- Business
- Mitani Sekisan Co., Ltd. manufactures and sells concrete secondary products and related materials primarily in Japan. The company produces prestressed concrete piles, PRC piles, SC piles, concrete poles, environmental block products, gravel, and aggregates for civil engineering, railway track ballast, pavement roadbeds, raw concrete, asphalt composites, and construction applications; it also leases wave-dissipating block formwork, provides foundation work, and offers information systems, environmental sanitation, facility management, and business hotel services through its subsidiaries. Founded in 1946 and established in 1956, Mitani Sekisan is headquartered in Fukui City, Fukui Prefecture, with regional offices in Kanto, Kansai, and Hokuriku; branch offices across Sapporo, Tohoku, Tokyo, Hokuriku, Nagoya, Osaka, Shikoku, Hiroshima, and Kyushu; and factories in multiple locations including Sapporo, Ibaraki, Chiba, Kanazu, Shiga, Sakai, Okayama, Kagawa, Kitakyushu, Omuta, and Kagoshima. The company operates through affiliates such as Hokkaido Sekisan, Tohoku Sekisan, Tokyo Sekisan, Chiba Sekisan, Shiga Sekisan, Kagawa Sekisan, Okayama Sekisan, Kitakyushu Sekisan, Omuta Sekisan, Kagoshima Koatsu Sekisan, Mitani Engineering, and others focused on recycling, PC products, and systems integration. In February 2025, its board authorized a share buyback plan, reflecting ongoing capital management strategies amid routine quarterly financial reporting through 2025.