INFRONEER Holdings Inc., together with its subsidiaries, provides infrastructure services in Japan. The company operates through five segments: Building Construction; Civil Engineering; Road Civil Engineering; Machinery; and Infrastructure Management. It provides construction work and related business for r multi-dwelling complexes, factories and logistics centers, bridges and tunnels. The company is also involved in manufacturing and sale of asphalt mixture, and related businesses; providing construction work, including pavement; and sales and rental of construction machinery and related businesses. In addition, it engages in business investment in the development, operation, and maintenance; sale of solar and wind power generation business; and concession business, such as acquisition of operating rights for public infrastructure, etc. The company was incorporated in 2021 and is headquartered in Tokyo, Japan.