| # | Company | Employees |
|---|---|---|
| 1 |
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 |
| 2 |
Nissan Motor Corporationnissan-global.com
A global car manufacturer offering a range of vehicles under the Nissan and INFINITI brands, dedicated to sustainable mobility Follow on social media for updates |
47,419 |
| 3 |
Hitachihitachi.com
A technology and innovation company committed to creating a more sustainable society through advanced social infrastructure systems and improving quality of life |
40,513 |
| 4 |
Takedatakeda.com
The company is committed to transforming lives by advancing science, focusing on patient needs, and setting new standards in healthcare |
37,267 |
| 5 |
Kao EMEA & Americaskao.com
Leading manufacturer of hygiene, beauty, and health products with premium brands in consumer care, salon, cosmetics, and luxury skincare sectors. |
34,000 |
| 6 |
Japan Tobacco Inc. (JT)jt.com
A global company in tobacco, pharmaceutical, and processed food sectors, focusing on sustainability and stakeholder value through innovation and responsible products |
33,449 |
| 7 |
Panasonicholdings.panasonic
A company committed to enhancing well-being and society through sustainable solutions, offering superior products and services to help people live their best |
30,689 |
| 8 | 24,935 | |
| 9 |
UNIQLOfastretailing.com
A leading Japanese retail holding company offering high-quality, innovative apparel under the concept of LifeWear in over 25 markets worldwide |
19,984 |
| 10 |
Olympus Corporationolympus-global.com
A global company dedicated to developing medical solutions to improve lives by detecting, preventing, and treating diseases while ensuring public safety |
13,679 |
| 11 |
Yamaha Corporationyamaha.com
Manufacturer and provider of musical instruments, sound-related products, and services focused on enriching lives through music and culture. |
13,023 |
| 12 |
Astellas Pharmaastellas.com
Development and provision of innovative therapies in oncology, ophthalmology, urology, immunology, and women's health addressing unmet medical needs. |
12,472 |
| 13 | 10,685 | |
| 14 |
Suntory Holdings Limitedsuntory.com
A global consumer products company offering a diverse portfolio of beverages, wellness products, and operating a flower business, committed to social responsibility and growth |
10,535 |
| 15 |
Shiseidoshiseido.com
A top cosmetics company with international brands in 120 countries, offering beauty solutions for a sustainable society through innovative products and new lifestyle creations |
8,698 |
| 16 |
Muratamurata.com
Global leader in designing, manufacturing, and supplying advanced electronic components and modules for diverse devices and industries worldwide. |
7,404 |
| 17 |
Canon Inc.global.canon
Manufacturing and marketing of imaging equipment, printers, cameras, medical systems, and semiconductor manufacturing equipment with global presence and R&D. |
6,597 |
| 18 |
Tokyo Electrontel.com
A leading semiconductor manufacturing equipment company providing high-performance products and services worldwide, focusing on customer satisfaction, innovation, and technology advancement |
6,269 |
| 19 |
Sony Electronicssonyjobs.com
Global company fostering innovation and creativity by empowering diverse, passionate teams to deliver exceptional, meaningful experiences to customers worldwide. |
5,852 |
| 20 |
Hitachi Construction Machineryhitachicm.com
Global construction machinery company prioritizing environmentally friendly activities, providing solutions for construction and mining needs, promoting sustainability and social development |
5,800 |
| 21 |
Unicharmunicharm.co.jp
A Japanese company manufacturing disposable hygiene, household cleaning, and pet care products, specializing in diapers for babies and adults globally Market leader in Asia |
5,361 |
| 22 | 4,624 | |
| 23 |
ASICScorp.asics.com
A global company founded on the philosophy of promoting physical and mental wellbeing through sports footwear, apparel, and equipment |
4,382 |
| 24 |
Seiko Epson Corporationglobal.epson.com
Global technology leader focused on efficient, precise innovation in printing, manufacturing, and visual solutions Committed to sustainability and addressing societal issues |
4,220 |
| 25 |
Sysmex Corporationsysmex.co.jp
A global leader in in vitro diagnostics, dedicated to innovating personalized medicine and novel treatments to improve healthcare worldwide |
4,045 |
| 26 | 3,716 | |
| 27 |
HORIBAhoriba.com
The company provides instruments and systems for various industries including automotive, medical diagnostics, semiconductor manufacturing, and scientific research with proven quality and performance |
3,531 |
| 28 |
Toray Industries, Inc.toray.com
Development of fibers, textiles, performance chemicals, carbon fiber composites, environment engineering, pharmaceuticals, and medical products using advanced chemical technologies worldwide. |
3,225 |
| 29 |
