Open company graph database — free web & API
Login
Login
01 SearchJPID 14531
← Back { } JSON

NANKAI DENSETSU CO.,LTD.

南海電設株式会社
Ticker
—
Listed market
—
Country
Japan
Employees (non-consolidated)
—
Related companies
19
§01

Basic information

BASIC
Head office
3-6-13 Kawaraya-cho, Chuo-ku, Osaka, 542-0066
Chief executive
Ryōhei Omae
Capital
100,000,000
Employees (non-consolidated)
Employees (consolidated)
Start date
1958-09-01
End date
§02

Websites

1 DOMAINS
§03

Business

38
ISP servicesHosting servicesElectrical infrastructure constructionEV infrastructure constructionEV charging billing serviceHigh-voltage distribution equipment renewalTelephone communication system maintenanceNetwork maintenanceReception servicesCenter operationsEarthquake early warning distribution serviceWeather observation information provision serviceEnergy-saving productsEV charger installationMobile solutionsOffice space solutionsWireless solutionsSecurity solutionsLED lightingOutlet equipmentIndependent power supply systemCharging equipment for EV/PHVEMS (Energy Management System) businessInformation and communication system businessNetwork BusinessElectrical Equipment BusinessMaintenance BusinessDisaster prevention and environmental measures businessTelephony ServerContact CenterWAN NetworkLAN NetworkCloud Service5G/6GGenerative AIIoTSolar Power Generation EquipmentEnergy storage batteries
§04

Related companies

19 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
Kokuyo Co., Ltd.
Group
Shin-Aichi Electric Manufacturing Co., Ltd.
Group
Santelefon Co., Ltd.
Group Customer
NITTO KOGYO CORPORATION
Group Shareholder
Kyocera Corporation
Group
Daiyo Electric Manufacturing Co., Ltd.
Group
Sekisui House, Ltd.
Group
ECAD Solutions Inc.
Group
KDDI Corporation
Group
Tempaul Industrial Co., Ltd.
Group
KITAGAWA INDUSTRIES CO., LTD.
Group
EM Solutions Inc.
Group
IHI株式会社
Group
NEC Corporation
Customer
Central Japan Railway Company
Customer
IHI Group
コクヨグループ
Kyocera Group
Sekisui House Group
Names without a link are companies not yet registered in OpenBizGraph
§05

Network

NETWORK
Drag to move · click to open
§06

History

13 EVENTS

Company established in Naniwa-ku, Osaka City with capital of 1 million yenSources

Construction of new headquarters in Naniwa-ku, Osaka CitySources

Opening of Tokyo sales office (now Tokyo office) and Hiroshima sales office. Subsequently expanded nationwide to Nagoya, Fukuoka, Kobe, Sendai, and TakamatsuSources

24-hour maintenance service launchedSources

ISP service launchedSources

ISO14001 certification obtainedSources

Capital increased to 100 million yenSources

Privacy Mark obtainedSources

Emergency earthquake alert distribution startedSources

Our shares were acquired 100% by Nitto Kogyo Co., Ltd., becoming part of the Nitto Kogyo GroupSources

ISO/IEC27001 certification obtainedSources

High-voltage substation renewal project startedSources

EV charging service business startedSources

§07

News

6 ARTICLES

Nankai Densetsu Establishes Basic Policy on Customer and Job-Hunting HarassmentSources

Nankai Densetsu Co., Ltd. has established a basic policy on customer harassment and harassment during job hunting to ensure a safe working environment for employees, partner businesses and job seekers. Based on Ministry of Health, Labour and Welfare guidelines, the company will respond firmly as an organization to conduct or unreasonable demands that exceed socially accepted standards. It will continue to take customer feedback seriously and work to improve its services and quality.

Results of Action Plan under the Act on Promotion of Women’s Participation and Advancement in the WorkplaceSources

On April 8, 2026, Nankai Densetsu Co., Ltd. published the results of its action plan under the Act on Promotion of Women’s Participation and Advancement in the Workplace. Since April 1, 2022, companies with 101 or more regularly employed workers have been required to disclose information on women’s participation. This disclosure covers fiscal 2025 results. Details are available on the company’s official website.

Sendai Sales Office RelocationSources

Nankai Densetsu Co., Ltd. has moved its Sendai Sales Office to the first floor of Office Yamato Building III, 2-3-1 Haginomachi, Miyagino-ku, Sendai, Miyagi Prefecture, Japan. The telephone and fax numbers remain unchanged.

Nankai Densetsu Certified as a 2026 Health and Productivity Management Outstanding Organization (SME Category)Sources

On March 9, 2026, Nankai Densetsu Co., Ltd. was certified in the small and medium-sized enterprise category of the 2026 Certified Health and Productivity Management Outstanding Organizations program, administered by the Ministry of Economy, Trade and Industry and the Japan Health Council. The program recognizes companies with strong initiatives for employee health management and promotion. The company plans to continue promoting health management and creating a healthy, comfortable workplace.

Fukuoka Sales Office RelocationSources

The company’s Fukuoka Sales Office has moved to Room 1 and Room 2, Twin Square, 1-8-28 Enokida, Hakata-ku, Fukuoka City, Fukuoka 812-0004, Japan. The telephone and fax numbers remain unchanged.

CHARGE CONNECT Website RedesignedSources

The website for CHARGE CONNECT, an EV charging service, has been redesigned to enable proposals tailored to the intended installation site. The announcement was issued on February 27, 2026. The company looks forward to customers’ continued support.

§08

Public records

GOV
National Tax Agency basic information6120001039383
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
南海電設株式会社
Trade name (kana)
ナンカイデンセツ
Name in English
Corporation type
301
Address
〒542-0066 大阪府大阪市中央区瓦屋町３丁目６番１３号
Postal code
5420066
Prefecture code
27
City code
128
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2024-10-22
Change date
2024-10-15
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
12
Correction type
0
Trade name image ID
Address image ID
Sequence number
4252097
METI gBizINFO6120001039383
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
6120001039383
Trade name
南海電設株式会社
Trade name (kana)
ナンカイデンセツ
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
大阪府大阪市中央区瓦屋町３丁目６番１３号
Postal code
5420066
Prefecture
大阪府
Prefecture code
27
City or district
大阪市中央区
City code
128
Street address
瓦屋町３丁目６番１３号
Organisation type
301
Processing type
12
Correction type
0
Status
Representative
代表取締役　大前　良平
Capital
Employees
121
Employees (male)
102
Employees (female)
19
Business summary
Website URL
Year founded
Business category
D:建設業
Date established
1958-09-08
Unified government qualification - grade
|C|C|
Unified government qualification - business items
216|217|220|221|304|308|309|315
Update date
2024-10-22
Key information
6120001039383
§09

Sources & updates

SOURCES
DOMAINOwn domain：Yes
UPDATED2026-11-08 15:14 · Model: gpt-oss-20b(16)
↑