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洸洋海工株式会社

Hiroshima, Japan

Active
Registration numberT6240001041187
TypeCorporation
Registered name洸洋海工株式会社
Address広島県呉市蒲刈町大浦5406番地
5406 Kamagaricho Oura, Kure-shi, Hiroshima 737-0402, JAPAN
Corporate number6240001041187
Corporate number assigned on2015-10-05
Invoice registered on2023-10-01

Invoice registration date = when the T-number took effect, not the founding date.

Corporate registry record

Entity typeKabushiki Kaisha (stock company)
Representative代表取締役 中野 陽介
Reading (furigana)コウヨウカイコウ
Reading (romaji)Koyokaiko
English name (unofficial)Koyo Kaiko
Postal code737-0402

Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).

Company profile (gBizINFO)

Incorporated2011-07-01

Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.

Government contract awards (GEPS)

133 national government awards on record between 2016-04-07 and 2026-10-30.

2026-10-30Mamanose Minami Light Buoy and 27 Other Replacements, Plus 2 Other Projects
馬ノ瀬南方灯浮標ほか27基交換工事ほか2件
2026-10-14Tanabe Port Abose Light Buoy and 5 Other Units Complete Replacement Work
田辺港アボセ灯浮標ほか5基全交換工事
2026-10-06Manufacturing of 1 standard body (L-1 type)
標体(L-1型)1基製造
2026-10-05Total Replacement Work for Sakai Fairway No. 3 Light Buoy and 7 Other Buoys, Plus 3 Other
堺航路第三号灯浮標ほか7基全交換工事ほか3件
2026-08-21Standard beacon repair (3rd)
標体修繕(第3回)

Full award history on Japan Tenders →

出典:調達ポータル(https://www.p-portal.go.jp/)

Payments from national budget programmes (行政事業レビュー)

Ministry review sheets report this company as a payee of 1 programme (5 lines, sheet years 2024–2025; total ¥361.4M).

2025
FY2024
航路標識整備事業 ¥175.7M (国土交通省 海上保安庁)
【民間事業者】地方部局にて発注した工事等
2025
FY2024
航路標識整備事業 ¥8.1M (国土交通省 海上保安庁)
【民間事業者】地方部局に発注した機器買入等
2024
FY2023
航路標識整備事業 ¥153.1M (国土交通省 海上保安庁)
【民間事業者】当庁が発注した工事等
2024
FY2023
航路標識整備事業 ¥19.1M (国土交通省 海上保安庁)
【民間事業者等】当庁が発注した機器買入等
2024
FY2023
航路標識整備事業 ¥5.3M (国土交通省 海上保安庁)
【民間事業者】当庁が発注した工事等

Contract details (excerpt): その他 ¥104.5M・一般競争契約(最低価格) / 航路標識の改良改修工事 ¥21.8M・一般競争契約(最低価格) · bidders 1 / 航路標識の改良改修工事 ¥18.7M・一般競争契約(最低価格) · bidders 1 / 航路標識の改良改修工事 ¥17.1M・一般競争契約(最低価格) · bidders 1 / 航路標識の改良改修工事 ¥13.7M・一般競争契約(最低価格) · bidders 2 / その他 ¥3.3M・随意契約(少額)

Source: 行政事業レビュー見える化サイト (Cabinet Secretariat, PDL 1.0) — edited extract by LoreaTec. A sheet year describes the previous fiscal year’s spending. Programme database →

Licenses, registrations & certifications (gBizINFO)

Construction business license Civil engineering works・Scaffolding & earthworks・Stone works・St… / General contractor・Hiroshima Governor license No. 035917 (Hiroshima)

Source: gBizINFO (METI) notifications & certifications dataset, refreshed monthly. Some licenses (e.g. construction 建設業許可, electrician registrations) are not part of the gBizINFO dataset.

How to cite this page

Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t6240001041187) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-11-08.

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