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Show 201 Locations
  • Main Locations (6)
  • Group Companies (194)
  • Affiliated Companies (1)
Filter by Region or Industry

Main Locations (6)

Japan

Business Locations

Head Office (Osaka)
Osaka, Japan

Overview

Head Office (Tokyo)
Tokyo, Japan

Overview

Japan

Manufacturing Locations

Yokohama Works
Kanagawa, Japan
Osaka Works
Osaka, Japan

Overview

Itami Works
Hyogo, Japan

Overview

Ibaraki Works
Ibaraki, Japan

Overview

Group Companies (194)

Southeast Asia, South Asia & Oceania

SEI (Philippines) Incorporated
Philippines, Southeast Asia, South Asia & Oceania

Sales and marketing of Sumitomo Electric Group products in the Philippines

  • Automotive
  • Electronics
  • Industrial Materials
Sumitomo Electric Automotive Products (Singapore) Pte. Ltd.
Singapore, Southeast Asia, South Asia & Oceania
  • Automotive
Sumitomo Electric International (Singapore) Pte. Ltd.
Singapore, Southeast Asia, South Asia & Oceania

Administrative support for local subsidiaries

Sumitomo Electric
(Thailand) Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Sales and marketing of Sumitomo Electric Group products in Thailand including Myanmar, Lao, Cambodia and Vietnam

  • Automotive
SEAPS VIETNAM CO.,LTD.
Vietnam, Southeast Asia, South Asia & Oceania

Sales of wiring harness components for automobiles in Vietnam

  • Automotive

Southeast Asia, South Asia & Oceania

Business Locations

SEI Carbide Australia Pty Ltd.
Australia, Southeast Asia, South Asia & Oceania

Regional Sales Office for Industrial Cutting Tools

  • Industrial Materials
Sumitomo Electric Hardmetal India Private Limited
India, Southeast Asia, South Asia & Oceania

Sales of cemented carbide, CBN and sintered diamond cutting tools

  • Industrial Materials
SEI Trading India Pvt. Ltd.
India, Southeast Asia, South Asia & Oceania

Sales Office

PT. Sumi Indo Kabel Tbk.
Indonesia, Southeast Asia, South Asia & Oceania

Sales and Manufacturing of Power Cable, Control & Instrument Cable, Telecommunication Cable, and Automotive Wire

  • Environment & Energy
PT. Sumiden Sintered Components Indonesia
Indonesia, Southeast Asia, South Asia & Oceania

Manufacturing and Sales

  • Industrial Materials
PT. SEI Consulting Jakarta
Indonesia, Southeast Asia, South Asia & Oceania
PT. Sumitomo Electric Hardmetal Indonesia
Indonesia, Southeast Asia, South Asia & Oceania

Sales and Marketing of Sumitomo Electric Industries (Cutting Tool) product in Indonesia

  • Industrial Materials
Sumitomo Electric Interconnect Products (M) Sdn, Bhd
Malaysia, Southeast Asia, South Asia & Oceania

Sumitomo Electric Interconnect Products (M) Sdn. Bhd. (SEPM) is a manufacturer of wires and flat cables.

  • Electronics
Sumitomo Electric Hardmetal Asia Pacific Pte Ltd
(Malaysia Branch)
Malaysia, Southeast Asia, South Asia & Oceania

Malaysia Sales Offices for Sales of Industrial Cutting Tools

  • Industrial Materials
Sumitomo Electric (Thailand) Ltd. Yangon Branch
Myanmar, Southeast Asia, South Asia & Oceania
International Electric Wires Phils. Corp.
Philippines, Southeast Asia, South Asia & Oceania

Manufacturer of low voltage automotive wire and cable

  • Automotive
Pilipinas Kyohritsu Inc.
Philippines, Southeast Asia, South Asia & Oceania

Production, sales and design of automotive wiring harness

  • Automotive
Sumidenso Automotive Technologies Asia Corporation
Philippines, Southeast Asia, South Asia & Oceania

Design and engineering of wire harnesses and related components

  • Automotive
Techno Associe Singapore Pte Ltd
Singapore, Southeast Asia, South Asia & Oceania

Sales of fasteners, processed components, raw steel, electrical components, chemical products, industrial instruments, etc., and associated activities

  • Electronics
A.L.M.T. Asia Pacific Pte. Ltd.
Singapore, Southeast Asia, South Asia & Oceania

We're specialised in diamond and cBN tools, functional material to supply South East Asia market.

