Top companies in Tokyo

NTT DATA, Inc. is a trusted global innovator of business and technology services. We're committed to helping clients innovate, optimize and transform for long-term success. Our R&D investments help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity.

• 60.8k employees
• Founded 2019

NTT DATA – a part of NTT Group – IT and business services headquartered in Tokyo. We help clients transform through consulting, industry solutions, business process services, digital & IT modernization and managed services. NTT DATA enables them, as well as society, to move confidently into the digital future. We are committed to our clients’ long-term success and combine global reach with local client attention to serve them in over 50 countries around the globe.

• 48.7k employees
• Founded 1990

For over 100 years, Hitachi has been committed to developing innovations that improve lives. Today, this means creating superior technology and products that balance environment, well-being, and economic growth. We integrate IT, operational technology (OT), and products to transform critical infrastructure and industrial systems. Through Hitachi’s process for creating value from data, which we call Lumada, we combine rich industry insight and infrastructure expertise to create measurable, positive change. We operate across four global sectors – Digital Systems & Services, Energy, Mobility, and Connective Industries – plus a Strategic Social Innovation Business Unit developing next-generation solutions. With over 280,000 employees across 618 consolidated subsidiaries in over 140 countries, we partner with our customers to create a harmonized society and build what’s next for people and planet.At Hitachi, we want to foster a professional and respectful community on LinkedIn. Comments containing personal attacks, defamation, or harassment will be removed.

• Post-IPO equity
• 45.6k employees
• Founded 1910

We strive to transform lives. While the science we advance is constantly evolving, our core purpose is enduring. For more than two centuries, our values have guided us to do what’s right for patients and for society.We know that changing lives requires us to do things differently. We start by listening to and addressing what really matters to patients, the people who love them, and those in the healthcare system who provide care. And that’s what inspires us all to be bold, push boundaries and set new standards that open up greater opportunities.Read our community guidelines: https://takeda.info/communityguidelines

• Post-IPO debt
• 37.2k employees

Japan Tobacco Inc. is a global company with products available in over 130 markets. We operate mainly in the tobacco and processed food businesses with approximately 53,000 employees and 61 factories worldwide as of 2025 yearend. Under the 4S model, we strive to fulfill our responsibilities to our valued consumers, shareholders, employees and the wider society. By pursuing the 4S model, we aim to achieve sustainable profit growth over the medium and long term. To realize the JT Group Purpose of “Fulfilling Moments, Enriching Life”, we will work to maximize the value of the company. D-LAB, our corporate R&D organization, is further supporting the realization of the JT Group Purpose, by exploring long-term growth opportunities.Our tobacco business manufactures and sells renowned brands in combustibles including Winston, Camel, MEVIUS and LD. As a leading and responsible company, we are committed to investing in reduced-risk products (RRP) that have the potential to reduce the risks associated with smoking. These products are sold under dedicated brands, such as Ploom (heated tobacco products), Logic (E-vapor), Nordic Spirit (nicotine pouches), and WITH (infused tobacco products).Our processed food business focuses on frozen and ambient food, mainly frozen noodles, frozen okonomiyaki (Japanese savory pancakes) and packaged cooked rice, as well as seasonings, including yeast extracts. Headquartered in Tokyo, Japan Tobacco Inc. is listed on the primary section of the Tokyo Stock Exchange (ticker: 2914.T) and is the recipient of several global awards and recognitions, including CDP, S&P/JPX Carbon Efficient Index, FTSE Blossom Japan Indices.

• Post-IPO debt
• 33.7k employees
• Founded 1985