長田建設株式会社

On February 11, 2021, at a construction site managed by Nagata Construction Co., Ltd., a worker was killed when blocks fell during stacking work. The company and its employees were issued summary orders by the Kumamoto Summary Court, each fined 200,000 yen for violations of the Industrial Safety and Health Act. The fines were finalized on April 7, 2022. This incident is deemed to fall under Construction Business Act Article 28, Paragraph 1, Item 3. The company was authorized under permit number 熊本県知事許可（般・特－3）第195号, and the violation relates to failure to provide safety education to workers, which contributed to the accident. The Kumamoto Prefecture authorities issued an instruction on April 28, 2022, requiring measures to prevent recurrence, including internal awareness, ongoing training, and strengthening safety management systems.