  • Industrial Materials
Sumitomo Electric Hardmetal Asia Pacific Pte Ltd
Singapore, Southeast Asia, South Asia & Oceania

Regional Sales Office for Industrial Cutting Tools

  • Industrial Materials
Sumitomo Electric Asia Pacific Pte. Ltd.
Singapore, Southeast Asia, South Asia & Oceania

Sales of Electronic Wires, Electric Wires and Information Communications Equipment

  • Electronics
SEWT Korat Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Manufacturing and sales of wiring harnesses for automobiles

  • Automotive
S.E.I. Thai Holding Co., Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Administrative Office

A.L.M.T. (Thailand) Co.,Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Precision Diamond Tools and Drawing Dies Products with advancing technology and superior materials

  • Industrial Materials
Sumitomo Electric Hardmetal (Thailand) Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Sales of cemented carbide, CBN and sintered diamond cutting tools

  • Industrial Materials
SEI Consulting Vietnam Co., Ltd.
Vietnam, Southeast Asia, South Asia & Oceania
Sumiden International Trading (Vietnam) Co.,Ltd.
Vietnam, Southeast Asia, South Asia & Oceania
Sumitomo Electric Hardmetal Asia Pacific Pte Ltd - Representative Office
Vietnam, Southeast Asia, South Asia & Oceania

Technical Support Office for Industrial Cutting Tools in Vietnam

  • Industrial Materials

Southeast Asia, South Asia & Oceania

Manufacturing Locations

PT. Sumiden Hardmetal Manufacturing Indonesia
Indonesia, Southeast Asia, South Asia & Oceania

Manufacturing of cutting tools (IGETALLOY, SUMIBORON, SUMIDIA)

  • Industrial Materials
PT. Karya Sumiden Indonesia
Indonesia, Southeast Asia, South Asia & Oceania

Manufacture and Sales of Copper Wire Rod and Drawn Copper Wire

  • Environment & Energy
PT. Sumitomo Electric Wintec Indonesia
Indonesia, Southeast Asia, South Asia & Oceania

Manufacturing and Sales Magnet Wire Product

  • Environment & Energy
PT. Sumiden Serasi Wire Products
Indonesia, Southeast Asia, South Asia & Oceania

Producer, Sales & Marketing Steel Wire Products in Indonesia

  • Industrial Materials
Sumitomo Electric Sintered Components (M) Sdn, Bhd.
Malaysia, Southeast Asia, South Asia & Oceania

Manufacturer of Powder Metallurgical parts for cars, motorcycle, vehicle shock absorber, air-cond & refrigerator compressor components

  • Industrial Materials
Sumitomo Electric Wintec (Malaysia) Sdn, Bhd.
Malaysia, Southeast Asia, South Asia & Oceania

Manufacture and Sales of Enamelled Copper Magnet Wires

  • Environment & Energy
Sumiden Electronic Materials (M) Sdn. Bhd.
Malaysia, Southeast Asia, South Asia & Oceania

Manufacture and sales of lead wire material for electronic components and special conductor for electric wires

  • Electronics
First Sumiden Circuits, Inc.
Philippines, Southeast Asia, South Asia & Oceania

Manufacture and sales of printed circuits

  • Electronics
Daikoku Electronics (Phils.) Inc.
Philippines, Southeast Asia, South Asia & Oceania

Manufacture and sales of coils for electronic and electric applications

  • Environment & Energy
Sumi Philippines Wiring Systems Corporation
Philippines, Southeast Asia, South Asia & Oceania

Manufacturer of automotive wiring harness and low voltage automotive wire and cable

  • Automotive
SEWT Kanchanaburi Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Manufacturing and sales of wiring harnesses for automobiles and motorcycles

  • Automotive
Sumiden Steel Wire (Thailand) Co., Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Supply the high quality and high performance steel tire cords and brass plated wire

  • Industrial Materials
Sumitomo Electric Sintered Components (Thailand) Co., Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Powder Metallurgical Parts manufacturer of Sumitomo Electric Group products in Thailand.

