation, customer delivery, and employee growth |
129,130 | |||
| 56 |
Tesla Austria GmbHtesla.com
A company focused on accelerating the world's transition to sustainable energy through electric vehicles and clean energy generation and storage solutions |
128,000 | |||
| 57 |
Fresenius Medical Carefreseniusmedicalcare.com
Global leader in renal disease products and services, providing tailored dialysis treatments for improved quality of life for patients worldwide |
128,000 | |||
| 58 |
FUJITSUglobal.fujitsu
Leading global information and communication technology company, offering technology products, solutions, and services, connecting people, technology, and ideas for a sustainable world. |
124,000 | |||
| 59 |
Telefรณnicatelefonica.com
Leading global telecommunications company providing advanced infrastructure, innovative digital and data services, focusing on secure, cutting-edge technology and social impact. |
121,569 | |||
| 60 |
Stellantisstellantis.com
Manufacture and market diverse automotive brands and mobility services, focusing on sustainable innovation and creating value for communities. |
117,619 | |||
| 61 |
Sikorsky Aircraft Corporationlockheedmartin.com
Global security and aerospace company providing integrated solutions and predictive technologies to keep customers ahead of threats through advanced technology systems and services |
115,000 | |||
| 62 |
YouTubeyoutube.com
Team-oriented, creative workplace within Google, developing and rolling out key features and products quickly Headquartered in San Bruno Opportunities globally |
113,401 | |||
| 63 | 109,404 | ||||
| 64 |
Ericssonericsson.com
This company aims to create connections that enable limitless possibilities, improve lives, redefine business, and pioneer a sustainable future |
107,368 | |||
| 65 |
General Motorsgm.com
Development of safer, sustainable transportation technologies and solutions with a focus on inclusivity, innovation, and reducing crashes, emissions, and congestion. |
105,679 | |||
| 66 | 105,519 | ||||
| 67 | 104,899 | ||||
| 68 |
H&M Grouphmgroup.com
A global design business with thousands of stores worldwide, offering fashion, beauty, accessories, homeware, and sustainability-focused products and experiences |
104,048 | |||
| 69 |
Decathlondecathlon-united.media
A global sports retailer offering affordable world-class products for beginners to professionals, making sports accessible worldwide |
103,020 | |||
| 70 |
Pfizerpfizer.com
A leading biopharmaceutical company focused on research and innovation to develop therapies that improve and extend the lives of patients worldwide |
102,598 | |||
| 71 | 101,094 | ||||
| 72 |
Medtronicmedtronic.com
A healthcare technology company tackling challenging health issues worldwide with innovative solutions that significantly impact and improve lives |
100,323 | |||
| 73 |
Thermo Fisher Scientificthermofisher.com
A global leader in science services, providing innovative technologies and pharmaceutical support to make the world healthier, cleaner, and safer |
100,256 | |||
| 74 |
Volkswagen Groupvolkswagen-group.com
Designs, manufactures, and sells cars globally, committed to sustainable mobility through electric, digital, and autonomous vehicle technologies for future generations. |
100,138 | |||
| 75 |
General Dynamics UKgd.com
A global company focusing on safety and security, producing a range of products from business jets to submarines with a culture of continuous improvement |
100,000 | |||
| 76 | 99,488 | ||||
| 77 |
Foxconnfoxconn.com
Global electronics manufacturer specializing in hardware, software, AI, semiconductors, and emerging technologies with extensive R&D and sustainability focus. |
98,833 | |||
| 78 | 98,830 | ||||
| 79 |
T-Mobilecareers.t-mobile.com
Leading US wireless provider delivering advanced 4G LTE and nationwide 5G networks, prioritizing customer value, service excellence, and innovation in Bellevue, Washington |
96,232 | |||
| 80 |
The Coca-Cola Companycoca-colacompany.com
A global beverage company selling popular brands in multiple categories, committed to sustainability, innovation, and making a positive impact worldwide |
96,000 | |||
| 81 | 95,899 | ||||
| 82 | 95,388 | ||||
| 83 |
L'Orรฉalloreal.com
Develops and sells a diverse portfolio of cosmetic and skincare products, aiming to innovate and cater to a billion consumers globally. |
95,229 | |||
| 84 |
American Expressamericanexpress.com
