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Overview

Construction

SUMITOMO DENSETSU CO.,LTD.

Sumitomo Densetsu is a leading electrical construction company primarily engaged in the design, construction, and supervision of electrical facility works, including power transmission/distribution/substation facilities, general electrical installations for buildings and factories, telecommunications equipment, and plant/HVAC systems. The company also provides engineering services related to facility construction, including renewable energy and environmental projects, as well as ICT solutions and sales of air-conditioning equipment and solar power systems. As a member of the Sumitomo Electric Industries Group, the company benefits from a strong parent relationship, receiving orders from and sourcing materials through the broader Sumitomo group network.

Market Cap

¥—B

StockUS$60.92(¥9,700)▼-0.10%

US$1 = ¥159.23 (2026-11-11)

LTM EV/EBITDA

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LTM EV/EBIT

—

LTM PER

—

LTM PBR

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Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-17.6%pt

Nov 11, 25 – Mar 2, 26StockTOPIX

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Performance & Balance

Revenue 5Y (US$)

EBITDA 5Y (US$)

Net Income 5Y (US$)

Capital Structure

98%

EquityD/E 0.02xDebt

Liquidity vs Debt 5Y (US$)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 74.6%

as of 2025-09-30 · Source: Annual Securities Report

Sumitomo Electric Industries,Ltd.

50.66%

The Master Trust Bank of Japan, Ltd. (Trust Account)

7.47%

GOLDMAN SACHS INTERNATIONAL (Standing Proxy: Goldman Sachs Securities Co., Ltd.)

2.60%

Custody Bank of Japan, Ltd. (Trust Account)

2.56%

JP MORGAN CHASE BANK 385632 (Standing Proxy: Mizuho Bank, Ltd., Settlement & Clearing Services Department)

2.22%

Sumitomo Densetsu Kyoeikai

2.17%

MSIP CLIENT SECURITIES (Standing Proxy: Morgan Stanley MUFG Securities Co., Ltd.)

2.14%

Hokko Unyu Co., Ltd.

1.77%

SUMITOMO DENSETSU CO.,LTD. Employee Stock Ownership Association

1.66%

STATE STREET BANK AND TRUST COMPANY 505001 (Standing Proxy: Mizuho Bank, Ltd., Settlement & Clearing Services Department)

1.37%

Management

14 officers

Makoto TANI

Representative Director, President

Apr 1980 Joined Sumitomo Electric Industries, Ltd. Apr 2004 General Manager, Accounting Department, Sumitomo Electric Industries, Ltd. Jun 2008 Executive Officer, General Manager, Accounting Department, Sumitomo Electric Industries, Ltd. Jun 2011 Executive Officer, President, Sumitomo Electric Wiring Systems, Inc., Sumitomo Electric Industries, Ltd. Jun 2014 Managing Director, Sumitomo Electric Industries, Ltd. Jun 2017 Representative Director, Senior Managing Director, Sumitomo Electric Industries, Ltd. Jun 2019 Representative Director, Executive Vice President, Executive Officer, General Manager, International Division, the Company Jun 2021 Representative Director, President, the Company (current)

1957-05-28

Shigehiro KOJIMA

Representative Director, Senior Managing Executive Officer, General Manager, Facilities Management Division

Apr 1986 Joined the Company Jun 2016 General Manager, Construction Management Department, Eastern Branch, Facilities Management Division, the Company Jun 2018 Executive Officer, General Manager, Construction Management Department, Eastern Branch, Facilities Management Division; General Manager, Tokyo Branch, the Company Jun 2020 Executive Officer, Deputy General Manager, Facilities Management Division; General Manager, Eastern Branch, the Company Jun 2023 Managing Executive Officer, Deputy General Manager, Facilities Management Division, the Company Jun 2024 Senior Managing Executive Officer, General Manager, Facilities Management Division, the Company Jun 2025 Representative Director, Senior Managing Executive Officer, General Manager, Facilities Management Division, the Company (current)

1963-07-20

Koji OKINO

Representative Director, Senior Managing Executive Officer, General Manager, Sales Division, General Manager, International Division

Apr 1986 Joined the Company Sep 2009 General Manager, Sales Department No. 2, Sales Management Department, Western Branch, Facilities Management Division, the Company Jun 2016 Executive Officer, Deputy General Manager, Sales Division; General Manager, Western Sales Department No. 2, the Company Jun 2019 Executive Officer, General Manager, Environmental Solutions Business Division, Facilities Management Division; Deputy General Manager, Sales Division, the Company Jun 2022 Managing Executive Officer, Deputy General Manager, Facilities Management Division; General Manager, Environmental Solutions Business Division, the Company Jun 2024 Senior Managing Executive Officer, General Manager, Sales Division, the Company Jun 2025 Representative Director, Senior Managing Executive Officer, General Manager, Sales Division, the Company (current); General Manager, International Division, the Company (current)