  • Industrial Materials
Sumitomo Electric Wiring Systems (Thailand), Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Manufacturing and sales of wiring harnesses, ABS sensor cables, and harness components

  • Automotive
Sumitomo Electric Wintec (Thailand) Co., Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Manufacture and sales of magnet wires, electric conductors and tinned wires

  • Environment & Energy
SEI Thai Electric Conductor Co., Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Manufacture and Sales

  • Environment & Energy
SEWS Asia Technical Center
Thailand, Southeast Asia, South Asia & Oceania
  • Automotive
Sumitomo Electric Hardmetal Manufacturing (Thailand), Ltd.
Thailand, Southeast Asia, South Asia & Oceania

Production of Carbide insert, Carbide drills, Reamer, Special cutters, CBN & Diamond cutting tools

  • Industrial Materials
SEI Electronic Components (Vietnam), Ltd.
Vietnam, Southeast Asia, South Asia & Oceania

Manufacturing, assembling, processing flexible printed circuit board and the related electronic components for export

  • Electronics
Sumi Vietnam Wiring System Co., Ltd.
Vietnam, Southeast Asia, South Asia & Oceania

Manufacturing and selling electric wire harnesses

  • Automotive
SD Vietnam Industries Ltd.
Vietnam, Southeast Asia, South Asia & Oceania

Manufacturing of Wire Harness of Sumitomo Electric Group in Southest Asia

Sumitomo Electric Interconnect Products (Vietnam), Ltd.
Vietnam, Southeast Asia, South Asia & Oceania

Manufacturing and selling electrical components

  • Electronics
SUMI-HANEL Wiring Systems Co., Ltd.
Vietnam, Southeast Asia, South Asia & Oceania

A joint-venture company between Vietnam and Japan, producing wire harness for automobile

  • Automotive
Sumidenso Vietnam Co., Ltd.
Vietnam, Southeast Asia, South Asia & Oceania

Manufacture, processing, and sales of wiring harnesses

  • Automotive
SEI Optifrontier Vietnam, Ltd.
Vietnam, Southeast Asia, South Asia & Oceania
  • Info - communications
Sumiden Vietnam Automotive Wire Co., Ltd.
Vietnam, Southeast Asia, South Asia & Oceania

Manufacturing and sale Automotive electrical cable in Vietnam

  • Automotive
SEWS-COMPONENTS VIETNAM CO., LTD.
Vietnam, Southeast Asia, South Asia & Oceania

Manufacturing components for automobiles and motorcycles of Sumitomo group in Vietnam

  • Automotive
Sumiden Device Innovations Vietnam Co., Ltd.
Vietnam, Southeast Asia, South Asia & Oceania

Manufacturer of Optical Devices and Electronic Devices for information and telecommunications network

  • Electronics

East Asia

Business Locations

KTS High-Tech Rubber Co., Ltd.
Changzhou, East Asia

Manufacture and sales of air cushions and vibration-proof rubber products for railroad cars

  • Automotive
Sumitomo Electric Hardmetal Manufacturing (Changzhou) Co.,Ltd.
Changzhou, East Asia

Manufacture and sales of cemented carbide tools and PCD tools

  • Electronics
Sumitomo Electric Interconnect Products (Hong Kong), Ltd.
Hong-kong, East Asia

