山口重工業株式会社
Fukuoka, Japan
Active| Registration number | T4290802024759 |
|---|---|
| Type | Corporation |
| Registered name | 山口重工業株式会社 |
| Address | 福岡県田川郡川崎町大字田原３３６番地の１０ 大字田原336番地の10, Tagawa-gun Kawasaki-machi, Fukuoka, JAPAN |
| Corporate number | 4290802024759 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
The invoice registration date is when the qualified-invoice-issuer registration (T-number) took effect — it is not the date the company was founded, and it resets only if the business re-registers after revocation or expiry.
Corporate registry record
| Entity type | Kabushiki Kaisha (stock company) |
|---|---|
| Reading (furigana) | ヤマグチジュウコウギョウ |
| Reading (romaji) | Yamaguchijukogyo |
| English name (unofficial) | Yamaguchi Heavy Industries |
| Postal code | 105-0022 |
Source: NTA Corporate Number Publication Site, refreshed daily.
Company profile (gBizINFO)
| Business lines | D:建設業 |
|---|---|
| Employees | 56 （male 32 / female 24） |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2024-04-09 | 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/）
Subsidies & grants received (gBizINFO)
1 published award ( → , 1 programme, total ¥78.4M).
| ［第四回］令和２年度事業再構築補助金（交付申請等） ¥78.4M （中小企業庁） |
Source: gBizINFO (METI) subsidy information, refreshed monthly. Amounts as published (grant decisions). Subsidies database →
Licenses, registrations & certifications (gBizINFO)
| 2026-01-14 | Business Continuity Enhancement Plan certification （SME Agency） |
|---|---|
| 2026-03-26 | Management Improvement Plan certification （METI） |
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
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Verifying the invoice number is step one. Our guide covers the full checklist: corporate registry, licenses, and import/export standing.
How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t4290802024759) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-22.
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