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is one of the largest keiretsu
Keiretsu

A is a set of company with interlocking business relationships and shareholder. It is a type of business group....
s, founded by Masatomo Sumitomo
Masatomo Sumitomo

Sumitomo Masatomo was a Japanese copper mining businessman. He was the founder and eponym of Sumitomo Group.ja:????...
.
tomo Sumitomo began the company as a store selling medicine and books in 1630.

Masatomo Sumitomo's brother in law, Riemon Soga, who ran a copper
Copper

Copper is a chemical element with the symbol Cu and atomic number 29.It is a ductile metal with very high thermal and electrical conductivity....
 smelting
Smelting

Smelting is a form of extractive metallurgy; its main use is to produce a metal from its ore. This includes iron extraction from iron ore, and copper extraction and other base metals from their ores....
 and smithing business at the time, soon developed a new smelting technique called Nanban-buki which extracted silver
Silver

Silver is a chemical element with the chemical symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and the highest thermal conductivity of any metal....
 from raw copper. Tomomochi Sumitomo, the eldest son of Riemon Soga disclosed this technique to other copper smelters and made a name for the Sumitomo family as the origin of the Nanban-buki technique.






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is one of the largest keiretsu
Keiretsu

A is a set of company with interlocking business relationships and shareholder. It is a type of business group....
s, founded by Masatomo Sumitomo
Masatomo Sumitomo

Sumitomo Masatomo was a Japanese copper mining businessman. He was the founder and eponym of Sumitomo Group.ja:????...
.

History

Masatomo Sumitomo began the company as a store selling medicine and books in 1630.

Masatomo Sumitomo's brother in law, Riemon Soga, who ran a copper
Copper

Copper is a chemical element with the symbol Cu and atomic number 29.It is a ductile metal with very high thermal and electrical conductivity....
 smelting
Smelting

Smelting is a form of extractive metallurgy; its main use is to produce a metal from its ore. This includes iron extraction from iron ore, and copper extraction and other base metals from their ores....
 and smithing business at the time, soon developed a new smelting technique called Nanban-buki which extracted silver
Silver

Silver is a chemical element with the chemical symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and the highest thermal conductivity of any metal....
 from raw copper. Tomomochi Sumitomo, the eldest son of Riemon Soga disclosed this technique to other copper smelters and made a name for the Sumitomo family as the origin of the Nanban-buki technique. This gave Sumitomo the ability to rise to the top in the copper mining and refinery industry until the late 1800s when the company began to enter other industries such as bank
Bank

A bank is a financial institution whose primary activity is to act as a payment agent for customers and to borrow and lend money. It is an institution for receiving, keeping, and lending money....
ing, warehousing, electric cable production and more.

Today, the Sumitomo Group is still run according to the "Founder's Precepts" as written by Masatomo Sumitomo in the seventeenth century.

Sumitomo companies

  • Sumitomo Chemical Co., Ltd., Chemicals
    Chemical industry

    The chemical industry comprises the companies that produce industrial chemicals. It is central to modern world economy, converting raw materials into more than 70,000 different products....
  • Sumitomo Heavy Industries, Ltd., Machinery, weaponry, and shipbuilding
  • Sumitomo Mitsui Banking Corporation
    Sumitomo Mitsui Banking Corporation

    Sumitomo Mitsui Banking Corporation is a Japan bank based in Yurakucho, Chiyoda, Tokyo, Tokyo, Japan. It is a member of the Sumitomo Group and Mitsui....
    , Finance
    Finance

    The field of finance refers to the concepts of time, money and risk and how they are interrelated. Banks are the main facilitators of funding through the provision of credit, although private equity, mutual funds, hedge funds, and other organizations have become important....
  • Sumitomo Metal Industries, Ltd., Steel
    Steel

    Steel is an alloy consisting mostly of iron, with a carbon content between 0.2% and 2.14% by weight , depending on grade. Carbon is the most cost-effective alloying material for iron, but various other alloying elements are used such as manganese, chromium, vanadium, and tungsten....
  • Sumitomo Metal Mining Co., Ltd., Non-ferrous metals
  • Sumitomo Corporation
    Sumitomo Corporation

