List of Member Companies


Sumitomo Chemical Co., Ltd. was established in 1913 to manufacture fertilizers from sulfur dioxide produced during copper smelting at the Besshi Copper Mine, thus solving a smoke pollution problem caused by emission of the gas. With five business sectors—Essential Chemicals & Plastics, Energy & Functional Materials, IT-related Chemicals, Health & Crop Sciences, and Pharmaceuticals—Sumitomo Chemical is today a global supplier of products that are essential for diverse industries while also benefiting countless people in their daily lives. Capitalizing on its technological prowess, Sumitomo Chemical will continue helping solve the problems the world is facing in such areas as resources, energy, food, and the environment.

Sumitomo Bakelite Co., Ltd., a pioneer in plastics, is continuously advancing R&D and sales of the following three core businesses: materials for information and communications equipment, high-performance plastics, and (medical and other) products designed to improve the quality of life. Further information about the company can be found at above.

Sumitomo Seika Chemicals Co., Ltd., established in 1944, is a chemical company offering products with unique functions. Our products are super absorbent polymers for disposable diapers, functional chemicals, such as polymer products for cosmetics or pharmaceutical products, electronics gases for liquid crystal and LED, and oxygen gas generators for steel manufacturers. We are promoting the development of such products for various industries that make our lives easier while paying attention to quality, environment, and safety. We aim to be a chemical company that consistently contributes to society.

Sumitomo Pharma defines its corporate mission as "to broadly contribute to society through value creation based on innovative research and development activities for the betterment of healthcare and fuller lives of people worldwide". By pouring all our efforts into the research and development of new drugs, we aim to provide innovative and valuable pharmaceutical solutions to people not only in Japan but also around the world in order to realize our corporate mission. We will remain committed to research and development with the aim of continually discovering excellent pharmaceutical products in our focus research areas of Psychiatry & Neurology, Oncology, and Regenerative Medicine & Cell Therapy.


Since its origin in 1888 as a machine repair shop at the Besshi Copper Mine, Sumitomo Heavy Industries, Ltd. (SHI) has developed into an integrated manufacturer whose business encompasses industrial machinery such as power transmission and control equipment, plastics processing machines, industrial cranes, and hydraulic excavators, environmental facilities and plants, and ships. SHI has developed leading-edge systems to meet increasingly sophisticated and diversifying customer needs, including semiconductor and liquid crystal manufacturing equipment and medical systems. Through the pursuit of technology development, SHI will keep on contributing to the development of society and industry.

Sumitomo Construction Machinery Co, Ltd. (SCM) is a construction machinery manufacturer with world-class development capabilities and manufacturing technologies. Cumulative production of hydraulic excavators, a well-known SCM product, has reached 210,000 units, and Sumitomo excavators are in service worldwide. SCM recently enriched the excavator product line by adding models for special applications such as metal scrap handling, demolition, and forestry. The company also holds the top market share in Japan for asphalt finishers used for road paving.
Main Production Items
Pneumatic excavators (6 tons to 80 tons), material handling machines, road construction machinery (asphalt finishers, vibrating rollers)

The Sumitomo Precision Products Group deploys cutting-edge precision technologies and precision manufacturing to offer solutions addressing needs in diverse fields. Our product portfolio ranges from aerospace products, heat exchangers, hydraulic control products, and ozone generators to semiconductor manufacturing equipment and MEMS devices. We are endeavoring to grasp the changes reshaping our world so as to achieve sustainable growth and prosperity hand in hand with society.

Finance and Insurance

Sumitomo Mitsui Banking Corporation Group offers a broad range of financial services centered on banking. The Group is also engaged in the leasing, securities, credit card, investment, mortgage securitization, venture capital and other credit related businesses.

Based on the “Trustee Spirit” and with significant expertise and comprehensive capabilities, Sumitomo Mitsui Trust Bank will swiftly provide comprehensive solutions to our clients、by leveraging a new business model, combining its banking, asset management and administration, and real estate businesses.

Sumitomo Life Insurance Company provides various types of life and annuity insurance products for both individuals and groups, with particular focus on the comprehensive insurance "LIVE ONE" The collected premiums and other corporate assets, amounting to a pproximately 21 trillion yen, are invested in securities, cash loans, and real estate.