Sales office

  • Electronics
Sumitomo Electric Asia Ltd.
Hong-kong, East Asia

Sales and Procurement Office

Huizhou Zhucheng Wiring Systems, Co., Ltd.
Huizhou, East Asia

Manufacture and sales of wiring harnesses for automobiles

Huizhou Zhurun Automotive Wire Co., Ltd. (China)
Huizhou, East Asia

Manufacture and sales of electric wire for automobiles

  • Automotive
Huizhou Sumiden Wiring Systems Co., Ltd.
Huizhou, East Asia
  • Automotive
SEWS COMPONENTS(HUIZHOU),LIMITED (China)
Huizhou, East Asia
Huizhou Zhurun Wiring Systems Co., Ltd.
Huizhou, East Asia
  • Automotive
Kaifeng Zhucheng Wiring Systems, Co., Ltd.
Kaifeng, East Asia

Manufacture and sales of electric wire for automobiles

  • Automotive
Sumitomo Electric (Korea) Electronics, Ltd.
Korea, East Asia

Sales of electronic wire and cables

Sumitomo Electric Management (Shanghai) Co.,Ltd
Shanghai, East Asia

Corporate governance and administration services for subsidiaries/affiliates in China.

Sumitomo Electric Interconnect Products (Shanghai), Ltd. 
Shanghai, East Asia

Manufacture and sales of flexible flat cable products

Sumiden International Trading (Shanghai) Co.,Ltd
Shanghai, East Asia

Sales of the Sumitomo Electric Group's products and global procurement of group's materials

Sumitomo Electric Hardmetal Trading (Shanghai) Co., Ltd.
Shanghai, East Asia

Sales Office of Industrial Materials

  • Industrial Materials
Sumitomo Electric (Shanghai) Electronics, Ltd.
Shanghai, East Asia

Sales of electronic wire, flexible printed circuits and heat-shrinkable tubings

SEWS-STC Co., Ltd.
Shanghai, East Asia

Design and development of wiring harnesses for automobiles

  • Automotive
Sumiden Tool Net(Shanghai) Co.,Ltd.
Shanghai, East Asia

Sales Office of Industrial Materials

  • Industrial Materials
Sumitomo Electric Trading (Shenzhen) Co., Ltd.
Shenzhen, East Asia

Sales office and International Procurement Office function

Sumitomo Electric Interconnect Components (Shenzhen), Ltd.
Shenzhen, East Asia

Manufacture and sales of electronic wire

  • Electronics
Sumitomo Electric Trading (Shenzhen) Co., Ltd. Wuhan Branch
Shenzhen, East Asia

Sales Office and International Procurement Office

  • Electronics
Sumitomo Electric Trading (Shenzhen) Co., Ltd. Beijing Branch
Shenzhen, East Asia

Sales Office

Sumitomo Electric Trading (Shenzhen) Co., Ltd. Shanghai Branch
Shenzhen, East Asia

Sales Office

Sumitomo Electric Interconnect Products (Suzhou), Ltd.
Suzhou, East Asia

Manufacture and sales of electric cable, for electronic equipment

  • Electronics
Sumitomo Electric Photo-Electronics Components (Suzhou), Ltd.
Suzhou, East Asia

Manufacture of optical device and optical transceivers

  • Info - communications
Sumitomo Electric Fine Polymer (Suzhou) Ltd.
Suzhou, East Asia

Manufacture and sales of heat-shrinkable tubings and rollers for printers

  • Industrial Materials
A.L.M.T. Diamond Dies (Suzhou) Co., Ltd.
Suzhou, East Asia

Manufacture and sales of Drawing dies

  • Industrial Materials
Sumitomo Electric Hardmetal Taiwan Co., Ltd.
Taiwan, East Asia

Sale of cutting tools, grinding tools, other peripheral tools, environmental equipment and equipment, consumer goods, and technical services

  • Industrial Materials
Tianjin SEI-Futong Optical Fiber Co.,Ltd.
Tianjin, East Asia

R&D, manufacturing and sales

  • Info - communications
Tianjin Jin-Zhu Wiring Systems Co., Ltd.
Tianjin, East Asia

Manufacture, processing, and sales of wiring harnesses and electric wire for automobiles

