Sign in

Private company

Itogumi Construction

Itogumi Construction is a Japanese company based in Sapporo, founded in 1893.1

伊藤組土建株式会社（いとうぐみどけん）は、北海道の建設会社である。2 From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

May 26, 1893Founded1

See how the biggest companies compare on our leaderboards

Corporate structure

Itogumi Construction sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Timeline

  1. May 26, 1893Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2