株式会社サイサン
Saitama, Japan
Active| Registration number | T9030001003544 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社サイサン |
| Address | 埼玉県さいたま市大宮区桜木町１丁目１１番地５ 1-11-5 Sakuragicho, Saitama-shi Omiya-ku, Saitama 330-0854, JAPAN |
| Corporate number | 9030001003544 |
| 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 川本 知彦 |
| Reading (furigana) | サイサン |
| Reading (romaji) | Saisan |
| English name | Saisan Co., Ltd. |
| English address | Sakuragi-cho, 1-11-5, Omiya ward, Saitama city, Saitama |
| Postal code | 330-0854 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 1954-09-20 |
|---|
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2025-12-01 | Merger — absorbed another company |
|---|
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)
10 national government awards on record between 2014-09-22 and 2022-03-11.
| 2022-03-11 | 横浜税関（東北地区）３施設において使用する電力供給契約 |
|---|---|
| 2022-03-11 | 横浜税関（関東地区）１０施設において使用する電力供給契約 |
| 2021-03-16 | 液体ヘリウム供給契約一式 |
| 2019-03-13 | 液体ヘリウム供給契約一式 |
| 2018-03-14 | 液体ヘリウム供給契約一式 |
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 (1 lines, sheet years 2024–2024; total ¥5.8M).
| 2024 FY2023 | 質の高いインフラの海外展開に向けた事業実施可能性調査等事業 ¥5.8M （経済産業省） 事業実施可能性（FS）調査 |
|---|
Contract details (excerpt): LPガスに関する調査 ¥3.9M・補助金等交付 · bidders 17 ／ LPガスに関する調査 ¥1.9M・補助金等交付 · bidders 17
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/t9030001003544) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-25.
Reuse and AI use allowed with attribution. AI content licence