| # | 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 |
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 |
| 3 |
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 |
| 4 | 24,935 | |
| 5 |
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 |
| 6 |
Yamaha Corporationyamaha.com
Manufacturer and provider of musical instruments, sound-related products, and services focused on enriching lives through music and culture. |
13,023 |
| 7 | 10,685 | |
| 8 |
Muratamurata.com
Global leader in designing, manufacturing, and supplying advanced electronic components and modules for diverse devices and industries worldwide. |
7,404 |
| 9 |
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 |
| 10 |
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 |
| 11 |
Sony Electronicssonyjobs.com
Global company fostering innovation and creativity by empowering diverse, passionate teams to deliver exceptional, meaningful experiences to customers worldwide. |
5,852 |
| 12 |
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 |
| 13 |
Sony Mobile Communicationssony.com
Design and engineering of Xperia smartphones integrating advanced Sony technology, premium services, and entertainment for enhanced everyday experiences. |
4,848 |
| 14 |
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 |
| 15 |
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 |
| 16 |
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 |
| 17 |
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 |
| 18 |
Kubota Corporationkubota.com
Manufacture and sale of farm equipment, construction machinery, water treatment systems, pipes, pumps, and environmental engineering services globally. |
2,639 |
| 19 |
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 |
| 20 |
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 |
| 21 |
KONICA MINOLTA, INC.konicaminolta.us
Development manufacturing sales multifunctional peripherals printers healthcare systems measuring instruments electronic materials optical products functional films |
2,344 |
| 22 |
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 |
| 23 |
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 |
| 24 |
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 |
| 25 |
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 |
| 26 |
ALPS ALPINEalpsalpine.com
A global manufacturer of electronic components and automotive infotainment systems, supplying a wide range of products and solutions worldwide |
1,879 |
| 27 |
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 |
| 28 |
SHIMADZU CORPORATIONshimadzu.com
Providing world-class analytical instruments, medical imaging systems, aircraft equipment, and industrial machinery for health, safety, and industry advancement. |
1,858 |
| 29 |
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 |
| 30 |
Anritsuanritsu.com
A pioneer in communications equipment since 1895, offering test tools, quality assurance equipment, environmental measurement, and sensing devices |
1,733 |
| 31 |
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 |
| 32 |
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 |
| 33 |
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 |
| 34 |
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 |
| 35 |
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 |
| 36 |
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 |
| 37 |
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 |
| 38 | 1,383 | |
| 39 |
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 |
| 40 |
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 |
| 41 |
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 |
| 42 |
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 |
| 43 |
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 |
| 44 |
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 |
| 45 |
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 |
| 46 |
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 |
| 47 |
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 |
| 48 |
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 |
| 49 |
Rigakurigaku.com
A world leader in analytical and industrial instrumentation technology, specializing in X-ray diffraction, fluorescence spectrometry, small angle scattering, and more |
805 |
| 50 |
Konami Digital Entertainmentkonami.com
Leading digital entertainment company publishing video games for consoles and mobile devices with popular franchises like Metal Gear Solid, Pro Evolution Soccer, and Yu-Gi-Oh! Trading Card Game |
804 |
| 51 |
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 |
| 52 |
JVCKENWOODjvckenwood.com
A diverse company with leading brands in car electronics, professional systems, optical & audio, and entertainment software for over 80 years |
788 |
| 53 |
KOMATSU, Ltdhome.komatsu
A multinational corporation manufacturing construction, mining, forestry, and industrial equipment, including press machines |
770 |
| 54 |
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 |
| 55 |
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 |
| 56 |
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 |
| 57 |
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 |
| 58 |
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 |
| 59 |
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 |
| 60 |
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 |
| 61 |
Terumoterumo.com
A global leader in medical technology providing innovative solutions in vascular intervention, cardio-surgical, blood transfusion, cell therapy, and diabetes care |
641 |
| 62 |
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 |
| 63 |
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 |
| 64 |
FUJIFILM Business Innovation Corp.fujifilm.com
A company formerly known as Fuji Xerox, now FUJIFILM Business Innovation, provides innovative business solutions and services |
596 |
| 65 |
Honda R&D Co., Ltd.honda.co.jp
Specializing in research and development, established as a separate entity in 1960 with ownership split among key figures |
579 |
| 66 |
FUJITSU LIMITED(JAPAN)fujitsu.com
A global ICT company providing a wide range of products, services, and solutions with over 132,000 employees supporting customers in 100+ countries Aim for a prosperous future using technology |
559 |
| 67 |
Brother Industries, Ltd.global.brother
A global provider of a diverse range of products including printers, label printers, sewing machines, industrial equipment, and on-demand karaoke |
553 |
| 68 |
Astroscaleastroscale.com
Astroscale is a leading private company focused on on-orbit servicing to secure safe and sustainable development of space and mitigate space debris buildup |
486 |
| 69 |
CHARMANT Groupcharmant.com
Design and manufacture high-quality titanium eyewear with focus on innovation, craftsmanship, honest pricing, and strong brand identities. |
268 |
| 70 |
SoftBank Robotics Japansoftbankrobotics.com
The company integrates robots into various industries to create a future where humans and robots live and work together harmoniously for mutual benefit |
164 |
| 71 |
Canon Electronics Inc.canon-elec.co.jp
Develops, produces, sells precision machines, instruments, electric and electronic machines, information devices, and software. Now entering the newspace industry. |
80 |
| 72 |
Kawada Robotics Corporationkawadarobot.co.jp
Specializing in the full spectrum of production from development to maintenance, including machines, equipment, systems, and software design and manufacturing |
20 |
| 73 |
Yamato MFG Co., Ltd.yamatonoodle.com
Manufacturer of small-scale noodle machines and provider of noodle schools for starting noodle restaurants Offers advanced machines and expert knowledge on noodles |
5 |
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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.
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