Mitsui Sumitomo Insurance Co., Ltd. defines its mission as contributing to the development of a vibrant society and helping secure a sound future for the earth by bringing security and safety through the global insurance and financial services business. The company is implementing initiatives to realize its vision: “To create a world-leading insurance and financial services group that consistently pursues sustainable growth and enhances corporate value.”

Since its establishment in 1967, Sumitomo Mitsui Card has been trailblazing the credit card industry in Japan as the pioneer issuer of Visa Card and a comprehensive settlement solutions provider championing cashless payment.
Headquarters functions of Sumitomo Mitsui Card and SMBC Finance Service have been concentrated at the SMBC Toyosu Building since April 2021. By enhancing collaboration between the two companies seamlessly, we are promoting further integration of their businesses and enriching our services as we take SMBC Group’s cashless payment strategy to the next level.
Offering products and services capitalizing on our strengths and attributes, including the customer base and expertise cultivated as the leading contender in the industry and the trust earned from customers, Sumitomo Mitsui Card aspires to be the customer’s first-choice “digital & innovation” enterprise supporting customer payments in every sphere.

Sumitomo Mitsui Finance and Leasing (SMFL) is a leading leasing company in Japan. Backed by the comprehensive capabilities of the SMBC Group and the Sumitomo Corporation Group, SMFL is the source of a wide range of financial services that facilitate the success of customers’ capital investment and sales & marketing.
SMFL’s high value-added services include an aircraft leasing business with one of the world’s largest fleets, a real estate business ranging from leasing and development to asset management and a satellite office service, an environmental and energy business forging ahead with decarbonization, and new business development driven by digital innovation.
Aspiring to be “the best business partner,” SMFL is committed to the sustainable development of its customers and society through the provision of services and solutions that go beyond the framework of finance.

SMBC Nikko Securities Inc. (SMBC Nikko) will celebrate its centenary on July 7, 2018.
As well as being the culmination of SMBC Nikko’s illustrious first century, 2018 raises the curtain on the firm’s promising second century.
On January 1, at the start of this auspicious year, SMBC Nikko merged with SMBC Friend Securities, the two firms having previously competed amicably as subsidiaries engaged in the securities business of the Sumitomo Mitsui Financial Group. Officers and employees of SMBC Nikko are joining forces with their new colleagues from SMBC Friend Securities. Inspired by the “Share the Future” corporate message, SMBC Nikko is eager to offer new value to customers by leveraging the capabilities of the entire Sumitomo Mitsui Financial Group.

Sumitomo Mitsui Auto Service Co., Ltd. is one of the leading companies in vehicle leasing industry. Not limited to vehicle leasing, the company also provides unique services which enable to solve customers' individual painpoints from all aspects, by providing high-quality fleet management.
Through the company's history and experience in close connection with the customers, the company strives to become a mobility service provider who will create new value and the future.

Nonferrous Metals

Sumitomo Metal Mining Co., Ltd., (SMM) is the present-day successor to Sumitomo’s original business, copper mining and copper smelting, dating back more than four centuries. Today, SMM’s worldwide integrated operations span everything from the most upstream sector of manufacturing to materials used in familiar products; developing, smelting, and refining mineral resources, with a focus on non-ferrous metals such as gold, copper and nickel; and developing and producing electronic materials, functional materials, and other products that support innovation in society.
SMM aspires to be not only a global leader in non-ferrous metals but also an excellent Japanese company by capitalizing on a unique business model, positioning mineral resources, smelting and refining, and materials as its three core business sectors while deploying technological and R&D capabilities drawing on a wealth of experience in each of these sectors.

Sumitomo Electric Industries, Ltd. was established in 1897. Since then, based on electric wire and cable manufacturing technologies, we have conducted our original research and development and strenuously striven for the establishment of new businesses. These efforts have allowed us to create new products and technologies, as well as diversify our business fields. Currently, we operate globally in the following five segments: Automotive; Infocommunications; Electronics; Environment & Energy; and Industrial Materials. We contribute to society through environmental friendly and fair business activities.


The Sumitomo Corporation Group is applying its integrated corporate strengths to great effect in multifaceted business activities that serve customers in countries and regions worldwide. “Enriching lives and the world,” the corporate message created to mark the Group’s 2019 centennial, expresses the essence of Sumitomo’s Business Philosophy. Engaged in a ceaseless quest to create new value, we are pursuing enhanced sustainability management capable of sustainable growth with society.

