Group Companies

TOKAI Holdings Corporation has 36 consolidated subsidiaries and 9 equity-method affiliates.

(As of April 1, 2025)

For details on each company, please refer to its website.

TOKAI Holdings Corporation

Address	2-6-8, Tokiwa-cho, Aoi-ku, Shizuoka City, Shizuoka Prefecture
URL	https://www.tokaiholdings.co.jp/english/
Business Activities	Oversees the activities of subsidiaries and other entities engaged in energy, information and communication, and other businesses, and performs related functions.

TOKAI CORPORATION

Shizuoka Headquarters	2-6-8, Tokiwa-cho, Aoi-ku, Shizuoka City, Shizuoka Prefecture
Tokyo Headquarters	Hamarikyu Intercity, 1-9-1, Kaigan, Minato-ku, Tokyo Prefecture
URL	http://www.tokai.jp/
Business Activities	Working from customer relationships founded on trust, TOKAI pursues a broad array of businesses offering products and services responding precisely to social and environmental needs. TOKAI offers products and services integral to daily life. Examples include LP gas, drinking water delivery (returnable, disposable bottles), residential renovation, other housing-related services, solar power and other renewable energy, security services, and insurance. TOKAI serves Shizuoka Prefecture and 14 prefectures, mainly in the Kanto Region.

TOKAI Communications Corporation

Address	2-6-8, Tokiwa-cho, Aoi-ku, Shizuoka City, Shizuoka Prefecture
URL	http://www.tokai-com.co.jp/
Business Activities	TOKAI Communications provides optimal, high value-added ICT services amid accelerating reliance on information technology. It offers consumers a convenient ICT environment via ISP and mobile shopping services, and provides commercial customers integrated solutions based on a combination of system integration, data center, and network services.

TOKAI Cable Network Corporation

Address	8-28, Kotobuki-cho, Numazu City, Shizuoka Prefecture
URL	https://tokai-catv.co.jp/
Business Activities	TOKAI Cable Network provides Shizuoka prefectures with digital CATV broadcast services and, with its own CATV fiber-optic lines, offers these same areas FTTH Internet, fiber-optic telephone, and other high-quality services. The company also produces and distributes community-based/community-oriented programming.

TOKAI GAS CORPORATION

Address	74-3, Shiotsu, Yaizu City, Shizuoka Prefecture
URL	http://www.tokaigas.co.jp/
Business Activities	With its core business activities consisting of the provision of city gas to the central Shizuoka Prefecture cities of Yaizu, Fujieda, and Shimada, and Simonita-machi Gunma Prefecture, Nikaho City Akita Prefecture. TOKAI GAS also sells LP gas and performs residential renovation and other services tailored to local consumer needs. In the city of Fujieda, the company also operates a showroom where visitors can experience the convenience of gas appliances and glimpse the future of energy.

ICHIHARA CABLE TELEVISION CORPORATION

Address	2-23-18, Goichuohigashi, Ichihara City, Chiba Prefecture
URL	http://www.icntv.ne.jp/
Business Activities	ICHIHARA CABLE TELEVISION provides CATV, CATV Internet, and related services in Ichihara City, Chiba Prefecture.

ATSUGI ISEHARA CABLE NETWORK CORPORATION

Address	3050, Okada, Atsugi City, Kanagawa Prefecture
URL	http://www.ayu.ne.jp/
Business Activities	ATSUGI ISEHARA CABLE NETWORK provides CATV, CATV Internet, and related services in Atsugi City, Kanagawa Prefecture.

LCV CORPORATION

Address	821, Shiga, Suwa City, Nagano Prefecture
URL	http://www.lcv.jp/
Business Activities	LCV provides CATV, CATV Internet, and related services in the Suwa, Okaya, and Tatsuno regions of Nagano Prefecture.

KURASHIKI CABLE TELEVISION Inc

Address	2661-1, Nakashima, Kurashiki City, Okayama Prefecture
URL	http://www.kct.co.jp/
Business Activities	KURASHIKI CABLE TELEVISION provides CATV, CATV Internet, and related services in the cities of Kurashiki, Soja, Tamano, and other municipalities in Okayama Prefecture.