  • Automotive
Wuhan Sumiden Wiring Systems Co., Ltd.
Wuhan, East Asia

Manufacture and sales of wiring harnesses

  • Automotive
Sumitomo Electric Wintec (Wuxi) Co., Ltd.
Wuxi, East Asia

Manufacture, processing and sales of magnet wires and DG coils

Sumitomo Electric Optical Components (Wuxi) Co., Ltd.
Wuxi, East Asia

Manufacture and sales of optical couplers, optical connectors and jumper units

Sumiden Powder Metallurgy (Wuxi) Co., Ltd.
Wuxi, East Asia

Manufacture and sales of cemented carbide tools

  • Industrial Materials
Zhongshan Sumiden Hybrid Products Co., Ltd.
Zhongshan, East Asia

Manufacture and sales of Sumifron coated aluminum & pressure roller and fixing film roller

East Asia

Manufacturing Locations

Hangzhou SEI-Futong Optical Fiber Co., Ltd.
Hangzhou, East Asia

Manufacture of optical fibers and preforms

  • Info - communications
Huizhou Zhu Guang Auto Wiring Systems Co.,Ltd.
Huizhou, East Asia

Manufacture, processing, and sales of automotive wire harness

  • Automotive
SEI Electronics Materials Ltd.
Taiwan, East Asia

Manufacture and sales of compound semiconductor materials

  • Electronics
Sumi-Pac Corporation
Taiwan, East Asia

Manufacture and sales of compound semiconductor materials

  • Electronics

Europe

Business Locations

SEI Interconnect Products (Europe) Ltd. (French Branch)
France, Europe

Sales and marketing of Electronics divisions products in the European market

  • Electronics
Sumitomo Electric
Bordnetze SE
Germany, Europe

Manufacturing and sales of wiring harnesses and components for automobiles

  • Automotive
SEI Automotive Europe GmbH
Germany, Europe

Market Research, R&D, Business Development of Automotive and other areas and Assistance/Consultation for EMEA.

  • Automotive
Sumitomo Electric Europe Ltd. (Italy Branch)
Italy, Europe

Italian branch of the European sales office for Telecommunication and Energy-Environment products

  • Environment & Energy
  • Info - communications
SEI Interconnect Products (Europe) Ltd. (Italy Branch)
Italy, Europe

Sales and marketing of electronics divisions products in the European market

  • Electronics
Sumitomo Electric Hardmetal Ltd.
United Kingdom, Europe
  • Industrial Materials
Sumitomo Electric Finance U.K. Ltd.
United Kingdom, Europe

EMEA financial and legal services company

Sumitomo Electric
Europe Ltd.
United Kingdom, Europe

European sales office for Telecommunication, Energy-Environment, Materials and Electronics products.

SEI Interconnect Products (Europe) Ltd. (UK Branch)
United Kingdom, Europe

Sales and marketing of Electronics divisions products in the European market

  • Electronics

Europe

Manufacturing Locations

SEWS CABIND ALBANIA
Albania, Europe

Manufacturing of Sumitomo Electric Group wire harnesses for the European market

  • Automotive
SEI Interconnect Products (Europe) Ltd. (German Branch)
Germany, Europe

Sales and marketing of electronics divisions products in the European market

  • Electronics
Sumitomo Electric Hartmetall GmbH.
Germany, Europe

Development, production and sales of cemented carbide, CBN and PCD cutting tools, wear resistant tools and materials

  • Industrial Materials
Sumitomo Electric Hartmetallfabrik GmbH.
Germany, Europe
  • Industrial Materials
Sumitomo Electric Sintered Components (Germany) GmbH
Germany, Europe

Manufacturing and sales of sintered parts

  • Industrial Materials
Sumitomo Electric Schrumpf-Produkte GmbH.
Germany, Europe
  • Electronics
SEWS Hungary Wiring Harness, Ltd.
Hungary, Europe
  • Automotive
SEI Interconnect Products (Hungary), Kft.
Hungary, Europe

Manufacture and sales of electronic wire products

  • Electronics
SEWS CABIND S.p.A.
Italy, Europe

Production and sale of Sumitomo Electric Group wire harnesses, wires and components in the European automotive market

  • Automotive
SEWS CABIND POLAND
Poland, Europe

Manufacturing of Sumitomo Electric Group wire harnesses for the European market

  • Automotive
Sumitomo Electric Wiring Systems (Europe)Ltd.
United Kingdom, Europe

Manufacturing and Sales of Wiring Harnesses and Components for Automobiles

  • Automotive

Japan

Business Locations

A. L. M. T. Corp.
Tokyo, Japan

Manufacture and sales of tungsten and molybdenum products, diamond tools, CBN tools, etc.