    Sumitomo Corporation is a highly built worldwide trading company , and is a diversified corporation. Sumitomo is headquartered in the Harumi Island Triton Square Office Tower Y in Chuo, Tokyo, Tokyo, Japan....
    , Integrated trading company
  • Sumitomo Corporation of America
  • The Sumitomo Trust & Banking Co., Ltd., Finance
  • Sumitomo Life Insurance Co., Insurance
    Insurance

    Insurance, in law and economics, is a form of risk management primarily used to Hedge against the risk of a contingent loss. Insurance is defined as the equitable transfer of the risk of a loss, from one entity to another, in exchange for a premium, and can be thought of as a guaranteed small loss to prevent a large, possibly devastating los...
  • Sumitomo Coal Mining Co., Ltd., Mining
    Mining

    Mining is the extraction of value minerals or other geology materials from the earth, usually from an ore body, vein or seam. Materials recovered by mining include base metals, precious metals, iron, uranium, coal, diamonds, limestone, oil shale, Sodium chloride and potash....
  • The Sumitomo Warehouse Co., Ltd., Warehousing
  • Sumitomo Electric Industries, Ltd., Electronics
    Electronics

    Electronics refers to the flow of charge through nonmetal electrical conductor , whereas electrical refers to the flow of charge through metal electrical conductor....
     and electric products
  • Mitsui Sumitomo Insurance Co., Ltd., Insurance
  • Nippon Sheet Glass Co., Ltd.
    Nippon Sheet Glass

    is a Japanese glass manufacturer. In 2006 it purchased Pilkington of the United Kingdom. This makes NSG/Pilkington one of the four largest glass companies in the world alongside with another Japanese company Asahi Glass, Saint-Gobain, and Guardian Industries Corp.....
    , Glass
    Glass

    Glass generally refers to a Hardness, brittle, transparency amorphous solid, such as that used for windows, many Glass Bottles, or eyewear, including, but not limited to, soda-lime glass, borosilicate glass, acrylic glass, sugar glass, Muscovite , or aluminium oxynitride....
  • NEC
    NEC

    is a Japan multinational corporation IT company headquartered in Minato, Tokyo, Japan. NEC, part of the Sumitomo Group, provides information technology and network solutions to business enterprises, communications services providers and government....
    , Electronics and electric products
  • Sumitomo Realty & Development Co., Ltd., Real estate
    Real estate

    Real estate is a law term that encompasses land along with anything permanently affixed to the land, such as buildings, specifically property that is fixed in location.
  • Sumitomo Osaka Cement Co., Ltd., Cement
    Cement

    In the most general sense of the word, a cement is a binder, a substance which sets and hardens independently, and can bind other materials together....
  • Sumitomo Light Metal Industries, Ltd., Nonferrous metals
  • Sumitomo Mitsui Construction Co., Ltd., Construction
    Construction

    In the fields of architecture and civil engineering, construction is a process that consists of the building or assembling of infrastructure. Far from being a single activity, large scale construction is a feat of multitasking....
  • Sumitomo Bakelite Co., Ltd., Chemicals
  • Sumitomo Forestry Co., Ltd., Lumber
    Lumber

    Lumber or timber is wood in any of its stages from logging through readiness for use as structural material for construction, or wood pulp for paper production....
     and housing
  • Sumitomo Rubber Industries, Ltd., Tire
    Tire

    Tires, or tyres , are ring-shaped parts, either pneumatic or solid , that fit around wheels to protect them and enhance their function....
    s and rubber
    Rubber

    Natural rubber is an elastomer?an Elasticity_ hydrocarbon polymer?that was originally derived from a milky colloidal suspension, or latex , found in the sap of some plants....
     under Dunlop
    Dunlop

    Dunlop may refer to:In companies:*name derived from John Boyd Dunlop ** Dunlop Tyres, tyre manufacturer since 1985** Dunlop Rubber, manufacturer of tyre and rubber products from 1889 to 1985...
     brand
  • Mazda Motor Corporation
  • Presidio Ventures


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