Warehousing and Transportation

The Sumitomo Warehouse Co., Ltd. is a provider of integrated logistics services encompassing warehousing, harbor transportation, international transportation and air freight forwarding utilizing its logistics bases in Japan and overseas.

In Japan, the company focuses on distribution center business for corporate customers and archiving business, which is the storage and management service mainly for confidential documents. It is also pursuing overseas business expansion especially in the ASEAN countries. With its own integrated distribution information system called SWIFT, the company actualizes centralized management of logistics information around the world.

The company is also actively engaged in the real estate business, which involves the leasing of office buildings, commercial properties, and condominiums.

Cement & Glass

The NSG Group (Nippon Sheet Glass Co., Ltd. and its group companies) is the world's leading supplier of glass and glazing systems in the business areas of Architectural, Automotive and Creative Technology.
Architectural manufactures and supplies architectural glass as well as glass for the solar energy and other sectors.
Automotive serves the original equipment (OE) and aftermarket replacement (AGR) glazing markets.
Creative Technology comprises several discrete businesses, including lenses and light guides for printers and scanners, and specialty glass fiber products such as glass cord for timing belts and glass flake.

At Sumitomo Osaka Cement Co., Ltd., we contribute to building a recycling-oriented society through recycling of various industrial wastes at cement plant, and play a role in building social infrastructure such as roads, tunnels, dams, airports, and river dike, coast levee for protecting human life and property through providing cement.

In addition to Cement-related Business (cement, mineral resources, and cement-related products), we also leverage our proprietary technology to expand our High-Performance Product Business(optoelectronics, advanced materials), are pursuing next-generation materials.

We are aiming to become a corporate group on a steady growth trajectory, by expanding our presence in the markets of both the Cement-related Business and High-Performance Product Business.


On the 1st of April 2003, SUMITOMO MITSUI CONSTRUCTION CO., LTD. was established with the objective of utilizing leading edge construction technology to further develop infrastructure and thereby realize its ambitious development goals.

For many years the two companies involved in the merger have developed world class technology for the construction of super skyscrapers, anti-seismic buildings, pre-stressed concrete structures and tunnels. This tradition of development will continue with the new company as the established technology development is expanded into new and more extensive areas.

The company takes great pride in creating the foundations of society, the economy and culture, and shall continue contributing to the public by maintaining a commitment to our core business beliefs of: Trust, Reliability, and Creativity.

Sumitomo Forestry traces its origin back to the management of forests surrounding the Besshi Copper Mines, which date back to 1691. Today, the Sumitomo Forestry Group owns and manages about 280,000 hectares of forests in Japan and overseas.

The Sumitomo Forestry Group oversees businesses centered on wood in Japan and overseas, ranging from; forest management, to the procurement and manufacturing of timber and building materials, wood construction, and wood biomass power generation. Through Sumitomo Forestry’s wood cycle of harvesting and processing, using, recycling, and planting trees, it is possible to increase the CO2 absorption amount of forests in order to store carbon for long periods by using timber. As a partner of the global shift toward decarbonization, the Sumitomo Forestry Group will provide unique wood solutions and contribute toward the realization of a sustainable society.

The Sumitomo Densetsu Group is a comprehensive engineering enterprise that undertakes wide-ranging facilities construction projects, including construction of electrical facilities, information and communications systems, and electric power, air conditioning, and plant facilities. It also has extensive construction experience in the environmental sector, including solar power generation systems and building management systems, and in IT-related fields such as network construction. By applying advanced technological capabilities corresponding to the needs of the era, the group will continue pursuing greater functionality and convenience while helping sustain an environment which is friendly to people and the Earth.

Rubber Products

Since our founding in 1909, the Sumitomo Rubber Group has created numerous Japan-first and world-first products and technologies, from manufacturing Japan’s first domestic automobile tire in 1913 to developing the world’s first 100% fossil resource-free tires and more. Taking full advantage of our advanced proprietary rubber technologies, the Sumitomo Rubber Group is actively engaged in the global manufacture and sale of various types of tires for passenger cars, trucks, buses and motorcycles under our flagship DUNLOP and FALKEN brands. In addition to our main Tire Business, we also operate a Sports Business and an Industrial Products Business, manufacturing and selling everything from golf balls and clubs to dock fenders and medical rubber stoppers worldwide.