Toco Channel Shizuoka Corporation

Address	2-1-5, Nakanogo, Shimuzu-ku, Shizuoka City, Shizuoka Prefecture
URL	http://www.tocochannel.jp/
Business Activities	Provides CATV, CATV Internet, and related services in Shizuoka City, Shizuoka Prefecture.

Tokyo Bay Network Co.,Ltd.

Address	Toyocho SH Building 3rd floor, Toyo 4-10-4, Koto-Ku, Tokyo Prefecture
URL	http://www.baynet.ne.jp/
Business Activities	Provides CATV, CATV Internet, and related services in Koto-Ku and Chuo-Ku, Tokyo Prefecture.

Cable Television Tsuyama Co., Ltd.

Address	TIC Building 2nd floor, Odanaka 1308-9, Tsuyama City, Okayama Prefecture
URL	http://www.tvt.ne.jp/
Business Activities	Provides CATV, CATV Internet, and related services in mainly Tsuyama City, Okayama Prefecture.

SENDAI CATV Co., Ltd.

Address	1-15-5 Honcho, Aoba-ku, Sendai City, Miyagi Prefecture
URL	https://www.cat-v.jp/
Business Activities	Engaged in CATV business such as cable TV (CATV) broadcasting and CATV Internet mainly in Sendai City, Miyagi Prefecture.

Okinawa Cable Network Inc.

Address	1-2-20 Kumoji, Naha, Okinawa Prefecture
URL	https://www.nirai.ne.jp/
Business Activities	Engaged in CATV business such as cable TV (CATV) broadcasting and CATV Internet mainly in Naha City, Okinawa Prefecture.

Energy Line Corporation

Address	2-6-8, Tokiwa-cho, Aoi-ku, Shizuoka City, Shizuoka Prefecture
URL	https://www.energyline.co.jp/
Business Activities	Energy Line produces, sells, and delivers LP gas, LNG, and high-pressure gas.

Nissan Tri Star Construction, Inc.

Address	439-1, Atotsu, Hagiwara-Cho, Gero-City, Gifu Prefecture
URL	https://www.nissankougyou.co.jp/
Business Activities	Civil engineering and construction planning, design and construction, real estate business

Tender Co., Ltd.

Address	439-1, Atotsu, Hagiwara-Cho, Gero-City, Gifu Prefecture
Business Activities	Nursing care welfare business, solar power generation business

Tokai Nondestructive Inspection Co., Ltd.

Address	4-17-16, Suga, Gifu-City, Gifu Prefecture
URL	https://www.tokaihihakai.com/
Business Activities	Nondestructive inspection business by radiation, ultrasonic waves, magnetic powder and penetration of structures

Chuo Denki Construction Co., Ltd.

Address	4-11-6 Kaminagoya, Nishi-ku, Nagoya City, Aichi Prefecture
URL	http://chuo-denki.co.jp/
Business Activities	Undertake the construction of electrical equipment for government offices, banks, general companies, etc., mainly in Aichi Prefecture.

Inoue Technica Co., Ltd.

Address	Nakaharacho, Numazu City, Shizuoka Prefecture
URL	http://www.inoue-t.jp/
Business Activities	Based in the eastern part of Shizuoka prefecture, we provide services in various fields such as outsourcing business of building comprehensive management business (building maintenance business), personnel dispatch business, real estate consulting business, restaurant management.

Marco Polo Inc.

Address	Toyota City, Aichi Prefecture
URL	https://www.marco-polo.co.jp/
Business Activities	Large-scale repair work for condominiums and public facilities in the Tokai area centered on Nagoya.

Wood Recycle Inc.

Address	Gero City, Gifu Prefecture
Business Activities	Based in Gero City, Gifu Prefecture, developing industrial waste (wood waste / fiber waste) and general waste (wood waste) treated wood chips.

NIKAHO GAS CORPORATION

Address	4, Funahashi, Hirasawa, Nikaho, Akita Prefecture
URL	https://www.nikahogas.co.jp/
Business Activities	City gas business in Nikaho City, Akita Prefecture.

CYZE Inc.

