株式会社シンヨー

Company name

株式会社シンヨー

Website

Start date

1974-06-01

End date

Ticker

Listed market

Country

Japan

Business activities

管工事施工管理

内管工事

給水装置工事

液化石油ガス設備工事

電気工事

下水道排水設備工事

Head office

〒943-0861 新潟県上越市大和2丁目10-1

Chief executive

山口直樹

Capital

Employees (non-consolidated)

Employees (consolidated)

Related companies

Company name

Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder

Relationship graph

News

+ Loaded when opened

National Tax Agency basic information

Data sources

News pages

Own domain

✅

Last updated

2026-09-21 18:13 (Model: ggml-org/gpt-oss-20b )