  • Industrial Materials
Gokoh Shoji Co., Ltd.
Osaka, Japan

Sale of machine parts, sintered powder, equipment materials

  • Industrial Materials
Broad Net Mux Corporation
Tokyo, Japan

We repair and maintain communication equipment and CATV systems provided by Sumitomo Electric

SEI Professional Staffs Inc.
Osaka, Japan

HR shared service for Sumitomo Electric and subsidiaries in Japan

SEI Logistics Network
Co., Ltd.
Osaka, Japan

Responsible for overall logistics operations for the Sumitomo Electric Group

SEI Business Creates, Inc.
Osaka, Japan

Outsourcing of various operations and services for individuals

Sunray Reinetsu Co., Ltd.
Osaka, Japan

Design, manufacture, and sales of burner combustion, environmental , and industrial equipment.

STARNET Co., Ltd.
Osaka, Japan

Provision of Network Integration Services and Network Related Services

Sumiden Friend, Ltd.
Hyogo, Japan

Sumiden Friend, Ltd. is established in July 2008 with the aim of further contributing to society.

Sumitomo Electric Information Systems Co., Ltd.
Osaka, Japan
Sumitomo Electric Intellectual Property & Technology Center, Ltd.
Osaka, Japan

Intellectual Property consulting services for the Sumitomo Electric group

Sumitomo Electric Tool Net, Inc.
Osaka, Japan

Sales of cutting tools, wear-resistant and cemented carbide tools, and other related products etc.

  • Industrial Materials
Sumitomo Electric Hardmetal Corp.
Hyogo, Japan

Development, production and sales of cutting tools, optical parts for laser beam machines, etc.

  • Industrial Materials
Sumitomo Electric Technical Solutions, Inc.
Osaka, Japan
Sumitomo Densetsu Co., Ltd.
Osaka, Japan

Design, construction and supervision of electrical systems, information and communications systems, etc.

  • Environment & Energy
SUMIDEN SHOJI Co., LTD
Osaka, Japan

Sales of Sumitomo Electric Group wire harnesses, electric cables, automotive parts, electronic parts

Takara Sangyo Co., Ltd.
Osaka, Japan
  • Industrial Materials
Techno Associe co., Ltd.
Osaka, Japan

Sales of fasteners, processed components, electrical components, etc., and associated activities

Tokai Sumiden Precision Co., Ltd.
Mie, Japan

We provide max-satisfaction for customers through all services of drills and other cutting tools

  • Industrial Materials
Hoshi Industries Co., Ltd.
Osaka, Japan

Manufacture and sale of CO2 welding wires, spokes,nipples and high carbon steel wires for fish hooks

  • Industrial Materials
Misawa Trading Co., Ltd.
Osaka, Japan

Wholesale, Import and Export

  • Industrial Materials

Japan

Manufacturing Locations

Hokkaido Sumiden Precision Co., Ltd.
  • Industrial Materials
Hokkaido Electric Industries Ltd.
Hokkaido, Japan

Manufactures power distribution wires, optical cords with connectors, and system products.

