N.B.: This evaluation refers to 2018 and one for the current year is not available.


Japan (JP)

OpenCorporation rating: 9.71 on 100

Ranking 2018: 1598 on 569 companies

Primary NACE classification:
Cold drawing of wire (2434)

Company description

This company is primarily engaged in the design, manufacture and sale of electric cables, optical fibers and components, advanced electronic devices, automotive parts, cemented carbide tools, and special steel wires products in Japan and internationally. The company was founded in 1897 as Sumitomo Copper Rolling Works to manufacture copper wires (bare wires), copper plates, and copper rods. Its corporate headquarters is located in Osaka, Japan.The company operates through five segments: Automotive; Information and Communications; Electronics; Electric Wire and Cable, Energy; and Industrial Materials and Others. The Automotive segment provides automotive wiring harnesses, anti-vibration rubber parts, brake systems, and other automotive parts. The Information and Communications segment offers optical-fiber cables; optical-fiber fusion splicers; optical fiber data links and other optical components; and network system products, such as gigabit Ethernet-passive optical network, very-high-speed digital subscriber, and traffic control equipment. The Electronics segment offers wires for electronics, magnet wires, compound semiconductors, electronic components, irradiated products, and flexible printed circuits. The Electric Wire and Cable, Energy segment offers copper wire rods, electric power cables, and magnet wires, as well as undertakes power cable construction works. The Industrial Materials and Others segment offers special steel wires, hard materials, and sintered parts.The company operates in Japan, the United States, Canada, China, Thailand, Indonesia, Malaysia, Germany, the United Kingdom, and Italy.

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OpenCorporation questionnaire

The read only version of the questionnaire submitted to this company is publicly available: view questionnaire.


The rating is calculated on the following metrics (for more information visit the section Methodology).

score (max is 100)

HQ and subsidiaries

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About this evaluation

This company did not compile the OpenCorporation questionnaire, for this reason this evaluation was made only on data available to the project staff.

Claims and support from the company

If as a company manager or official of SUMITOMO ELECTRIC INDUSTRIES, LTD. you want to enter in touch with our staff, provide more information to OpenCorporation or get an account to access and compile the company questionnaire, please write an email to support@opencorporation.org.

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More evaluations

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