Bunka Shutter Co., Ltd. engages in the manufacture and sale of shutters and building construction materials. The company is headquartered in Bunkyo-Ku, Tokyo-To and currently employs 5,369 full-time employees. The firm operates in four business segments. The Shutter-related Products segment offers lightweight shutters, heavy shutters, over-sliding doors, panel shutters and window shutters. The Construction Material-related Products segment offers exterior products, cross-cut weatherboardings, doors, partitions and other related products. The Service segment is engaged in maintenance and repair of existing shutters and building materials. The Reform segment is engaged in the renovation of housing.