Yamaki Co., Ltd. engages in the planning, manufacture and sale of men's and women's shirts. It also manages specialty and outlet stores, and leases buildings. It operates through the following segments: Domestic Sales, Manufacturing, and Overseas Sales. The Domestic Sales segment sells and distributes dress shirts, casual wear, and ladies shirts within Japan; and leases real estate. The Manufacturing segment produces dress shirts. The Overseas Sales segment sells casual wear and dress shirts outside of Japan. The company was founded by Takeo Miyamoto in July 1946 and is headquartered in Osaka, Japan.