Address	7th Floor FPG links SHIBUYA, 1-18-1 Dougenzaka, Shibuya-ku, Tokyo
URL	http://www.cyze.jp/
Business Activities	Provision of in-house developed survey system and entrusted development of systems

AM's Unity Inc.

Address	2nd Floor Kitanagase MK Building, 1201-1 Kitanagase, Kita-ku, Okayama City, Okayama Prefecture
URL	http://www.amsunity.co.jp/
Business Activities	Software development and sales, system operation and maintenance

QUERY Co. Ltd.

Address	1-32-7 Higashiikebukuro, Toshima-ku, Tokyo, Taiju Seimei Ikebukuro Building 9F
URL	https://www.query-corp.co.jp/
Business Activities	Contract development of IT systems, software, smartphone applications, etc., Web production and operation, etc.

J-support CO.,LTD

Address	Tenjin Building New Building 3F, 4-3-30 Tenjin, Chuo-ku, Fukuoka City, Fukuoka Prefecture
URL	https://www.jsup.co.jp/
Business Activities	Development, sales, and maintenance of package software for logistics and warehousing such as warehouse management systems.

UIS, Inc.

Address	4F Ueki Building, 41-2 Kanda Higashimasushita-cho, Chiyoda-ku, Tokyo
URL	https://www.uis-w.co.jp/
Business Activities	Provide contract system development and application development for medical institutions.

G&F Co., Ltd

Address	5-18-12 Shinjuku 5-II, 4th floor, Shinjuku-ku, Tokyo
URL	https://www.gandf.co.jp/
Business Activities	Specializing in proposing, designing, building, and maintaining IT infrastructure systems.

Tokaizosen-unyu Corporation

Address	3899-4, Kogawa, Yaizu City, Shizuoka Prefecture
URL	http://www.tokaizosen-unyu.co.jp/
Business Activities	Tokaizosen-unyu's shipbuilding unit performs repair and maintenance work on marine vessels, its transportation unit moves LP gas by truck from the Oikawa Gas Terminal, and its water delivery service provides bottled water and water dispensers to homes and offices in Shizuoka Prefecture.

TOKAI City Service Corporation

Address	17-1, Koyamachi, Aoi-ku, Shizuoka City, Shizuoka Prefecture
URL	http://www.grandair.jp/
Business Activities	TOKAI City Service has been operating the Grandair Bouquet Tokai wedding and banquet hall in the Aoi Tower building in front of JR Shizuoka Station since April 2010.

TOKAI LIFE PLUS CORPORATION

Address	2-6-8, Tokiwa-cho, Aoi-ku, Shizuoka City, Shizuoka Prefecture
URL	https://www.refrea.net/
Business Activities	TOKAI LIFE PLUS provides adult day care and temporary nursing care services in Shizuoka City, Shizuoka Prefecture.

TOKAI Management Service Corporation

Address	2-6-8, Tokiwa-cho, Aoi-ku, Shizuoka City, Shizuoka Prefecture
URL	http://www.tokai-ms.co.jp/
Business Activities	TOKAI Management Service provides TOKAI Group companies with accounting, payroll and benefits, recruiting and training, leasing and vehicle management, and other administrative services on a contract basis.

TOKAI Kids Touch Corporation

Address	2-6-8, Tokiwa-cho, Aoi-ku, Shizuoka City, Shizuoka Prefecture
URL	https://www.tokai-kidstouch.co.jp/
Business Activities	Operates a child care facility that can be used for a short period of time.

JOYNET Co., Ltd.

Net Technology Shizuoka Co., Ltd.

One other consolidated subsidiary

Equity-method affiliates(9 Companies)

T&T Energy Co.,Ltd.

Address	2-33-10, Meisei, Nagoya Nishi-ku, Aichi Prefecture
URL	https://tt-energy.co.jp/
Business Activities	City gas sales for homes in three prefectures of Tokai (Aichi, Gifu, Mie Prefctures)

CloudMaster Co., Ltd.

Address	7F., No.115, Emei St., Wanhua Dist., Taipei City 108, Taiwan(R.O.C.)
URL	http://www.cloudmaster.com.tw/ (Chinese)
Business Activities	Service integration business and system development for medical institutions in Taipei, Taiwan.

Six other equity-method affiliates

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