京葉瓦斯株式会社
Chiba, Japan
Active| Registration number | T8040001026108 |
|---|---|
| Type | Corporation |
| Registered name | 京葉瓦斯株式会社 |
| Address | 千葉県市川市市川南２丁目８番８号 2-8-8 Ichikawaminami, Ichikawa-shi, Chiba 272-0033, JAPAN |
| Corporate number | 8040001026108 |
| 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) |
|---|---|
| Representative | 代表取締役社長 江 口 孝 |
| Reading (furigana) | ケイヨウガス |
| Reading (romaji) | Keiyogasu |
| English name (unofficial) | Keiyo Gas |
| Postal code | 272-0033 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business summary | ・ガス事業 ・ガス副産物の製造、加工及び販売 ・熱供給事業 ・電気供給事業 ・天然ガスの採取及び売買 ・ガス機器・厨房設備機器・給排水設備機器・空調設備機器及び住宅設備機器の製作、販売、賃貸、設置、修理、保守及び管理 （その他） |
|---|---|
| Business lines | F:電気・ガス・熱供給・水道業 |
| Employees | 715 |
| Capital | ¥2.75B |
| Incorporated | 1926-12-26 |
| Website | www.keiyogas.co.jp/ |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Government contract awards (GEPS)
32 national government awards on record between 2014-12-19 and 2026-04-01.
| 2026-04-01 | Gas Used at Kashiwa Training Center, College of Land, Infrastructure, Transport and Touris 国土交通大学校柏研修センターで使用するガス |
|---|---|
| 2026-02-20 | Gas Used at Ministry of Finance Customs Training Institute 財務省税関研修所で使用するガス |
| 2026-02-17 | Gas Procurement (Category 2) ガスの調達（区分２） |
| 2025-04-01 | Gas Used at Kashiwa Training Center, College of Land, Infrastructure, Transport and Touris 国土交通大学校柏研修センターで使用するガス |
| 2025-02-12 | Gas Used at Ministry of Finance Customs Training Institute 財務省税関研修所で使用するガス |
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 2 programmes (3 lines, sheet years 2024–2025; total ¥9.90B).
| 2025 FY2024 | 科学警察研究所 ¥57.5M （警察庁） 電気の供給等の役務を提供 |
|---|---|
| 2024 FY2023 | 電気・ガス価格激変緩和対策等事業 ¥9.79B （経済産業省） 都市ガス料金の値引き |
| 2024 FY2023 | 科学警察研究所 ¥45.6M （警察庁） 電気の供給等の役務を提供 |
Contract details (excerpt): 庁舎等で使用するガスの供給 ¥57.5M・一般競争契約（最低価格） · bidders 1 ／ 都市ガス料金の値引き原資 ¥9.79B・補助金等交付 · bidders 326 ／ ガスの供給料金 ¥45.6M・一般競争契約（最低価格） · 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 →
Licenses, registrations & certifications (gBizINFO)
| 2023-03-27 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
|---|---|
| 2021-04-01 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
| 2019-04-01 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
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
Doing due diligence on this supplier?
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/t8040001026108) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-24.
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