Japan Sales Offices

Head Office

F12 Ochanomizu Kyoun Bldg., 2-2 Kanda Surugadai, Chiyoda-ku, Tokyo 101-8118, Japan

TEL: 81-50-1744-5449

MAP

Osaka Branch Office

Osaka Mitsui Bussan Bldg., 2-3-33 Nakanoshima, Kita-ku, Osaka-shi, Osaka 530-0005, Japan

TEL: 81-6-6121-6002

MAP

Nagoya Branch Office

Sakae Suncity Bldg., 4-1-8 Sakae, Naka-ku, Nagoya-shi, Aichi 460-0008, Japan

TEL: 81-52-854-7230

MAP

Hokkaido Office

F3 J&S Resona Bldg., 4-1-2 Kita 1-jo Nishi, Chuo-ku, Sapporo-shi, Hokkaido 060-0001, Japan

TEL: 81-11-241-2456

FAX: 81-50-1796-0872

MAP

Tohoku Office

F4 Sendai Jozenji Bldg., 3-4-33 Kokubun-cho, Aoba-ku, Sendai-shi, Miyagi 980-0803, Japan

TEL: 81-22-222-1115

FAX: 81-50-1796-0873

MAP

Kyushu Office

No. 3 Myojo Bldg., 4-1-7 Tenjin, Chuo-ku, Fukuoka-shi, Fukuoka 810-0001, Japan

TEL: 81-92-781-4261

FAX: 81-50-1702-6116

MAP

Chugoku Office

Meiji Yasuda Seimei Hiroshima Hondori Bldg., 6-11 Hondori, Naka-ku, Hiroshima-shi, Hiroshima 730-0035, Japan

TEL: 81-82-249-9311

FAX: 81-50-1796-0870

MAP

Shikoku Office

Sanko Takamatsu Bldg., 11-1 Nakashinmachi, Takamatsu-shi, Kagawa 760-0056, Japan

TEL: 81-87-863-1661

FAX: 81-50-1796-0871

MAP

Construction Supply Business

Consolidated Subsidiaries

Company Name

Location / Contact Information / Business Description

Date Founded / Date Joined the Group

Rest Corporation

345-2 Horigome, Shimizu-ku, Shizuoka-shi, Shizuoka 424-0057, Japan

TEL: 81-54-348-1201

FAX: 81-54-348-1214

Production and installation of restroom booths

Established in April 1980

Became a subsidiary in October 2019

Gansui Corporation

18-18 Fukuyoshicho, Okayama-shi, Okayama 702-8048, Japan

TEL: 81-86-265-0888

FAX: 81-86-265-0899

Building foundation work, civil engineering work, ground investigation, design, franchise business.

Founded in August 1965

Became a subsidiary in June 2023

Naruto-SP Industries Co., Ltd.

5-1-12 Shinkitajima, Suminoe, Osaka-shi, Osaka 559-0024, Japan

TEL: 81-6-6682-8191

FAX: 81-6-6682-8190

Building foundation work, civil engineering work, ground investigation.

Became a subsidiary in June 2023

(Gansui Corporation made it a subsidiary.)

Ando Co., Ltd.

1-5-5 Yaguchi Shinmei, Sakae-machi, Inba-gun, Chiba 270-1501, Japan

TEL: 0476-95-1143

FAX: 0476-95-0847

Manufacturing and sales of RC piles

Became a subsidiary in June 2026

(Gansui Corporation made it a subsidiary.)

New Energy Distribution System Inc.

4-6-14 Tsutsui, Onojo-shi, Fukuoka 816-0931, Japan

Design and construction of electrical work.

Installation, electrical work, and sales of all-electric appliances, solar power generation systems, and battery storage systems.

Established in March 2008

Became a subsidiary in December 2022

Sanwa System Co., Ltd.

14th Floor, Shinagawa Seaside Canal Tower, 4-12-6 Higashishinagawa, Shianagawa ward, Tokyo 140-0002, Japan

TEL: 81-3-6864-1560

FAX: 81-3-6864-1561

Sales, installation, and maintenance of solar power generation systems.

Established in June 2013

Became a subsidiary in February 2025

Affiliated Companies

Company Name

Location / Contact Information / Business Description

Date Founded / Date Joined the Group

Doryoku Co., Ltd.

2-3-10 Mikawa Anjo Higashi-machi, Anjo-shi, Aichi 446-0057, Japan

TEL: 81-566-91-3880

FAX: 81-566-91-3881

Development of installation frames for photovoltaic power systems

Established in December 2008

Became an equity-method affiliate in January 2010

HIT Engineering Co., Ltd.

F3 Nihonbashi Ainex Building, 14-10 Nihonbashi Kobunacho, Chuo-ku, Tokyo 103-0024, Japan

TEL: 81-3-6426-8994

FAX: 81-3-6426-8995

Residential electrical work, smart house business

Established in June 2019

Became an equity-method affiliate in August 2019

Industrial Materials Business

Consolidated Subsidiaries

Company Name

Location / Contact Information / Business Description

Date Founded / Date Joined the Group

Takashima Industries Co., Ltd.

