Yamaki Co., Ltd. (TSE: 3598) is a Japan-based apparel manufacturer engaged in the planning, manufacture, and sale of men's and women's shirts, primarily dress shirts and casual clothing; it operates through domestic sales, manufacturing, and overseas sales segments, offering products under brands including LANVIN, LORDSON by CHOYA, CHOYA 1886, CHOYA SHIRT FACTORY, SMC, SHIRT HOUSE, POLO bcs, Port Bridge, ORDER SHIRT, and Swan. The company manages specialty stores and outlet stores; provides logistics services and real estate leasing; and maintains production facilities across Japan in locations such as Nagasaki, Fukushima, Kagoshima, Nagano, and Niigata, as well as overseas in China, Thailand, and Laos. Founded in June 1948 and headquartered at 1-3-1 Uemachi, Chuo-ku, Osaka, Japan, Yamaki employs 1,267 people on a consolidated basis as of March 2025 and generates gross sales of JPY 10.77 billion. Recent developments include the establishment of subsidiary YAMAKI SEWING CO.,LTD. in April 2022 with JPY 70 million capital to oversee garment factories producing up to 80,000 ready-made and custom-made shirts annually at select sites; ongoing global production optimization through factories in Thailand (since 1989), Shanghai (since 1995), and Laos (since 2005); and maintenance of a workforce of 402 at the parent company alongside group-wide operations as of March 2025.