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Company name
Kosyu Saiseki Co., Ltd.
Website
https://koshusaiseki.co.jp/
Start date
1958-03-10
End date
Ticker
Listed market
Country
Japan
Business activities
各種砕石・砂、建築・土木資材の製造・販売
建設廃材のリサイクル
建設発生土の受入
Head office
山梨県大月市初狩町下初狩151
Chief executive
髙橋 英機
Capital
60,000,000 JPY
Employees (non-consolidated)
38 people
Employees (consolidated)
Related companies
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Company name
Group
Parent
Subsidiary
Customer
Supplier
Alliance
Bank
Shareholder
甲州砕石株式会社
Group
太平洋セメントグループ
Group
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News
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National Tax Agency basic information
Data sources
https://koshusaiseki.co.jp/about/
https://koshusaiseki.co.jp/products/
News pages
Own domain
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Last updated
2026-09-21 18:10 (Model: gpt-4.1-nano )