| # | 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 | 13,086 | |
| 6 |
Renesas Electronicsrenesas.com
It provides embedded semiconductor solutions for automotive, industrial, infrastructure, and IoT industries, focusing on quality and user experience. |
11,993 |
| 7 |
Muratamurata.com
Global leader in designing, manufacturing, and supplying advanced electronic components and modules for diverse devices and industries worldwide. |
7,404 |
| 8 |
KEYENCE CORPORATIONkeyence.com
Development and manufacturing of factory automation equipment including sensors, measuring instruments, vision systems, laser markers, and digital microscopes worldwide. |
6,685 |
| 9 |
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 |
| 10 |
Sony Electronicssonyjobs.com
Global company fostering innovation and creativity by empowering diverse, passionate teams to deliver exceptional, meaningful experiences to customers worldwide. |
5,852 |
| 11 |
KYOCERA Globalglobal.kyocera.com
Development of fine ceramics, semiconductor components, electronic devices, AI, IoT systems, and document solutions addressing critical global issues. |
4,375 |
| 12 |
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 |
| 13 |
Advantestadvantest.com
Leading manufacturer of automatic test and measurement equipment for semiconductor design and production, serving applications such as 5G, IoT, AI, and more globally |
3,901 |
| 14 |
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 |
| 15 |
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 |
| 16 |
KONICA MINOLTA, INC.konicaminolta.us
Development manufacturing sales multifunctional peripherals printers healthcare systems measuring instruments electronic materials optical products functional films |
2,344 |
| 17 |
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 |
| 18 |
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 |
| 19 |
ALPS ALPINEalpsalpine.com
A global manufacturer of electronic components and automotive infotainment systems, supplying a wide range of products and solutions worldwide |
1,879 |
| 20 |
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 |
| 21 |
Anritsuanritsu.com
A pioneer in communications equipment since 1895, offering test tools, quality assurance equipment, environmental measurement, and sensing devices |
1,733 |
| 22 |
Resonacresonac.com
This company specializes in cutting-edge functional materials technologies and aims to co-create a better society through innovative solutions in the chemical industry |
1,691 |
| 23 |
Fujikura Ltd.fujikura.co.jp
Aiming for customer appreciation, Fujikura Group delivers reliable wires, cables, and products in telecommunications, energy, electronics, and automotive sectors |
1,657 |
| 24 |
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 |
| 25 |
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 |
| 26 |
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 |
| 27 |
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 |
| 28 |
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 |
| 29 |
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 |
| 30 |
Nitto Denko Corporationnitto.com
Development and supply of diverse products for electronics, automobiles, housing, infrastructure, environment, and medical fields worldwide with innovation focus. |
1,174 |
| 31 |
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 |
| 32 |
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 |
| 33 |
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 |
| 34 |
Rigakurigaku.com
A world leader in analytical and industrial instrumentation technology, specializing in X-ray diffraction, fluorescence spectrometry, small angle scattering, and more |
805 |
| 35 |
Macnicamacnica.co.jp
Global distributor of technology solutions in AI, IIoT, Mobility, Cyber Security, Healthcare, Robotics, Smart Energy, and Semiconductors, operating worldwide |
795 |
| 36 |
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 |
| 37 |
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 |
| 38 |
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 |
| 39 |
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 |
| 40 |
Yokogawa Electric Corporationyokogawa.com
An electrical/electronic manufacturing company based in Italy, specializing in innovative solutions for industries such as power, chemicals, and pharmaceuticals |
346 |
| 41 |
Roland Corporationroland.com
Leading manufacturer and distributor of electronic musical instruments, including keyboards, synthesizers, guitar products, percussion, recording equipment, amplifiers, and audio processing devices Influencing modern music for over 40 years |
241 |
| 42 |
Conteccontec.com
A global leader in industrial devices, offering a wide range of controllers, peripheral devices, and network devices for various industries worldwide |
213 |
| 43 |
TOPPAN Edge Inc.holdings.toppan.com
An information solutions company specializing in optimizing information transmission through printed and electronic documents, RFID, IC, and printed electronics technologies |
184 |
| 44 |
IDEC Corporation - Global Headquartersidec.com
A global manufacturer of control automation products for industrial, commercial, and residential applications, specializing in safety, productivity, and environmental solutions |
160 |
| 45 |
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 |
| 46 |
Tamron Co., Ltd.tamron.com
Develops and manufactures a variety of optical products including photographic lenses, optical components, and optics for commercial and industrial use. |
78 |
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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.
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