1962-08-08

Tetsunari SHIMADA

Director, Managing Executive Officer

Apr 1985 Joined Sumitomo Electric Industries, Ltd. Jan 2010 General Manager, Itami Works, Sumitomo Electric Industries, Ltd. Jul 2012 General Manager, Human Resources Development Department, Sumitomo Electric Industries, Ltd. Oct 2015 General Manager, General Affairs Department; Deputy General Manager, Human Resources Department, the Company Jun 2016 Executive Officer, General Manager, General Affairs Department; General Manager, Human Resources Department, the Company Dec 2017 Executive Officer, General Manager, Human Resources Department, the Company Jun 2019 Director, Managing Executive Officer, the Company (current)

1962-12-29

Kenichi SHIMADA

Director, Managing Executive Officer, General Manager, Corporate Planning Division

Apr 1988 Joined Sumitomo Electric Industries, Ltd. Jun 2010 General Manager, Operations Department, Industrial Materials Business Unit, Sumitomo Electric Industries, Ltd. Jun 2012 General Manager, Operations Department, Advanced Materials Business Unit, Sumitomo Electric Industries, Ltd. Mar 2014 General Manager, Sumitomo Electric Industries (Shanghai) Co., Ltd. Apr 2018 General Manager, Finance Department, Sumitomo Electric Industries, Ltd. Oct 2021 Deputy General Manager, Corporate Planning Division, the Company Jun 2022 Executive Officer, General Manager, Corporate Planning Division, the Company Jun 2023 Director, Managing Executive Officer, General Manager, Corporate Planning Division, the Company (current)

1964-10-12

Hideyuki TAKAHASHI

Director

Apr 1981 Joined the Bank of Japan Jul 2003 Counselor, Policy Board Secretariat, Bank of Japan Feb 2005 General Manager, Niigata Branch, Bank of Japan Jul 2008 Counselor, Institute for Monetary and Economic Studies, Bank of Japan May 2009 General Manager, Kobe Branch, Bank of Japan Nov 2010 Managing Director, The Osaka Bankers Association (formerly Osaka Bankers Association, incorporated association) Jun 2020 Director, the Company (current) Aug 2021 Secretary General, Japan Securities Settlement Foundation (current)

1956-10-19

Rikiya HATTORI

Director

Apr 1978 Joined Sumitomo Trust & Banking Co., Ltd. (now Sumitomo Mitsui Trust Bank, Limited) Apr 2000 General Manager, Corporate Planning Department, Sumitomo Trust & Banking Co., Ltd. Jun 2005 Executive Officer, General Manager, Financial Institutions Department, Sumitomo Trust & Banking Co., Ltd. Jun 2006 Managing Executive Officer, General Manager, Financial Business Planning Department, Sumitomo Trust & Banking Co., Ltd. Jun 2008 Managing Executive Officer, Director, Sumitomo Trust & Banking Co., Ltd. Apr 2011 Senior Managing Executive Officer, Director, Sumitomo Trust & Banking Co., Ltd. Apr 2013 Senior Managing Executive Officer, Deputy President, Sumitomo Mitsui Trust Holdings, Inc.; Representative Director, Deputy President, Sumitomo Mitsui Trust Bank, Limited Apr 2015 Director, Sumitomo Mitsui Trust Panasonic Finance Co., Ltd. Jun 2015 Representative Director, Deputy President, Sumitomo Mitsui Trust Holdings, Inc. May 2016 Outside Director, Trust Capital Co., Ltd. Apr 2017 Director, Sumitomo Mitsui Trust Holdings, Inc.; Deputy Chairman, Director, Sumitomo Mitsui Trust Bank, Limited Apr 2018 Executive Advisor, Sumitomo Mitsui Trust Bank, Limited; Chairman, Director, Sumitomo Mitsui Trust Panasonic Finance Co., Ltd. Jun 2018 Audit & Supervisory Board Member, the Company Jun 2020 Outside Director, Shiga Bank, Ltd. (current) Jun 2021 Director, the Company (current) Reiwa Accounting Holdings, Standing Audit & Supervisory Board Member

1954-02-03

Hirofumi YASUHARA

Director

Apr 1979 Joined Matsushita Electric Industrial Co., Ltd. (now Panasonic Holdings Corporation) Sep 1996 Director, CFO, Matsushita Battery Industrial Co., Ltd. of America (now Panasonic Energy of North America, Inc.) Jun 2008 Director, Panahome Corporation (now Panasonic Homes Co., Ltd.) Jun 2012 Representative Director, Panahome Corporation (now Panasonic Homes Co., Ltd.) Aug 2015 Standing Audit & Supervisory Board Member, Panasonic Corporation (now Panasonic Holdings Corporation) Jun 2019 Outside Audit & Supervisory Board Member, Santen Pharmaceutical Co., Ltd. Mar 2020 Outside Audit & Supervisory Board Member, Sumitomo Rubber Industries, Ltd. (current) Jun 2020 Outside Audit & Supervisory Board Member, Hitachi Zosen Corporation (now Kanadevia Corporation) (current) Jun 2023 Director, the Company (current)

