PENTA-OCEAN CONSTRUCTION CO., LTD.
五洋建設株式会社
§01
Basic information
- Head office
- 2-2-8 Korakuen, Bunkyo-ku, Tokyo 112-8576
- Chief executive
- Takuji Shimizu
- Capital
- 30,449,000,000 (304 100 million)
- Employees (non-consolidated)
- 3,439 people
- Employees (consolidated)
- 3,991 people
- Start date
- 1950-04-28
- End date
§02
Websites
§03
Business
Design and contracting of construction worksConsulting and surveying servicesRegional and urban development and marine developmentReal estate businessEnvironmental maintenance and pollution prevention businessFabrication and erection of steel bridges and steel structuresGravel and soil extraction business
§04
Related companies
Names without a link are companies not yet registered in OpenBizGraph
§05
Network
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§06
History
Founded in 1896 in Kure City, Hiroshima Prefecture as Mizuno Group, starting with marine civil engineering and expanding into land civil engineering and construction.
Founded in Kure City, Hiroshima Prefecture as Mizuno Group
In 1961, the Suez Canal rehabilitation project marked the beginning of serious overseas expansion.
The Suez Canal rehabilitation project prompted overseas expansion
In 1964, the company entered Singapore and has since operated mainly in Singapore, Hong Kong, and Southeast Asia.
Entered Singapore and began business expansion
On April 10 of this year, the company celebrated its 130th anniversary.
Celebrated the 130th anniversary
§07
News
There is no news.
§08
Public records
National Tax Agency basic information1010001000006
Source: National Tax Agency Corporate Number Publication Site, basic three items
- Trade name
- 五洋建設株式会社
- Trade name (kana)
- ゴヨウケンセツ
- Name in English
- Corporation type
- 301
- Address
- 〒112-0004 東京都文京区後楽２丁目２番８号
- Postal code
- 1120004
- Prefecture code
- 13
- City code
- 105
- Address outside Japan
- Prefecture in English
- City in English
- Address outside Japan in English
- Corporate number assignment date
- 2015-10-05
- Update date
- 2024-04-08
- 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
- 1269794
METI gBizINFO1010001000006
Source: gBizINFO (Ministry of Economy, Trade and Industry)
- Corporate number
- 1010001000006
- Trade name
- 五洋建設株式会社
- Trade name (kana)
- ゴヨウケンセツ
- Trade name (alphabet)
- Registry closure date
- Reason for registry closure
- Registered address
- 東京都文京区後楽２丁目２番８号
- Postal code
- 1120004
- Prefecture
- 東京都
- Prefecture code
- 13
- City or district
- 文京区
- City code
- 105
- Street address
- 後楽２丁目２番８号
- Organisation type
- 301
- Processing type
- 01
- Correction type
- 1
- Status
- Representative
- 代表取締役社長 清 水 琢 三
- Capital
- 30449000000
- Employees
- 3946
- Employees (male)
- 3263
- Employees (female)
- 683
- Business summary
- 総合建設業
- Website URL
- http://www.penta-ocean.co.jp/
- Year founded
- Business category
- D:建設業
- Date established
- 1950-04-28
- Unified government qualification - grade
- D|D|D|B
- Unified government qualification - business items
- 111|112|124|129|211|212|215|224|229|303|308|309|310|312|315|402
- Update date
- 2024-04-08
- Key information
- 1010001000006
§09
Sources & updates
DOMAINOwn domain：Yes
UPDATED2026-11-08 08:22 · Model: gpt-4.1-nano