Otani Kogyo Co., Ltd. manufactures and sells overhead wire hardware, towers, steel structures and studs for power distribution, communication lines and building applications in Japan. The company produces catenary hardware including lightweight cross arms, scaffolding bolts for utility poles, fittings for CATV and disaster prevention radio; power transmission towers, radio towers, substation steel structures, wireless towers for mobile communications, solar panel mounts and steel fences with maintenance services; headed studs for steel and concrete structures such as buildings and bridges; and seismic isolation base plates along with hot-dip galvanizing services. Founded in 1946 and headquartered in Tokyo, it operates through Power and Communications and Building Materials segments, serving electric utilities, telecom firms and construction companies primarily in Japan with 181 employees. Recent developments include the release of its fiscal year ending March 2026 first quarter financial results in August 2025 and the 86th annual shareholders meeting in June 2025.