Enagic Globalenagic.com
A leading manufacturer of alkaline ionizers and water filtration machines, transforming tap water into healthy drinking water through direct sales |
2,705 |
| 30 |
Kubota Corporationkubota.com
Manufacture and sale of farm equipment, construction machinery, water treatment systems, pipes, pumps, and environmental engineering services globally. |
2,639 |
| 31 |
PHC Holdings Corporationphchd.com
Global healthcare company specializing in diabetes management, healthcare solutions, life sciences, and diagnostics with a mission to improve lives worldwide |
2,610 |
| 32 |
Kyowa Kirin Co., Ltd.kyowakirin.com
Development of novel medicines, next-generation antibodies, and cell and gene therapies targeting severe and rare diseases globally. |
2,582 |
| 33 |
China Resources (Holdings) Cocrc.com.hk
A group of companies with diverse businesses in Hong Kong and mainland China, originally founded in 1938 as Liow & Company |
2,575 |
| 34 |
Panasonic Connectconnect.panasonic.com
A company dedicated to providing innovative B2B solutions, driving sustainability and societal advancement by connecting with customers to solve challenges and create value |
2,476 |
| 35 | 2,380 | |
| 36 |
KONICA MINOLTA, INC.konicaminolta.us
Development manufacturing sales multifunctional peripherals printers healthcare systems measuring instruments electronic materials optical products functional films |
2,344 |
| 37 |
Sharpglobal.sharp
A company in Japan manufacturing and selling telecommunications equipment, electronics, and components, committed to innovation, employee growth, and customer prosperity through sincerity and creativity |
2,207 |
| 38 |
Toshiba Corporationglobal.toshiba
A global technology company specializing in energy, social infrastructure, electronic devices, and digital solutions, committed to creating a sustainable future |
2,021 |
| 39 |
Toyota Automated Logisticstoyota-automated-logistics.com
A leading provider of advanced logistics solutions, including automation, systems integration, and supply chain management, aiming to excel in the global market |
1,918 |
| 40 |
Daimler Truck Asiaasia.daimlertruck.com
A company developing mobility solutions for a better life and planet, combining strengths to provide value products globally while focusing on sustainability |
1,907 |
| 41 |
Teijin Limitedteijin.com
Innovative global group specializing in materials, healthcare, and IT solutions, focused on environmental value, safety, and health consciousness |
1,882 |
| 42 |
Aernnova Aerospaceaernnova.com
A leading Aerostructures company specializing in design, manufacturing, and support for Empennages, Wings, and Rear Fuselages Offers full product lifecycle management |
1,880 |
| 43 |
ALPS ALPINEalpsalpine.com
A global manufacturer of electronic components and automotive infotainment systems, supplying a wide range of products and solutions worldwide |
1,879 |
| 44 |
AESCaesc-group.com
A global leader in high-performance battery development and manufacturing for electric vehicles and energy storage systems, driving the transition to clean energy solutions |
1,862 |
| 45 |
SHIMADZU CORPORATIONshimadzu.com
Providing world-class analytical instruments, medical imaging systems, aircraft equipment, and industrial machinery for health, safety, and industry advancement. |
1,858 |
| 46 |
Hitachi Automotive Systemshitachi-automotive.co.jp
Development and supply of powertrain, chassis, and ADAS technologies integrating IoT, AI, and connectivity for sustainable mobility solutions. |
1,761 |
| 47 |
Kurita Groupkurita.co.jp
A global leader in water treatment solutions, offering chemicals, facilities, and services worldwide to create new value for customers and society |
1,754 |
| 48 |
TOPPAN Groupholdings.toppan.com
Global provider delivering sustainable solutions in printing, communications, security, packaging, electronics, and digital transformation, with expertise to address diverse business challenges |
1,744 |
| 49 |
FURUKAWA AUTOMOTIVE SYSTEMS INC.furukawaas.co.jp
An automotive organization headquartered in Osaka, Japan, specializing in automotive systems |
1,741 |
| 50 |
Anritsuanritsu.com
A pioneer in communications equipment since 1895, offering test tools, quality assurance equipment, environmental measurement, and sensing devices |
1,733 |
| 51 |
Fujifilm Groupholdings.fujifilm.com
A holding company overseeing FUJIFILM Group's diverse businesses, adapting to digitalization by expanding into multiple growth fields beyond traditional photography materials |
1,715 |
| 52 |
Sumitomo Chemicalsumitomo-chem.co.jp
A company originally addressing air pollution from copper smelting, now focuses on diverse businesses driven by technological innovation to benefit society |
1,636 |
| 53 |
Fuji Electric Co., Ltd.fujielectric.com
The company is dedicated to integrating power semiconductor and electronics technologies with IoT to create sustainable solutions for industrial and social infrastructure sectors |
