Private company
Nippon Koei
Logo: Kissako92, CC BY-SA 4.0, via Wikimedia Commons3
Japanese engineering consulting firm
ID&E Holdings (formerly Nippon Koei Co., Ltd. (日本工営株式会社)) is a Japanese engineering consulting company, founded on 7 June 7, 1946, and headquartered in Chiyoda, Tokyo, Japan.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
1946Founded1
- HeadquartersChiyoda1
- Websitewww.n-koei.co.jp
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ID&E Holdings (formerly Nippon Koei Co., Ltd. (日本工営株式会社)) is a Japanese engineering consulting company, founded on 7 June 7, 1946, and headquartered in Chiyoda, Tokyo, Japan.2
Timeline
- 1946Founded Founded1
Links
- Websitewww.n-koei.co.jp1
- WikipediaID&E Holdings
- WikidataQ11507991
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataNippon Koei on Wikidata
- 2WikipediaNippon Koei on Wikipedia
- 3Wikimedia CommonsNippon Koei logo by Kissako92, CC BY-SA 4.0
- 4Wikimedia CommonsNippon Koei photo by Kudank, CC BY-SA 4.0