Sugita Ace Co., Ltd. engages in the sale of architectural hardware and construction-related materials. It operates through the Root and Direct Demand segments. The Root segment handles secondary wholesale of housing and building materials to hardware and construction stores. The Direct Demand segment offers original equipment manufacturing (OEM)-related and Do-It-Yourself (DIY) products to home improvement stores, mail-order companies, and department stores. The company was founded by Saburo Sugita in 1934 and is headquartered in Tokyo, Japan.