Sumitomo Electric Industries, Ltd. (SMTOF)
OTCMKTS · Delayed Price · Currency is USD
37.20
+6.27 (20.27%)
At close: Nov 12, 2025

Sumitomo Electric Industries Company Description

Sumitomo Electric Industries, Ltd. manufactures and sells electric wires and cables worldwide.

The company operates through Environment and Energy; Infocommunications; Automotive; Electronics; and Industrial Materials and Others segments.

The Environment and Energy segment offers electric conductors; power transmission wires/cables/equipment; magnet wires; air cushions for railroad vehicles; power system equipment, such as substation equipment/control systems, and charged beam equipment and processing; electrical/power supply work and engineering; porous metals; and metal materials for electronic parts.

The company’s Infocommunications segment sells optical fiber cables; telecommunication cables and equipment; fusion splicers; optical/wireless devices, such as optical transceiver modules/wireless communication devices; compound semiconductor; and access network equipment.

Its Automotive segment offers wiring harnesses, anti-vibration rubbers, automotive hoses, and car electronic components, as well as network/system devices, such as traffic control devices.

The Electronics segment provides electronic wires, electron beam irradiation products, flexible printed circuits, fluorine resin products, fasteners, metal parts, and chemical products.

The Industrial Materials and Others segment offers tensioning materials for prestressed concrete, precision spring steel wires, steel tire cord, cemented carbide tools, diamond and CBN tools, laser optics, sintered powder metal parts, and semiconductors heat-spreader materials.

The company was formerly known as Sumitomo Electric Wire & Cable Works and changed its name to Sumitomo Electric Industries, Ltd. in 1939.

Sumitomo Electric Industries, Ltd. was founded in 1897 and is headquartered in Osaka, Japan.

Sumitomo Electric Industries, Ltd.
Country Japan
Founded 1897
Industry Auto Parts
Sector Consumer Discretionary
Employees 288,145
CEO Masayoshi Matsumoto

Contact Details

Address:
4-5-33, Kitahama
Osaka, 541-0041
Japan
Phone 81 6 6220 4141
Website sumitomoelectric.com

Stock Details

Ticker Symbol SMTOF
Exchange OTCMKTS
Stock Type Common Stock
Fiscal Year April - March
Reporting Currency JPY
SIC Code 3357

Key Executives

Name Position
Masayoshi Matsumoto Chairman and Chief Executive Officer
Osamu Inoue President, Chief Operating Officer, CSO and Director
Hideo Hato Vice President, GM of New Business Development Div., Deputy GM of Automotive Business Div. and Director
Maki Sakai Finance Department Manager
Issei Inoue Accounting Manager
Yasuhiro Miyata MD, GM of Electronics Sales Unit and Director
Masaki Shirayama MD, GM of Electric Wire and Cable of Energy Business Unit and Director
Yoshiyuki Ogata MD, Director and General Manager of Automotive Business Division Chubu Branch
Hisashi Togawa MD, GM of Production Technology Division, DGM of New Business Development Division and Director
Hiroshi Hayami MD, GM of Research and Development Division and Director