These Japanese companies are primarily large groups and mid-sized firms specializing in robotics and automation. Their activities span industrial machinery manufacturing, electrical and electronics manufacturing, and IT services. Many are involved in providing solutions for various industries, including automotive, home appliances, and industrial equipment, with a focus on enhancing efficiency and sustainability.
Notable companies include Hitachi, which creates advanced social infrastructure systems, and Panasonic, which offers sustainable solutions. Mitsubishi Heavy Industries delivers integrated solutions across multiple sectors, while Nidec Corporation Global focuses on designing and producing electric motors. Yokogawa provides measurement, control, and information solutions, and KEYENCE CORPORATION develops factory automation equipment.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
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 | |||
| 2 |
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 | |||
| 3 |
Mitsubishi Heavy Industriesmhi.com
Delivers innovative integrated solutions across power, energy, machinery, infrastructure, aerospace, and defense, advancing lives and environmental sustainability globally. |
15,162 | |||
| 4 |
Nidec Corporation Globalnidec.com
Designing, producing, and marketing electric motors and their associated components and parts are core activities across various industries including automotive, home appliances, and industrial equipment. |
11,960 | |||
| 5 |
Yokogawayokogawa.com
Provides measurement, control, information solutions across diverse industries; optimizes production, assets, supply chains with digital technologies; enables autonomous operations. |
8,675 | |||
| 6 |
KEYENCE CORPORATIONkeyence.com
Development and manufacturing of factory automation equipment including sensors, measuring instruments, vision systems, laser markers, and digital microscopes worldwide. |
6,685 | |||
| 7 |
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 | |||
| 8 |
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 | |||
| 9 |
Daifukudaifuku.com
Provider of comprehensive material handling solutions to enhance global competitiveness, addressing logistics challenges with technology and expertise across various industries worldwide |
1,932 | |||
| 10 |
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 | |||
| 11 |
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 | |||
| 12 |
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 | |||
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. | |||||
| 13 |
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 | |||
| 14 |
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 | |||
| 15 |
Kanadevia Corporationkanadevia.com
A Japanese business with head offices in Osaka and Tokyo, specializing in [omitted] services |
534 | |||
| 16 |
Panasonic Industrypanasonic.com
An organization blending diverse device technologies to lead societal change, envisioning the future, and contributing to a rich society with strong values |
402 | |||
| 17 |
NIDEC INSTRUMENTS CORPORATIONnidec.com
Manufacturer of high-quality micro motors, stepping motors, card readers, industrial robots, and other equipment for IT, multimedia, industrial, and consumer applications |
364 | |||
| 18 |
Mujinmujin-corp.com
Mujin develops autonomous robots and industrial equipment powered by MujinController, utilizing Machine Intelligence to automate work in harsh environments worldwide |
355 | |||
| 19 |
Azbil Corporationazbil.com
A global leader in building and industrial automation, providing high value-added solutions for efficiency, sustainability, safety, and comfort in various industries |
355 | |||
| 20 |
ispace, inc.ispace-inc.com
A global lunar resource development company specializing in lunar landers and rovers, aiming to expand human life into space sustainably |
348 | |||
| 21 |
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 | |||
| 22 |
Conteccontec.com
A global leader in industrial devices, offering a wide range of controllers, peripheral devices, and network devices for various industries worldwide |
213 | |||
| 23 |
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 | |||
| 24 |
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 | |||
| 25 |
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 | |||
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 Nov 12, 2026.
More company lists in Japan
- The largest companies in Japan 932
- Multinational companies in Japan 470
- Companies with in-house R&D in Japan 287
- Manufacturers in Japan 224
- Publicly traded companies in Japan 209
- Corporate groups and holding companies in Japan 181
- Hardware manufacturers in Japan 142
- IT Services and IT Consulting companies in Japan 105
- Education providers in Japan 75
- Companies with a mobile app in Japan 69
- Professional services firms in Japan 69
- Electronics and semiconductor companies in Japan 68
- IT services companies in Japan 64
- AI companies in Japan 63
- Automotive manufacturers and suppliers in Japan 60
- Critical infrastructure operators in Japan 59
- Higher Education companies in Japan 57
- Research institutes in Japan 55
- Consulting firms in Japan 52
- Chemical companies in Japan 51
- Financial services firms in Japan 50
- Public sector organisations in Japan 48
- Energy companies in Japan 45
- Retail chains in Japan 45