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, polymer products for cosmetics, electronics gases for liquid crystal and LED. We aim to be a chemical company that consistently contributes to society.

The corporate mission of Sumitomo Dainippon Pharma Co., Ltd. is “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.” To accomplish this mission by being a source of innovative and useful pharmaceuticals for people in Japan and around the world, the company’s efforts are focused on R&D of new drugs. Sumitomo Dainippon Pharma aims to discover innovative drugs in its focus therapeutic areas of psychiatry & neurology and oncology, where unmet medical needs are notable. It is also pursuing R&D in two new fields: diseases for which no approved drugs exist 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 in the issuance of the VISA Card in Japan and a leader in the domestic creditcard industry, Sumitomo Mitsui Card Company,Limited, enjoys the strong support of its many customers.

Leveraging its strong brand image and its excellent capabilities across a wide range of card-related services, the company provides settlement and financing services focused around providing credit services that meet customerneeds.

Through its credit card business operations, the company aims to actively contribute to the realization of comfortable and affluent consumer lifestyles and make further dramatic advances as a leading brand in its industry sector.

SMBC Leasing Company, Limited and Sumisho Lease Co.,Ltd merged and started as a new company "Sumitomo Mitsui Finance and Leasing Company ,Limited" on October 1, 2007.
We will create the number one high quality leasing company in Japan that can respond appropriately to market needs which are becoming increasingly sophisticated, by combining and blending the know-how related to finance of SMBC Leasing as a subsidiary of a bank and the know-how related to products and business distribution of Sumisho Lease as a trading firm's subsidiary.
We contribute to society through being ahead of the times and providing higher value-added services to customers.

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 Company, Limited, a leader in the auto leasing industry, was founded in October 2007 through the merger of Sumisho Auto Lease and SMBC Auto Leasing. Inspired by its “Smart mobility with a smile” slogan, the company delivers reliability, safety, and satisfaction to its customers through diverse products and services that are not limited to auto leasing.

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.(SEI) has been the largest manufacturer of electric wires and cables in Japan. Using the Company's original technologies, SEI constantly moves forward by creating new products and services and. While expanding business activities worldwide, the SEI group is making extensive contributions to the advancement of society in five sectors … automotive, information & communications, electronics, electric wires,euipment & energy, and industrial materials. The Company has operations in more than 30 countries around the world.


Through its worldwide network, the Sumitomo Corporation Group engages in diverse business activities. These include various domestic and overseas transactions and import and export of a wide range of goods and commodities, and also providing a wide range of services and investing, in the fields of, such as metals, transportation and construction systems, machinery and electricity, media, electronics and network, chemicals, mineral resources and energy, consumer goods and services, materials and real estate, and finance and logistics.

Warehousing and Transportation

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

The company, leveraging its information technologies, focuses on distribution center business for corporate customers and archiving business mainly for documents and other items in Japan. It is also pursuing overseas business expansion especially in the ASEAN countries.

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

Cement & Glass

Since its establishment in 1918, Nippon Sheet Glass Co., Ltd. has engaged in businesses centering on glass and glazing. Over the years, it has always been an enterprise that is open, fair, and as transparent as glass. The company offers a great variety of products, including architectural and automotive glass and products for the electronics sector, such as its unique SELFOC micro lenses, glass for displays, and special-purpose glass fibers. It also develops SPACIA vacuum glazing glass, glass substrates for solar cells, and other products with excellent environmental credentials.

Since it’s founding in 1907, Sumitomo Osaka Cement has secured a foothold in the cement business as arterial industry and has contributed to modernization of Japan by building of social capital.

At the present, with cement business as its core, the company has actively diversified into such as Construction Materials, Mineral Resources, Advanced Materials and Optelectronics.

Furthermore, by actively utilizing waste materials and by-products stably and safely, the company is contributing to the recycling oriented society in the 21st century as venous industry.


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 owns and manages 40,000 hectares of forestland in japan, a thousandth of Japan's total landmass. In our business, we deal very closely with timber and housing; our pursuits encompass such various activities as the greenification of areas, the construction and marketing of custom-built wooden houses, and the manufacture and distribution of high value-added wood-based products.

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, having the top market share in Japan, gas insulated switchgear, 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 system integration to 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.