Saizeriya Co., Ltd. engages in restaurant business that specializes in Italian cuisine. The company is headquartered in Yoshikawa-Shi, Saitama-Ken and currently employs 4,504 full-time employees. The firm operates in three segments. The Japan segment is engaged in the operation of Italian wine and cafe restaurants under the name Saizeriya, as well as fast food restaurants under the name Spaghetti Mariano. The firm conducts the manufacture and distribution of food ingredients in domestic factories. The Australia segment is engaged in the manufacture of food ingredients. The Asia segment operates restaurants under the name Saizeriya in Shanghai, Guangzhou, Beijing, Hongkong, Singapore.