洸洋海工株式会社
Hiroshima, Japan
Active| Registration number | T6240001041187 |
|---|---|
| Type | Corporation |
| 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 number | 6240001041187 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
Invoice registration date = when the T-number took effect, not the founding date.
Corporate registry record
| Entity type | Kabushiki 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 code | 737-0402 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 2011-07-01 |
|---|
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.
| 2026-10-30 | Mamanose 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 |
|---|---|
| 2026-10-14 | Tanabe 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 |
| 2026-10-06 | Manufacturing of 1 standard body (L-1 type) 標体(L-1型)1基製造 |
| 2026-10-05 | Total 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 |
| 2026-08-21 | Standard 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.
Verify in official sources
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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