KOMAIHALTEC Inc. engages in the design and installation of steel bridges, steel framework, and construction machinery. It operates through the following segments: Bridges, Steel Frames, Real Estate and Others. The Bridges segment designs, produces, and assembles bridges; and provides site construction, maintenance, and repair services. The Steel Frames segment designs, manufactures, and builds steel frames and structures; and provides construction work planning, design, supervision, and consulting services. The Real Estate segment covers the leasing of the unused part of the Osaka office. The Others segment includes environmental and printing businesses. The company was founded by Kihei Komai in 1883 and is headquartered in Osaka, Japan.