A globally integrated payments company supporting customers' financial confidence, promoting commerce, and providing experiences that enrich lives and drive business success |
94,909 | |||
| 85 |
Sanofisanofi.com
Researching, developing, and delivering medicines and vaccines, addressing urgent healthcare challenges through science, improving people's lives globally. |
93,336 | |||
| 86 | 93,235 | ||||
| 87 |
Procter & Gamblepg.com
Designs, develops, and sells a wide range of iconic consumer goods brands worldwide, improving daily life for billions of consumers through innovative products. |
92,610 | |||
| 88 | 92,092 | ||||
| 89 |
adidasadidas.com
This company pushes culture and human performance boundaries through sport, aiming to change lives. It is headquartered in Germany and employs over 59,200 people globally. |
91,451 | |||
| 90 |
TikToktiktok.com
A leading platform for short-form video, fostering creativity and innovation with a flat company structure and global presence for career growth opportunities |
91,370 | |||
| 91 |
Chick-fil-A Corporate Support Centerchick-fil-a.com
Company provides extensive support for restaurant operations including digital, financial, analytics, and development to ensure exceptional customer experiences globally. |
90,667 | |||
| 92 |
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 | |||
| 93 |
Tencenttencent.com
A technology company based in China that enriches the lives of Internet users through communications, social platforms, advertising, financial technology, and business services |
89,197 | |||
| 94 |
Airbusairbus.com
Pioneers sustainable aerospace, designs and manufactures commercial aircraft, offers space systems, defense, security, and provides civil and military rotorcraft solutions globally. |
88,309 | |||
| 95 |
JBSjbs.com.br
Global leader in protein-based food production with diverse product portfolio spanning multiple countries and industries, committed to feeding the world with excellence and innovation |
88,182 | |||
| 96 |
Schneider Electricse.com
Global energy technology leader, providing efficiency and sustainability through electrifying, automating, and digitalizing industries, businesses, and homes with intelligent devices and digital services. |
87,938 | |||
| 97 |
Alstomalstom.com
The company develops sustainable transportation solutions, including high-speed trains, metros, trams, signaling, and digital mobility services, while focusing on innovation and project management |
87,128 | |||
| 98 | 86,847 | ||||
| 99 |
TotalEnergiestotalenergies.com
Global energy company with 105,000 employees focused on energy transition, safety, ethics, innovation, and career development worldwide. |
86,609 | |||
| 100 |
Salesforcesalesforce.com
It provides customer relationship management solutions, integrating data, artificial intelligence, and a focus on trust to enhance customer experiences. |
86,347 | |||
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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 Nov 13, 2026.
More company lists in the world
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- Professional services firms in the world 24,737
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- IT Services and IT Consulting companies in the world 23,571
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The same list elsewhere
- Companies with in-house R&D in Europe 20,166
- Companies with in-house R&D in France 8,748
- Companies with in-house R&D in North America 7,617
- Companies with in-house R&D in the United States 6,794
- Companies with in-house R&D in Asia 4,159
- Companies with in-house R&D in Germany 2,450
- Companies with in-house R&D in India 1,989
- Companies with in-house R&D in the United Kingdom 1,930
- Companies with in-house R&D in Italy 1,418
- Companies with in-house R&D in Latin America 1,191
- Companies with in-house R&D in Spain 1,067
- Companies with in-house R&D in China 979
- Companies with in-house R&D in Switzerland 916
- Companies with in-house R&D in the Middle East 785
- Companies with in-house R&D in Brazil 755
- Companies with in-house R&D in the Netherlands 738
- Companies with in-house R&D in Canada 678
- Companies with in-house R&D in Belgium 604
- Companies with in-house R&D in Turkey 512
- Companies with in-house R&D in Sweden 332
- Companies with in-house R&D in Poland 290
- Companies with in-house R&D in Japan 284
- Companies with in-house R&D in Africa 283
- Companies with in-house R&D in Austria 259