1956-08-28

Yumi SANO

Director

Apr 1984 Joined Shikibo Ltd. (now Shikibo Ltd.) Apr 1997 Joined Kansai Economic Federation (formerly Kansai Association of Corporate Executives) Apr 2004 General Manager, Membership Department, Kansai Economic Federation Apr 2013 Joined 21st Century Job Foundation Apr 2014 Head, Kansai Office, 21st Century Job Foundation (current) Jun 2021 Outside Director, Sanyo Chemical Industries, Ltd. (current) Jun 2024 Director, the Company (current)

1961-08-20

Tadashi HONDA

Full-time Audit & Supervisory Board Member

Apr 1983 Joined the Company Jun 2009 General Manager, North Kanto Branch, Eastern Branch, Facilities Management Division, the Company Jun 2013 Executive Officer, General Manager, Construction Management Department, Eastern Branch, Facilities Management Division; General Manager, Tokyo Branch, the Company Nov 2015 Executive Officer, President, Thaisemcon Co., Ltd., the Company Jun 2019 Managing Executive Officer, Deputy General Manager, Facilities Management Division; General Manager, Western Branch, the Company Jun 2021 Managing Executive Officer, General Manager, Facilities Management Division; General Manager, Western Branch, the Company Jun 2022 Director, Managing Executive Officer, General Manager, Facilities Management Division, the Company Jun 2023 Director, Senior Managing Executive Officer, General Manager, Facilities Management Division; General Manager, International Division, the Company Jun 2024 Representative Director, Senior Managing Executive Officer, General Manager, International Division, the Company Jun 2025 Full-time Audit & Supervisory Board Member, the Company (current)

1960-06-15

Koji HAMADE

Full-time Audit & Supervisory Board Member

Apr 1987 Joined the Company Oct 2011 General Manager, Business Planning Department, Sales Division, the Company Jun 2016 General Manager, Planning Department, Facilities Management Division, the Company Jun 2021 General Manager, General Affairs Department, the Company Jun 2022 Executive Officer, General Manager, General Affairs Department, the Company Jun 2025 Full-time Audit & Supervisory Board Member, the Company (current)

1963-09-10

Yasuaki TARUTANI

Audit & Supervisory Board Member

Apr 1975 Joined Mitsubishi Heavy Industries, Ltd. Jul 1982 Joined Price Waterhouse & Co. Accounting Firm Sep 1986 Registered as Certified Public Accountant Jan 1993 Registered as Certified Tax Accountant Representative, Kaisei Certified Public Accountants Joint Office (current) Sep 2000 Outside Audit & Supervisory Board Member, Joho Kikaku Co., Ltd. Jul 2005 Outside Audit & Supervisory Board Member, Will Co., Ltd. (formerly Will Real Estate Sales Co., Ltd.) (current) Dec 2015 Outside Director (Audit and Supervisory Committee Member), Joho Kikaku Co., Ltd. Jun 2016 Audit & Supervisory Board Member, the Company (current) Outside Audit & Supervisory Board Member, Active Gaming Media Inc.

1952-04-27

Yoko KOGA

Audit & Supervisory Board Member

Jun 1990 Joined Price Waterhouse LLP (now PricewaterhouseCoopers LLP) Jul 1997 Joined Aoyama Audit Corporation Mar 2000 Manager, Ernst & Young Tax Co. (formerly Shin Nihon Ernst & Young Tax Corporation) (now EY Tax Co., Ltd.) Apr 2001 Senior Manager, Ernst & Young Tax Co. Oct 2004 Partner, Ernst & Young Tax Co. Jul 2017 Director, Ernst & Young Tax Co. Feb 2021 Tax Director, DLA Piper Tokyo Partnership Foreign Law Joint Enterprise Jun 2021 Audit & Supervisory Board Member, the Company (current)

1956-12-08

Takuma USUI

Audit & Supervisory Board Member

Oct 2002 Registered as Attorney-at-Law (Dai-Ichi Tokyo Bar Association) Apr 2002 Joined Tanabe Sogo Law Office Apr 2013 Partner, Tanabe Sogo Law Office (current) Jun 2022 Audit & Supervisory Board Member, the Company (current)

1974-03-10

Large Shareholding Reports

No filings

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-01-30

Q3 Earnings Flash

FY ending Mar 2026

SUMITOMO DENSETSU CO.,LTD.

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SUMITOMO DENSETSU CO.,LTD.

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