Tieron / Targeting
Annual report 2026-06-25
Companies › Japanese listed company

株式会社 オーテック (OTEC CORPORATION)

Tokyo Stock Exchange 1736, Construction. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)
株式会社　オーテック
TICKER
TSE 1736
EDINET CODE
E00304
CORPORATE NUMBER
8010601001272
INDUSTRY
Construction (建設業)
HEAD OFFICE
江東区東陽２－４－２
DISCLOSED FOOTPRINT
11 sites · 8 subsidiaries

Disclosed major customers

Counterparties OTEC CORPORATION named in its own annual securities report. A third-party company named here has OTEC CORPORATION in its supply base.

大成温調株式会社
“大成温調株式会社（仮称）NISEKO H PROPERTIES PROJECT 新築計装工事”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKWY
東洋熱工業株式会社
“東洋熱工業株式会社筑波大学附属病院病棟Ｂ改修計装工事”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKWY
株式会社朝日工業社
“株式会社朝日工業社（仮称）朝日工業社つくば新技術研究所新築計装工事”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKWY
株式会社精研
“株式会社精研協和キリン㈱Ｃ地区倉庫棟建設計装工事（高崎）”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKWY
ダイダン株式会社
“ダイダン株式会社（仮称）苫小牧市民ホール整備運営事業 建設業務計装工事”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKWY
三建設備工業株式会社
“三建設備工業株式会社横浜掖済会病院・えきさい横浜移転新築計装工事”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKWY
三菱電機ビルソリューションズ株式会社
“三菱電機ビルソリューションズ株式会社シーノ大宮東京海上日動ビル 2024年度「大型改修」空調自動制御装置更新計装工事”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKWY
株式会社ヤマト
“株式会社ヤマト府中（６）庁舎空調設備改修機械計装工事”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKWY
株式会社テクノ菱和
“株式会社テクノ菱和市民病院新エネルギーセンター棟改築（空調）計装工事”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKWY
The filing addresses human rights and partially describes human-rights due diligence: “環境、社会、従業員、人権の尊重、腐敗・贈収賄防止、ガバナンス、サイバーセキュリティ、データセキュリティなどに関するリスクについても、適切な把握と評価を行っております。将来的な人権方針への対応検討を取り扱っております。”

Sector risk context: supply-chain risk for Construction & EPC in Japan.

More Construction companies

PENTA-OCEAN CONSTRUCTION CO.,LTD.Phil Company,Inc.PS Construction Co., Ltd.RAITO KOGYO CO., LTD.RAIZNEXT CorporationSAAF Holdings Co., Ltd.SAITA CORPORATIONSANKI ENGINEERING CO.,LTD.
Screening OTEC CORPORATION or mapping suppliers like them? Check any company against sanctions and forced-labor lists, free.Free sanctions check →

Work at OTEC CORPORATION? Claim this page to review the data your customers see.

Get sanctions & UFLPA list updates
A short note when the lists change in ways that matter for supply-chain screening. No noise.
Sources: EDINET code list (Financial Services Agency) and the company’s own annual securities report (有価証券報告書) retrieved via EDINET. Disclosed relationships are quoted from the filing and carry its EDINET accession number; extraction is automated and conservative — anything the filing does not state is left out. Tieron does not certify, audit or endorse the company, and this page contains no Tieron risk assessment. Report an issue with this page — corrections referencing the accession number shown above are fastest to verify.
株式会社 オーテックの取引先・主要顧客 — OTEC CORPORATION suppliers & customers · Tieron