F6 Ryumeikan Honten Bldg., 3-4 Kanda-surugadai, Chiyoda-ku, Tokyo 101-0062, Japan

TEL: 81-3-6381-0810

FAX: 81-3-6381-0820

Engineering, processing, and sales of industrial textiles, plastic materials and plastic molded products, rolling stock parts for train, and environment-related products, etc.

Founded in October 1915 as Takashima & Co., Ltd.

In January 2024, the industrial materials business became a subsidiary.

TAKCEL Co., Ltd.

600 Hongo, Nishikata-machi, Tochigi-shi, Tochigi 322-0603, Japan

TEL: 81-282-92-0091

FAX: 81-282-92-0134

Manufacture and sale of plastic molded products

Founded in 1924, established in 1943

Became a subsidiary in October 2015

HI-LAND Co., Ltd.

F6 Ryumeikan Honten Bldg., 3-4 Kanda-surugadai, Chiyoda-ku, Tokyo 101-0062, Japan

TEL: 81-3-6458-1160

FAX: 81-3-3258-2160

Development, manufacture and sale of machine-sewn products, design and processing of membrane structures, and sale of industrial and medical logistics materials

Established in September 2005

Sinbou Edix Co., Ltd.

13-5 Arcs, Nagano-shi, Nagano 380-0918, Japan

TEL: 81-26-228-4161

FAX: 81-26-228-6131

Wholesale of pharmaceuticals, food hygiene, environmental hygiene materials, household products, health guidance services, and nursing care products.

Founded and established in 1949

Became a subsidiary in December 2022

Affiliated Companies

Company Name

Location / Contact Information / Business Description

Date Founded / Date Joined the Group

Green Cycle Corporation

13 Showa-cho, Minato-ku, Nagoya, Aichi 455-0026, Japan
TEL: 81-52-613-5701

FAX: 81-52-613-5703

Recycling of used home appliances (four types),  (Recovery of metal (iron, copper and aluminum), plastics, glass and CFCs)

Established in July 1998

Founded in October 2000

Became an equity-method affiliate in June 2026

Electronic Devices Business

Company Name

Location / Contact Information / Business Description

Date Founded / Date Joined the Group

iTak (International) Limited

Room 2009-11, 20/F, North Tower, Concordia Plaza, No.1 Science Museum Rd., T.S.T. East, Kowloon, Hong Kong

TEL: 852-2782-6661

FAX: 852-2782-4960

Sales of electronic components, electronic devices, and other products, and support for production engineering and quality management

Established in October 1993 / A subsidiary of Takashima & Co., Ltd.

iTak International (Japan) Co., Ltd.

Shinjuku Gomeikan Bldg., 3-3-9 Shinjuku, Shinjuku-ku, Tokyo 160-0022, Japan

TEL: 81-3-5369-4100

FAX: 81-3-5369-4101

Sales of electronic components, electronic devices, and other products, and support for production engineering and quality control

Established in May 1973

Became a subsidiary of Takashima & Co., Ltd. in August 1989

Became a subsidiary of iTak (International) Limited in 2010

iTak International (Shenzhen) Limited

Room 3501, Shenrun Building, No. 1001 Shennan East Road, Wenhua Community, Huangbei Subdistrict, Luohu District, Shenzhen City, Guangdong Province, China

TEL: 86-755-8223-4467

FAX: 86-755-8223-4496

Sales support for electronic components,electronic devices, and other products

Established in April 2010 / A subsidiary of iTak (International) Limited

iTak International (Shanghai) Limited

Room 1303, Shanghai International Group Mansion, No.511 Wei Hai Rd., Shanghai, China 200041

TEL: 86-21-6255-5051

FAX: 86-21-6255-5045

Sale of electronic components, electronic devices and other products

Established in August 2003 / A subsidiary of iTak (International) Limited

iTak International (Vietnam) Co., Ltd.

Factory 2-5,6 Rd. N3-2, Long Duc IP, Long Duc ward, Long Thanh District, Dong Nai province, Vietnam

TEL: 84-251-3681-968

FAX: 84-251-3681-969

Manufacture and sale of electronic components

Established in May 2017 / A subsidiary of iTak (International) Limited

iTak International (Thailand) Limited

Room 1206-1208, BB Building, 54 Sukhumvit 21(Asoke)Rd., Klongtoey-Nua, Wattana, Bangkok, Thailand 10110

TEL: 66-2-664-4390

Manufacture and sale of electronic components, electronic devices, and other products

Established in February 2008 / A subsidiary of iTak (International) Limited

iTak International (Malaysia) Sdn. Bhd.

Tingkat 8-2, Bangunan KWSP, No.3009, Of Lebuh Tenggiri 2, Bandar Seberang Jaya, Penang, Malaysia 13700

TEL: 60-4-3976-162

FAX: 60-4-3905-117

Sale of electronic components, electronic devices,and other products

Established in October 2017 / A subsidiary of iTak (International) Limited