Overview
Yamaura in Komagane. It handles construction and engineering.
About this place
Yamaura Corporation is a construction company with its head office in Komagane, Nagano Prefecture. It runs a franchise of rental apartments called Brain Mansion. It centers on building and civil engineering, but its predecessor was an ironworks. It made industrial boilers used in silk-reeling factories, silk-reeling machines, steel bridges and more. It still carries out engineering work such as making large machinery and electrical control systems. In construction, its main division, it is good at large buildings such as factories, but takes on work as broad as ordinary housing.
Source: Wikipedia (CC BY-SA 4.0)
Source ja.wikipedia.org ↗Key facts
Field：Construction, engineering
Source pref.nagano.lg.jp ↗Source pref.nagano.lg.jp ↗Official website
Check the official website for current opening hours, fees and closing days.
Source yamaura.co.jp ↗Before you go
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Information checked on: 2026-09-03
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