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—Petrochemicals & 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 Dainippon 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)

Sumitomo Precision Products Co., Ltd. currently manufactures and markets aerospace equipment, heat controllers, hydraulic equipment, ozone-UV combined treatment systems, and semiconductor/LCD manufacturing systems. The Company is also developing motion sensors.

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: “Create a world-leading insurance and financial services group that continues to seek sustainable growth and to enhance enterprise value.”

As the pioneer issuer of Visa Card in Japan and a leader in cashless transactions nationwide, Sumitomo Mitsui Card has earned the loyalty of numerous customers. In order to fulfill the central role in the SMBC Group’s cashless payment strategy, the company has moved with particular agility in the card business, making Cedyna Financial Corporation a wholly owned subsidiary in April 2019 and pursuing initiatives together with Cedyna and SMBC Finance Service Co., Ltd. By reshaping the three-company system, including through the merger of Cedyna and SMBC Finance Service in July 2020, the company has strengthened systems for promoting a comprehensive settlement solutions business for corporate clients. The aims is to grow this business into a core business of the SMBC Group. Capitalizing on its strengths and attributes, including the customer base and expertise cultivated so far, as well as the trust and confidence earned from customers, Sumitomo Mitsui Card aspires to be Japan’s No.1 comprehensive settlement solutions company.

Sumitomo Mitsui Finance and Leasing (“SMFL”) is a leading Japanese leasing company with an extensive history going back to its origination of the leasing business in 1968. SMFL provides financial solutions and services appropriate to the diverse needs of customers by taking advantage of its abundant experience and past performance results accumulated over the years while appropriately responding to the globalization of capital expenditures and sales activities overseas. SMFL also develops an unparalleled aircraft leasing business.
In November 2018, a reorganization of Sumitomo Mitsui Financial Group’s and Sumitomo Corporation’s joint leasing partnership was executed with the goal of drastically heightening competitiveness and achieving sustainable growth. Acting in its capacity as SMBC Group’s leasing business platform, SMFL is contributing to the development of society through engagement in the business sectors which are expected to experience future growth such as green energy, social infrastructure, and healthcare.

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.


With its global network and based on trust from companies in various industries and from consumers, Sumitomo Corporation engages in multifaceted business activities by making the most of its Integrated Corporate Strength. These business activities include sales of a variety of products and services, import and export, trilateral trade, and domestic and international business investment.

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

NSG Group (Nippon Sheet Glass, Co.Ltd.) has been realizing the potential of glass as a material to create a comfortable living space since 1918. With principal operations worldwide, sales in over 100 countries and approximately 27,000 employees, it is a leading manufacturer of glass and glazing products for the architectural, automotive industry and technical glass sectors. After the acquisition of Pilkington plc in 2006, the Pilkington name was retained as a brand for the Group’s architectural and automotive products.

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, and battery 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 48,000 hectares of forests in Japan (1/800th of Japan’s land area). Based on this forestry business, the Group operates diverse businesses in Japan and overseas centering on the interconnection of timber and lifestyles. They range from timber and building materials, housing, real estate brokerage, and development and landscaping to the MOCCA (timber solutions) business promoting the use of timber for medium- and large-scale buildings, elderly care facilities, and biomass power generation. Continuing its quest to realize the tremendous potential of timber, Sumitomo Forestry is contributing to the emergence of an affluent, 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

Sumitomo Rubber Industries, Ltd. was founded in Kobe in 1909. Since producing Japan’s first automotive tires in 1913, it has created numerous world-first and Japan-first technologies and products, such as 100% fossil resource-free tires. The company takes full advantage of its unique rubber technologies to engage in global business operations in three fields: the core Tire Business, involving the manufacture and sale of automobile tires marketed under the Dunlop, Falken, and other brands, truck and bus tires, and motorcycle tires; the Sports Business; and the Industrial and Other Products Business.

Founded in 1929, Sumitomo Riko Company Limited is a manufacturer headquartered in Nagoya. The company name was changed from Tokai Rubber Industries in 2014. In the automotive sector, it is the global market share leader for anti-vibration rubber and manufactures rubber and rasin hoses, urethane sound controlling/insulation products, and interior equipment. The company also has business operations in the electronics, infrastructure, and housing environment & health and nursing fields, leveraging technologies accumulated through automotive parts development. The Sumitomo Riko Group aspires to be a Global Excellent Manufacturing Company by providing safety, security, and comfort to people around the world through a global network spanning 106 business sites in 23 countries.


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 four businesses. The Power System Equipment 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. The Renewable Energy and Environment Business is meeting ever-increasing global needs for photovoltaic systems, supervisory control systems for waterworks, and other public infrastructure. The Charged Beam Equipment and Processing Business is contributing to the functional enhancement of leading-edge equipment used in the manufacture of mobile terminals, automotive parts and other products. The Life Cycle Engineering Business is providing reliability and security from the customer’s viewpoint. In recent years, 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 is an IT service company established in 1969.SCSK provides a full lineup of services to support any area of IT solution required for businesses from consulting, to systems development, IT infrastructure implementation, IT management, BPO(business process outsourcing), and IT hardware and software sales.In addition, we take advantage of the capability to support a global IT system network for customers including Sumitomo Corporation, aiming for further leaps ahead.

Real Estate

Sumitomo Realty & Development Co, Ltd.’s mission is “To create even better social assets for the next generation” through businesses closely related to people’s daily lives, including the development and leasing of office buildings, sales of condominiums, real estate brokerage, custom home building, and remodeling. To fulfill this mission, the company focuses on urban development that is disaster resistant, people friendly, environmentally friendly, and in harmony with history and culture.