Nippon Aqua Co.,Ltd.

Nippon Aqua (1429), established in 2004 and headquartered in Minato-ku, Tokyo, is a company listed on the Tokyo Stock Exchange Prime that operates in the construction industry. The company produces and installs urethane insulation materials for homes and buildings, and has the unique business characteristic of being a subsidiary of the Hinokiya Group, which is a subsidiary of Yamada HD. The main business categories of the disclosed consolidated businesses are 47 detached houses, 29 buildings, 5 waterproofing, 6 raw material sales, and 13 others (as of December 2025). Company profile: Nippon Aqua Co., Ltd. is a Japanese company headquartered in Minato-ku, Tokyo. A construction company that sells insulation materials for homes and buildings using rigid urethane foam. It belongs to the Hinokiya Group, which is affiliated with Yamada Holdings. When understanding the company's business content, it is easier to get a complete picture by looking at the company's main products and services, sales channels, customer base, and domestic and overseas expansion status. In addition to the stability of existing businesses, publicly available company information also provides clues to understanding a company's business, including new products and service expansion, overseas expansion, capital investment, and trends in alliances and M&A.