STO Co., Ltd. engages in the sale of men and women's apparel and accessories, and home furniture. It operates through STCO and Non-STCO business divisions. The STCO business division offers men's shirts, ties, casual wear, and semi-casual suits under the brands of STCO, VINO and DIEMS, and women's casual clothing under the brand of DIEMS LADY. The Non-STCO business division provides furniture and interior decoration products such as bookshelves, chairs, couches, picture frames, clocks, coffee tables, and rugs under the brand name known as Room. The company was founded on February 22, 2003 and is headquartered in Seoul, South Korea.