List of Member Companies


Established in 1913, Sumitomo Chemical Co., Ltd. is one of Japan's leading chemical manufacturers, offering a diverse range of products including basic chemicals, petrochemicals, fine chemicals, IT-related chemicals, agricultural chemicals, and pharmaceuticals. While expanding our business activities worldwide,
we are constantly conducting vigorous research into state-of-the-art technologies and fulfilling our responsibility to ensure product quality, safety, and environmental protection.

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.

Sumitomo Dainippon Pharma Co., Ltd. was established by the merger of Dainippon Pharmaceutical and Sumitomo Pharmaceuticals as of October 1, 2005. Our corporate mission 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”. We are firmly determined to satisfy medical needs in the society with a wide variety of products in such therapeutic areas as (i) CNS (central nervous system), (ii) cardiovascular and diabetes, (iii) inflammation, immunology and allergy, and (iv) oncology and infection. Our company is also doing business in such fields as veterinary products and feed additives by leveraging propriety technologies which we have gained from pharmaceutical business.


Sumitomo Heavy Industries, Ltd.(SHI) is an integrated manufacturer of plastic molding machines, power transmission and control equipment, precision control equipment for semiconductor and liquid crystal markets as well as oil tankers, material handling systems, etc. As a multifaceted global firm, SHI is dedicated to meeting society's needs and to achieving our corporate mission goal which is to "become a preeminent integrated machinery manufacturer and contribute to the progress of society through unique technology".

Sumitomo Construction Machinery (SCM) is engaged in development and Production of construction machinery of world top class art-of-technology and quality designed to environmental considerations.Hydraulic excavators shipped by SCM amount to more than 100,000 untis which are in service worldwide. SCM's latest innovations include recycling equipment such as self-travelling earth improving machines and self-travelling crashers engineered on its core construction equipment technology.

Major Products: Hydraulic excavators (6 to 80 tons)
Road machines (Asphalt finisher, vibrating roller)
Recycling machines(self-travelling earth improving machine and crasher)

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.

As of October 1,2001,Mitsui Marine & Fire Insurance and The Sumitomo Marine & Fire Insurance merged and reemerged as a new entity. The new entity is called Mitsui Sumitomo Insurance Company, Limited and promises to provide the finest products and services, and realizes customer satisfaction by taking advantage of the synergy of combined force.Mitsui Sumitomo Insurance Group is eager to offer the best services to all of our customers based on our motto “providing the highest sense of security and safety”.We will revolutionize the marketplace as a global financial and insurance group.

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 Friend Securities Co., Ltd., a full-line securities company with the highest level of performance in the industry, develops both retail and wholesale businesses. The Company offers financial products and services to meet a wide variety of customer needs.

Sumitomo Mitsui Auto Service, now the leading company in the auto leasing industry, came into being in October 2007 through the merger of Sumisho Auto Lease and SMBC Auto Leasing. With the slogan “Gather our minds, be the chosen No.1”, we provide our clients with “Reliability”, “Safety” and “Satisfaction” together with our services and products that can be categorized beyond the field of Auto Leasing.

Nonferrous Metals

Sumitomo Metal Mining is the modern-day successor to the copper refining and mining operations originally started by the House of Sumitomo. Today SMM engages worldwide in operations spanning from resource development to advanced materials, with a core focus on non-ferrous metals including gold, copper and nickel. In the area of resources and metals, at home SMM owns the Hishikari Gold Mine in Kagoshima prefecture, which boasts Japan’s largest output of gold in history; overseas, the Company actively pursues resource development in a quest to join the top ranks of non-ferrous metal producers. In April 2005 SMM launched a new plant in the Philippines that recovers nickel from low-grade ores, and in February 2006 the Company commenced operations of the Pogo Gold Mine in Alaska. In the area of electronics and advanced materials, SMM is presently concentrating on developments in China and Southeast Asia with the aim of securing a leading share of the global markets for all related products.

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 an integrated longistics services company offering services in warehousing, harbor transportation, international freight forwarding, air cargo transportation and other logistics sectors, with facilities both in Japan and overseas. In the domestic market, leveraging its information technologies, the company focuses primarily on distribution center business for the corporate sector and record management business. Overseas, the company is making active investments into China, the Middle East, etc. Another target of its business is operations in real estate, including leasing of office buildings(e.g.Tokyo Sumitomo Twin Building), commercial properties and luxury apartment houses.


Since our establishment in 1918, Nippon Sheet Glass Co., Ltd has been consistently providing a wide range of products based on glass. While we are engaged in building products and automotive glass, NSG provides SELFOC micro lenses used for IT communication system, glass substrates for liquid crystal displays, glass fiber and others. NSG is also developing earth-friendly products such as "SPACIA" the vacuum glazing glass or glass substrates for solar panels.

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.

As sumitomo Group's only comprehensive installation contractor. Sumitomo Densetsu Co., Ltd. undertakes a wide variety of construction projects in Japan and abroad. The company is active in developing such new areas as infomation and communications system, and environmental preservation businesses.

Rubber Products

Starting production of bicycle tires in Kobe, Japan in 1909, Sumitomo Rubber Industries, Ltd. is today one of Japan’s major manufacturers of automotive tires. The company manufactures and markets its products under the brand names of Dunlop, Falken, Sumitomo and Goodyear. Its subsidiaries produce golf balls, golf clubs, tennis balls, tennis rackets and a variety of rubber-related products for industrial and household use.

Since the company's foundation in 1929, it has been trusted by its customers because of its fostered research and development and technical capabilities for the production of highly functional rubber and plastic parts. Especially Automotive anti-vibration rubber and hoses, the company, as a domestic top share manufacturer, is promoting overseas production facilities and partnering with other major manufacturers with a view to solidifying its presence as a global supplier. Furthermore, it is increasing the relative importance of IT-related segment such as for printers and is also focusing on the development of new businesses such as bridge components and residential home products of industrial products segment.


NEC was established in 1899 to manufacture and sell telephone equipment in cooperation with Western Electric of the United States, making it Japan’s first joint venture with foreign capital. In 1977, NEC declared its “unification of computers and communications” (C&C), and the expansion of business based on IT and network technologies. In 2008, the “NEC Group Vision 2017” was created as a social and business goal “to become a global leading company that utilizes innovation to realize an information society friendly to humans and the earth.”

Electric Equipment

Sumitomo Wiring Systems, Ltd. was established in 1917 as a wire manufacturer. In 1959, we began producing wiring harnesses, which are currently our major product, and have achieved strong growth along with the development of the automobile industry. We have established a solid position as a manufacturer specializing in wiring harnesses for automobiles, and have been expanding our businesses as we have become a truly global company. Based on our mottos “customer creed” and “becoming a trusted company,” we will strive to establish a system where the world’s highest and worldwide uniform qualityis provided by any of the SWS group companies located all over the world.

Founded in Kyoto in 1917, NISSIN ELECTRIC CO., LTD. is a leading manufacturer of substation equipment, reactive power compensation equipment, control systems and charged particle beam-oriented equipment. It also provides a wide variety of engineering services, including installation and maintenance of electrical power systems and semi-conductor manufacturing equipment. The company operates a network of more than 20 subsidiaries and more than 10 production facilities in Japan and overseas. Nissin has declared its corporate mission as being "Forge a bright future for both people and technology". Following this goal, Nissin has achieved global stature as a manufacturer of high-technology products to meet the needs of a broad range of industries.

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, one of Japan's premier real estate companies, is well established as a comprehensive developer and supplier of high-quality office buildings and condominiums in urban areas. The Company is also engaged in a broad array of businesses, including real estate brokerage, housing construction, home remodeling and building management services.