  • Environment & Energy
Tohoku Sumiden Precision Co., Ltd.
Fukushima, Japan

Manufacture and sale of cemented carbide cutting tools and regrinding of cemented carbide drills

  • Industrial Materials
Hokkaido Sumiden Steel Wire Co., Ltd.
Hokkaido, Japan

Manufacture company of oil quenched and tempered wire for valve springs

  • Industrial Materials
Sumitomo Electric Wintec, Inc.
Shiga, Japan

Development, manufacture and sales of magnet wires and related products

  • Environment & Energy
Sumitomo Electric Printed Circuits, Inc.
Shiga, Japan

Development and manufacturing of flexible printed circuits (FPCs)

  • Electronics
Sumitomo Electric Fine Polymer, Inc
Osaka, Japan

Development, manufacture, processing and sales of fine polymer products

  • Electronics
TOMITA ELECTRIC CO.,LTD.
Gunma, Japan

Manufacture and sale of wiring harnesses and motor stator for compressors

Sumitomo Wiring Systems, Ltd.
Japan, Japan

Manufacture and sales of wiring harnesses, connectors, electric wires, and cables

  • Automotive
Sumiden Material Processing Co.,Ltd.
Osaka, Japan

Recycling of copper from waste electric wires, recycling and processing of bobbins for optical fibers, etc.

Nippon Tsushin Denzai Co., Ltd.
Aichi, Japan

Design, production and sales of joint closures, cabinets, precise injection molding products

  • Info - communications
Sumiden Fine Conductors Co., Ltd.
Osaka, Japan

We manufactures conductor wires, used in many fields such as automotive, electronics, environmental and medical

  • Electronics
Nissin Electric Co., Ltd.
Japan, Japan

Manufacture and sales of electrical equipment and instruments as well as ancillary construction works

  • Environment & Energy
Sumitomo Electric Sintered Alloy, Ltd.
Okayama, Japan

Development, design and manufacture of sintered parts

  • Industrial Materials
Kyushu Sumiden Seimitsu Ltd.
Saga, Japan

We produce cemented carbide, CBN/PCD tools, and perform customer service by Tool Engineering Center

  • Industrial Materials
AutoNetworks Technologies, Ltd.
Mie, Japan

R&D of wiring harnesses and on-board devices for car and automotive equipment manufacturers

  • Automotive
Sumitomo Electric Industrial Wire & Cable Inc.
Osaka, Japan

Manufacture and sale of wires and cables for use in homes, buildings, factories and social infrastructure

  • Environment & Energy
Sumiden HST Cable Ltd.
Osaka, Japan

Development, manufacture, commissioning and sale of wires and cables

  • Environment & Energy
Sumiden Sizai Kakou Co., Ltd.
Osaka, Japan
Sumiden Semiconductor Materials Co., Ltd.
Hyogo, Japan

Production and development of compound semiconductor wafers and epitaxial wafers

  • Info - communications
Sumitomo Electric Toyama Co., Ltd.
Toyama, Japan

Manufacture of Aluminum Wire Rod and Alloy wire, Celmet and Electronic lead wire

  • Environment & Energy
Sumitomo Electric Optifrontier Co., Ltd.
Kanagawa, Japan

Manufacture and sales of optical network devices and components, optical fiber cables

  • Info - communications
Kiyohara Sumiden, Ltd.
Tochigi, Japan

Manufacture and sales of optical fibers

  • Info - communications
J-Power Systems Corporation.
Ibaraki, Japan
  • Environment & Energy
Sumiden Opcom, Ltd.
Tokyo, Japan

Manufacturing and sales of high-technology products that support info-communication infrastructure.

  • Info - communications
Sumiden Communication Engineering Co., Ltd.
Kanagawa, Japan

Information and Communication Engineering, Software Development

  • Info - communications
Sumitomo Electric System Solutions Co., Ltd.
Tokyo, Japan

Hardware and software development, manufacture, construction and maintenance of traffic systems

  • Automotive
Sumitomo (SEI) Electronic Wire, Inc.
Japan, Japan
  • Electronics
Sumitomo Electric Device Innovations, Inc.
Kanagawa, Japan

Development and manufacturing of transmission devices for optical and wireless communications

  • Info - communications
Daikoku Electric Wire Co., Ltd.
Japan, Japan

Manufacturer of extra-fine magnet wires and coils

  • Environment & Energy
Sumitomo Electric Tochigi Co., Ltd.
Japan, Japan

Manufacture of reinforcement steel wire for tires, steel wire for springs and for cutting process

