株式会社関海事工業所
Hyogo, Japan
Active| Registration number | T9140001085365 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社関海事工業所 |
| Address | 兵庫県淡路市生穂新島５番地７ 5-7 Ikuhoniijima, Awaji-shi, Hyogo 656-2225, JAPAN |
| Corporate number | 9140001085365 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
| Record last updated | 2025-09-16 |
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 関 勝 |
| Reading (furigana) | セキカイジコウギョウショ |
| Reading (romaji) | Sekikaijikogyosho |
| English name | SEKIKAIJI Industry CO., LTD. |
| English address | 5-7, Ikuhoniijima,Awaji, Hyogo |
| Postal code | 656-2225 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 1966-04-01 |
|---|
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2025-07-04 | Head-office address changed (Japan) (correction) |
|---|---|
| 2025-07-04 | Head-office address changed (Japan) |
Source: daily change files of the NTA Corporate Number Publication Site. Before 2023-08-16 only the latest change is known. All company events →
Government contract awards (GEPS)
No public national-government (GEPS) award records for this company in the open data (FY2013 to date).
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 (2 lines, sheet years 2024–2025; total ¥7.7M).
| 2025 FY2024 | 洋上風力発電の導入拡大に向けた調査・研究開発事業（うち洋上風力発電の導入拡大に向けた研究開発事業） ¥6.2M （経済産業省） 洋上風力発電低コスト施工技術開発を実施。 |
|---|---|
| 2024 FY2023 | 洋上風力発電の導入拡大に向けた調査・研究開発事業（うち洋上風力発電の導入拡大に向けた研究開発事業） ¥1.6M （経済産業省） 洋上風力発電低コスト施工技術開発を実施 |
Contract details (excerpt): 「洋上風力発電低コスト施工技術開発（ウォータージェット式海底ケーブル埋設機施工技術実証）」に係る補助業務 ¥6.2M・随意契約（企画競争） · bidders 2 ／ 洋上風力発電低コスト施工技術開発（ウォータージェット式海底ケーブル埋設機施工技術実証） ¥1.6M・随意契約（企画競争） · bidders 2
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 →
Verify in official sources
How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t9140001085365) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-26.
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