“Our Philosophy,” the Corporate Philosophy Framework of the Sumitomo Rubber Group, defines our Purpose thusly: “Through innovation we will create a future of joy and well-being for all.”

Founded in 1929, Sumitomo Riko is a manufacturing company headquartered in Nagoya-shi, Aichi, Japan. We changed our name from Tokai Rubber Industries, Ltd. in 2014. In the field of “Automotive (Mobility)”, we manufacture anti-vibration rubber parts, in which we have a leading global share, as well as rubber and resin hoses, urethane sound controlling & insulation products, and interior equipment. We are also applying the technologies we have accumulated in automobile parts development to expand our business in the fields of “Infrastructure and Housing environment”, “Electronics”, and “Healthcare”. Utilizing our global network in more than 20 countries across the world, we aim to be a “Global Excellent Manufacturing Company” that contributes to the safety, comfort, and environment of people worldwide.


NEC Corporation, Japan’s first joint venture funded by foreign capital, was established in 1899 in partnership with Western Electric of the United States to manufacture and sell telephone equipment. Following its 1977 declaration advocating the unification of computers and communications (C&C), NEC developed businesses centering on information and networking technologies. NEC formulated the brand message “Orchestrating a brighter world” in 2014 and is now focusing on solutions that help solve pressing social issues and create social value in response to global megatrends.

Electric Equipment

Sumitomo Wiring Systems, Ltd. was established in 1917 as an electrical wire manufacturer. The company began producing wire harnesses, currently its principal product, in 1957. By constantly monitoring the changing times, we have established a firm business foundation and areas based on the “connection technologies” obtained through our wire business. In step with development of the automotive industry, the company has secured a leading position as a manufacturer with global reach specializing in wire harnesses for the automotive industry.

Since its founding in 1917, Nissin Electric Co., Ltd. has contributed to the development of social and industrial infrastructure while earning the trust of customers and society. Today the company offers outstanding technologies and high-quality products and services through three businesses. The Power Supply and Environment System Business is a leading source of capacitors, gas insulated switchgear which having the top-class market share in Japan and other products for the safe and efficient supply of electricity and contribute to effective use of renewable energy. The Beam and Plasma Business is responding to the functional enhancement of leading-edge equipment used in the manufacture of mobile terminals, automotive parts and other products. The Equipment and Parts Solution Business is offering solutions which utilize accumulated manufacturing technology and responding to demands in the emerging countries. Nissin Electric has contributed to the creation of smart communities by proposing smart power supply systems (SPSS), which provide a total solution for stable supply of electricity, energy conservation, cost saving, and CO2 emissions reduction.

Ever since its founding in 1897, Meidensha Corporation has been working on the relentless pursuit of new technology and product developments and witnessed the steady growth. Our product offerings cover wide area, such as generators, substation equipment, electronic equipment and information equipment. Our mission is not only to provide these products but also to recommend the best solutions on the basis of what customer values best. In order to realize these best solutions, we engage in the supply of various products and provide the various related services such as engineering, facility management (including operation and maintenance) , repair and product-life support.


From Dreams to Reality through “Knowledge Engineering”

The Japan Research Institute, Limited (JRI) is a “knowledge engineering” company that offers comprehensive high value-added services, effectively combining the three functions of information systems integrator, consultant, and think-tank.
Targeting customers in a wide range of sectors, JRI offers consulting services focusing on management innovation and IT-related issues. It also provides services such as the design and development of strategic information systems, as well as outsourcing. In addition, JRI conducts research and analysis of both domestic and overseas economies, formulates policy recommendations, and assists in the incubation of new businesses.

SCSK provides a full lineup of services to support any area of IT solution required for businesses from consulting to system integration, verification services, IT infrastructure implementation, IT management, IT hardware and software sales, and BPO(business process outsourcing).

Real Estate

Sumitomo Realty & Development Co., Ltd. is one of the leading comprehensive real estate enterprises in Japan, engaging in various businesses such as office building leasing, condominium sales, remodeling, custom homes, brokerage, etc. Through its businesses closely related to people’s daily lives, the Company focuses on sustainable urban development with “Disaster-resistant,” “Environmentally Friendly,” “Together with Community” and “People Friendly,” under its fundamental mission of “create even better social assets for the next generation.”