Business Suspension against 日精株式会社

日精株式会社 (Construction Business Act)
Construction Business ActKantō Regional Development BureauAugust 26, 2025

Action summary

Company
日精株式会社Japanese only
Original: 日精株式会社
Corporate Number: 9010401021610
Governing law
Construction Business Act
建設業法
Action type
Business Suspension
営業停止
Action date
August 26, 2025
Issuing authority
Kantō Regional Development Bureau
関東地方整備局

Violation

Machine-translated summary — verify against original

Nissei Corporation, in cooperation with other businesses, restricted competition in the field of specific underground PS installation construction by determining supply schedulers and enabling them to supply, in order to prevent a decline in supply prices. This conduct contravened the Act against Unjustifiable Premiums and Misleading Representations and violated Article 3 of the Act. On March 24, 2025, the Fair Trade Commission issued an order for corrective measures and a surcharge payment order. This conduct is recognized as corresponding to items 2 and 3 of Paragraph 1, Article 28 of the Construction Business Act.

Show original Japanese text

日精株式会社は他の事業者と共同して、建設業者が発注する、特定地下式PS設置工事について、供給価格の低落防止等を図るため、供給予定者を決定し、供給予定者が供給できるようにすることにより、公共の利益に反して、特定地下式PS設置工事の取引分野における競争を実質的に制限していた。この行為は私的独占の禁止及び公正取引の確保に関する法律第2条第6項に規定する不当な取引制限に該当し、同法第3条の規定に違反するものとして、令和7年3月24日に公正取引委員会から排除措置命令及び課徴金納付命令を受けた。 このことが建設業法第28条第1項第2号及び第3号に該当すると認められる。

Source

Original Kantō Regional Development Bureau announcement (in Japanese)

The original Japanese disclosure is the authoritative record.

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Company info

English name
日精株式会社 Japanese only
Japanese name
日精株式会社
Corporate Number
9010401021610
Registered address
東京都港区西新橋1-18-17

About this recordAggregated and translated from public Japanese government disclosures. The English text is for reference only — authoritative content is the linked Japanese source.