1,598 |
| 54 |
Mitsubishi Powerpower.mhi.com
Leading power solutions provider driving decarbonization through gas turbines, solid-oxide fuel cells, air quality control systems, and AI-enabled digital power plant solutions |
1,592 |
| 55 |
UD Trucksudtrucks.com
A leading Japanese provider of commercial vehicle solutions, dedicated to innovation and providing dependable trucks and services worldwide for smart logistics |
1,582 |
| 56 |
SAKATA INX CORPORATIONinx.co.jp
Specializing in manufacturing printing inks and functional materials, we innovate with earth-friendly technology to enhance life with color and happiness |
1,567 |
| 57 |
SEGAsega.co.jp
The company engages in planning, developing, and selling games for consoles, PCs, and smartphones, as well as arcade machines and character products |
1,487 |
| 58 |
ROHM Co., Ltd.rohm.com
Established in 1958, this company offers high-quality LSI and discrete semiconductors for automotive, industrial, and consumer markets worldwide, specializing in power and analog components |
1,467 |
| 59 |
Kawasaki Heavy Industries, Ltd.global.kawasaki.com
A global technology corporation with diverse products in aerospace, rolling stock, ships, energy solutions, robotics, and leisure products |
1,459 |
| 60 | 1,383 | |
| 61 |
Daikin Industries, Ltd.northamerica-daikin.com
Manufacturing and selling eco-friendly air conditioning products and services worldwide, focusing on sustainable HVAC&R solutions and technological innovation. |
1,377 |
| 62 |
Johnson Controls–Hitachi Air Conditioningbosch-homecomfortgroup.com
Global air conditioning manufacturer producing diverse HVAC products and solutions for residential and commercial buildings worldwide, known for industry-leading technology and innovation |
1,357 |
| 63 |
Mitsubishi Electric in Indiain.mitsubishielectric.com
A global leader in electrical and electronic equipment manufacturing for various industries, focused on enriching society with innovative technology solutions |
1,294 |
| 64 |
DNP Dai Nippon Printing Co., Ltd.global.dnp
Established in 1876, this company specializes in printing technology for various sectors such as packaging, decorative materials, electronic components, and information media supplies |
1,242 |
| 65 |
IHI Corporationihi.co.jp
A Japanese company with a history dating back to 1853, specializing in shipbuilding, aircraft engines, industrial machinery, bridges, and power station boilers |
1,239 |
| 66 |
Asahi Group Holdingsasahigroup-holdings.com
Global leader in beer, alcohol, non-alcohol beverages, and food, offering diverse brands worldwide with a commitment to taste and innovation. |
1,229 |
| 67 |
Hitachi High-Tech Corporationhitachi-hightech.com
Providing advanced products and solutions in semiconductors, healthcare, environment, materials, and infrastructure to solve global societal challenges. |
1,219 |
| 68 |
Mitsubishi Fuso Truck and Bus Corporationmitsubishi-fuso.com
Leading commercial vehicle manufacturer driving growth worldwide, focusing on electrification, connectivity, diversity, and career development for young talent and professionals |
1,192 |
| 69 |
Chugai Pharmaceutical Co., Ltd.chugai-pharm.co.jp
Research-based pharmaceutical company in Tokyo with world-class drug discovery capabilities, specializing in antibody engineering technologies to create innovative medical products |
1,188 |
| 70 |
INFINITI Motor Companyinfiniti.com
Design and manufacture of premium luxury vehicles focused on providing a personalized driving experience and sophisticated automotive engineering for global markets. |
1,165 |
| 71 |
PENTAX Medicalpentaxmedical.com
Global provider of endoscopic products and services focused on improving patient care through quality, innovation, and simplicity in healthcare delivery |
1,066 |
| 72 |
SANYO DENKI CO., LTD.sanyodenki.com
The company specializes in developing and manufacturing cooling systems, power systems, and servo systems for various industries and applications |
1,036 |
| 73 |
Bosch Japancorporate.bosch.co.jp
A global leader in technology and innovation, designing cutting-edge solutions for automotive and industrial sectors, with a focus on excellence and progress |
1,021 |
| 74 |
Otsuka Pharmaceutical Co., Ltd.otsuka.co.jp
The company is located in Tokyo and operates in Chiyoda-ku They are likely a business based in Japan |
954 |
| 75 |
Toyo Seikan Grouptskg-hd.com
A global packaging manufacturer that produces containers from metal, plastic, paper, and glass, aiming to create new societal value |
950 |
| 76 | 903 | |
| 77 |
RICOH Company Limitedricoh.com
A global provider of digital services and print solutions, Ricoh helps transform workplaces and optimize business performance, empowering individuals for a sustainable future |
889 |
| 78 |
MinebeaMitsumi Inc.minebeamitsumi.com
The company is involved in the manufacturing of machine processed products like bearings, electronic devices, semiconductors, motors, automotive parts, industrial machinery, and home appliances |