  • Industrial Materials
Sumiden Transmission and Distribution System Products, Ltd.
Hyogo, Japan
  • Environment & Energy
SHC Co., Ltd.
Toyama, Japan

Manufacturing and sales of various rubber coated fabric products

  • Environment & Energy
Sumitomo Riko Company Ltd.
Aichi, Japan

Manufacture and sales of automotive products and general industrial products

  • Automotive
Axismateria Ltd.
Hyogo, Japan
  • Industrial Materials

Middle East & Africa

Business Locations

SEWS South Africa (Pty) Ltd.
South Africa, Middle East & Africa

Manufacturing and Sales

  • Automotive
Sumitomo Electric Industries, Ltd., Middle East Office.
UAE, Middle East & Africa

Market Research and Information Gathering for the Middle East Region, and Sales Support for Sumitomo Electric Group Products

Middle East & Africa

Manufacturing Locations

SEWS CABIND MAROC
Morocco, Middle East & Africa

Manufacturing of Sumitomo Electric Group wire harnesses and wires for the European market

  • Automotive

North & South America

Business Locations

Sumitomo Electric U.S.A., Inc.
United States, North & South America

Sales and marketing of Sumitomo Electric Group products in North America

  • Electronics
  • Environment & Energy
  • Info - communications
Innovation Core SEI, Inc.
United States, North & South America

R&D base in North America for Sumitomo Electric Industries, Ltd.

Sumitomo Electric Carbide, Inc.
United States, North & South America

Sales of cemented carbide, CBN, and PCD cutting tools

  • Industrial Materials
Sumitomo Electric Wintec America, Inc.
United States, North & South America

Sales of magnetic wire for the automotive industry

  • Automotive
Sumitomo Electric Finance U.S.A., Inc.
United States, North & South America

Regional finance company for the Sumitomo Electric Group

Sumitomo Electric U.S.A. Holdings, Inc.
United States, North & South America

Regional holding company of Sumitomo Electric Industries, Ltd.

North & South America

Manufacturing Locations

Sumitomo Electric Sintered Components México, S.A. de C.V.
Mexico, North & South America

Manufacture and sales of sintered parts

  • Industrial Materials
Sumitomo Electric Hardmetal de Mexico, S.A. de C.V.
Mexico, North & South America

Sales of cemented carbide, CBN, and PCD cutting tools

  • Industrial Materials
Sumitomo Wiring Systems (U.S.A.), Inc.
United States, North & South America

Manufacturing and sales of wiring harnesses and harness components

  • Automotive
Keystone Powdered Metal Company
United States, North & South America

Manufacturing and sales of sintered parts

  • Industrial Materials
Sumiden Wire Products Corporation
United States, North & South America

Manufacturing and sales of PC strand

  • Industrial Materials
Sumitomo Electric Wiring Systems, Inc.
United States, North & South America

Manufacturing and sales of wiring harnesses and harness components

  • Automotive
Sumitomo Electric Semiconductor Materials, Inc.
United States, North & South America

Manufacturing and sales of compound semiconductor materials

  • Electronics
Sumitomo Electric Lightwave Corporation
United States, North & South America

Manufacturing and sales of optical fiber cables and related products

  • Info - communications
Sumitomo Electric Interconnect Products, Inc.
United States, North & South America

Manufacturing and sales of heat-shrink tubing

  • Electronics
Sumitomo Electric Device Innovations U.S.A., Inc.
United States, North & South America

Sales of devices for optical and wireless communications

  • Info - communications
Niagara Refining LLC
United States, North & South America

Manufacturing of tungsten raw materials

  • Industrial Materials
Judd Wire, Inc.
United States, North & South America

Manufacturing and sales of electronic wire products

  • Automotive
  • Electronics
Sumitomo Electric Carbide Manufacturing, Inc.
United States, North & South America

Manufacturing of carbide drills, CBN/PCD cutting tools, and special cutters

  • Industrial Materials

Affiliated Companies (1)

North & South America

Manufacturing Locations

Sumitomo Riko America, Inc.
United States, North & South America

Manufacturing and sales of anti-vibration rubber products

  • Automotive
SEI
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