Toyama Telephone Construction Co., Ltd.

§01

Basic information

BASIC

Head office: 1262 Shiharaariya, Toyama-shi, Toyama 930-2243, Japan
Chief executive: Murokuchi Mitsuhiro
Capital: 20,000,000
Employees (non-consolidated): 82 people
Employees (consolidated): 78 people
Start date: 1990-05-01
End date

§02

Websites

1 DOMAINS

https://www.toyama-denwa.co.jp/

§03

Business

9

Industrial waste collection and transportation (excluding special management waste)Railway departmentResidential departmentCivil engineering departmentDesign, construction, and maintenance of telecommunications workElectrical work contractingInstallation work for optical internet and optical IP phone in general user homes and apartment complexesCivil, construction, paving, and pipe workDesign and surveying related to civil, construction, paving, and pipe work

§04

Related companies

13 COMPANIES

Company name	Group	Parent	Subsidiary	Customer	Supplier	Alliance	Bank	Shareholder
Hokuriku Telephone Construction Co., Ltd. Group Parent
NTT Infrastructure Network Co., Ltd. Customer
NTT Business Solutions Inc. Customer
Irec Engineering Co., Ltd. Customer
C-ube Co., Ltd. Customer
Sumitomo Electric Industries, Ltd. Customer
Nihonkai Dengyo Co.Ltd. Customer
NTEC Corporation Customer
NTT Field Tech Corporation Customer
Hokutsu Co., Ltd. Customer
C.S.K. Corporation Customer
Riken Instruments Co., Ltd. Customer
West Japan Telecommunications Inc. Customer

Names without a link are companies not yet registered in OpenBizGraph

§05

Network

NETWORK

§06

History

12 EVENTS

1990-05

Company founded Capital: 5 million yen (1-14-24 Shimoakae, Toyama-shi, Toyama)

1993-04

Capital increased to 10 million yen

2001-04

Head office relocation (22 Ningawa, Toyama-shi, Toyama): [Reorganization of Hokuriku Telephone Construction Co., Ltd. Group implementation system]

2002-04

Takaoka office opened: (3-43-23 Mukaino-cho, Takaoka-shi, Toyama, inside Hokuriku Telephone Construction Co., Ltd. Takaoka Center)

2004-04

ISO9001 certification

2005-11

Head office relocation (1262 Shiharaariya, Toyama-shi, Toyama)

2006-02

Acquired industrial waste collection and transportation license

2010-08

Acquired general construction license (electrical work)

2011-05

Fully acquired Hokuriku Telephone Construction Co., Ltd.

2011-07

Capital increased to 20 million yen

2011-08

Acquired specific construction license (telecommunications work)

2015-04

Merged with Koshiden Telephone Construction Co., Ltd. and Toyama Civil Engineering Co., Ltd.

§07

News

0 ARTICLES

There is no news.

§08

Public records

GOV

National Tax Agency basic information2230001001971

Source: National Tax Agency Corporate Number Publication Site, basic three items

Trade name: トヤマ電話工事株式会社
Trade name (kana)
Name in English
Corporation type: 301
Address: 〒930-2243 富山県富山市四方荒屋１２６２番地
Postal code: 9302243
Prefecture code: 16
City code: 201
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date: 2015-10-05
Update date: 2025-06-02
Change date: 2015-10-05
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record: 1
Excluded from search: 0
Processing type: 01
Correction type: 1
Trade name image ID
Address image ID
Sequence number: 3059495

METI gBizINFO2230001001971

Source: gBizINFO (Ministry of Economy, Trade and Industry)

Corporate number: 2230001001971
Trade name: トヤマ電話工事株式会社
Trade name (kana): トヤマデンワコウジ
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address: 富山県富山市四方荒屋１２６２番地
Postal code: 9302243
Prefecture: 富山県
Prefecture code: 16
City or district: 富山市
City code: 201
Street address: 四方荒屋１２６２番地
Organisation type: 301
Processing type: 01
Correction type: 1
Status
Representative: 代表取締役　室口　光広
Capital
Employees
Employees (male)
Employees (female)
Business summary
Website URL
Year founded
Business category
Date established: 1990-05-30
Unified government qualification - grade: D|C|C|
Unified government qualification - business items: 116|117|118|120|121|124|127|128|129|216|217|218|220|221|223|224|227|228|229|303|304|306|308|309|315
Update date: 2025-06-02
Key information: 2230001001971

§09

Sources & updates

SOURCES

SOURCEhttps://www.toyama-denwa.co.jp/company/

NEWS ●https://www.toyama-denwa.co.jp/news/Collected

DOMAINOwn domain：Yes

UPDATED2026-09-23 15:04 · Model: gpt-oss-20b(16)