867 |
| 79 |
DIC Corporationdic-global.com
Established in 1908, the company specializes in manufacturing printing inks, organic pigments, and synthetic resins, offering solutions for various industries worldwide |
831 |
| 80 |
Rigakurigaku.com
A world leader in analytical and industrial instrumentation technology, specializing in X-ray diffraction, fluorescence spectrometry, small angle scattering, and more |
805 |
| 81 |
Tadano Ltd.tadano.com
Passionate about supporting customers in lifting solutions, designing products with care, and overcoming challenges with dedication Providing top-notch lifting services |
790 |
| 82 |
JVCKENWOODjvckenwood.com
A diverse company with leading brands in car electronics, professional systems, optical & audio, and entertainment software for over 80 years |
788 |
| 83 |
KOMATSU, Ltdhome.komatsu
A multinational corporation manufacturing construction, mining, forestry, and industrial equipment, including press machines |
770 |
| 84 |
Nippon Steel Corporationnipponsteel.com
A global steelmaker based in Japan focused on technology, cost efficiency, and global presence, striving to become the best in the industry |
734 |
| 85 |
KIOXIA Groupkioxia-holdings.com
A global leader in memory solutions, specializing in flash memory and SSDs, driving innovation with cutting-edge technology for various high-density applications |
729 |
| 86 |
Jamco Interiorsjamcointeriors.com
Specializing in large fleet aircraft refurbishment, reconfiguration, and modification, providing design and installation services with a global network of affiliated offices |
721 |
| 87 |
JFE Engineering Corpjfe-eng.co.jp
An engineering company focused on meeting future needs, aiming to become a global leader by delivering essential products and services for societies and industries |
720 |
| 88 |
Fuji Sealfujiseal.eu
Fuji Seal Europe provides innovative packaging solutions for FMCG, Chemical, Pharmaceutical industries with a focus on decorative impact, protection, and information-sharing |
718 |
| 89 |
NIPPON SHOKUBAIshokubai.co.jp
A global chemical company since 1941, specializing in unique catalyst technology and supplying products like ethylene oxide, acrylic acid, and superabsorbent polymer |
715 |
| 90 |
Fujirebiofujirebio.com
R&D-driven global teams develop new technologies and biomarkers for healthcare, focusing on high quality diagnostic solutions through partnerships and collaborations |
701 |
| 91 |
Eisai Co., Ltd.eisai.com
This company focuses on human health care, aiming to relieve anxiety, reduce disparities, and develop innovative products targeting diseases They also support the elimination of neglected tropical diseases |
699 |
| 92 |
Calsonic Kansei Corporationcalsonickansei.co.jp
Global automotive parts manufacturer focused on creating a comfortable environment through innovative products, technologies, and global management structure |
685 |
| 93 |
東芝テック(株)toshibatec.co.jp
A retail company located in Tokyo, Japan, specializing in tech products and services at their headquarters in Shinagawa City |
676 |
| 94 |
日立グローバルライフソリューションズ株式会社corp.hitachi-gls.co.jp
The company provides sales, engineering, and maintenance services for household appliances, air conditioning equipment, and facility machinery, along with digital product solutions |
669 |
| 95 |
Intersil (acquired by Renesas)renesas.com
A provider of high performance analog, mixed-signal, and power management solutions through integration with a global semiconductor leader |
662 |
| 96 |
KYB Corporationkyb.co.jp
A leading hydraulics company specializing in automotive shock absorbers with global presence, advanced technology, and strong commitment to innovation and sustainability |
658 |
| 97 |
Terumoterumo.com
A global leader in medical technology providing innovative solutions in vascular intervention, cardio-surgical, blood transfusion, cell therapy, and diabetes care |
641 |
| 98 |
FURUKAWA ELECTRIC GROUPfurukawa.co.jp
A global leader in developing advanced materials and technologies for telecommunications, energy, automotive, and electronics industries to enable a sustainable society |
633 |
| 99 |
SiiX Corporationsiix.co.jp
A global company offering comprehensive Electronics Manufacturing Services to electronics and automobile manufacturers, including parts procurement, logistics, and manufacturing |
624 |
| 100 |
STANLEY ELECTRIC CO., LTD.stanley-electric.com
A leading electrical manufacturer specializing in automotive lighting, optoelectronics, and UV products, with a focus on maximizing the value of light |
624 |
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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 Oct 24, 2026.
More company lists in Japan
- The largest companies in Japan 881
- Publicly traded companies in Japan 113
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