HomePage	Sanwa Shutter Corporation No.1 supplier of rolling steel shutter, overhead doors, steel hinge doors and maintenance and repair services in Japan. Address: Shingashi 2-3-5 Itabashi-ku Tokyo, Japan Telephone: +81 3 5998 9111 President: Kazuhiko Kinoshita

HomePage	Showa Front Co., Ltd. A leading manufacturer of facades for stores and other building materials. Address: Uchikanda 1-13-7 Chiyoda-ku Tokyo, Japan Telephone: +81 3 3293 6737 President: Jiro Ichioka

	Okinawa Sanwa Shutter Corporation Manufactures and sells steel building materials such as shutters and doors, and store building materials. Address: Taira 84-1 Tomigusukushi Okinawa, Japan Telephone: +81 98 840 5538 President: Yukinori Watanabe

HomePage	Sanwa Tajima Corporation Manufactures and sells various kinds of stainless steel building products. Address: Ikebukuro 2-77-5 Toshima-ku Tokyo, Japan Telephone: +81 3 5954 5880 President: Mikio Kurusu

	Sanwa Exterior Niigata Plant Co., Ltd. Manufactures various exterior products. Address: Oigashima1397-1 Tsubameshi Niigata, Japan Telephone: +81 256 98 5551 President: Yoshinobu Iijima

HomePage	Venix Co., Ltd. Manufactures various partitions. Address: Kamagata3128 Ranzan-machi Hiki-gun Saitama, Japan Telephone: +81 493 62 6671 President: Sadanori Katsube

HomePage	Showa Kensan Co., Ltd. Manufactures automatic doors for store fronts. Address: Nakano 1453 Oura-machi Oura-gun Gunma, Japan Telephone: +81 276 88 2121 President: Toshihiko Takeyama

HomePage	Tajima Metalwork Co., Ltd. Top brand designing and marketing company of Post boxes. Address: Higashi-Ikebukuro 4-41-24 Toshima-ku Tokyo. Japan Telephone: +81 3 5396 7611 President: Satoru Iritani

	Yoshida Seisakusho Co., Ltd. Manufactures stainless fronts. Address: Nagatoro 168-1 Sakushi Nagano, Japan Telephone: +81 267 68 4860 President: Manabu Fujimoto

HomePage	Suzuka Engineering Co., Ltd. TManufactures automatic machine device for rubber industry. Address: Ogosohigashi 2-1-65 Yokkaichishi Mie, Japan Telephone: +81 59 346 4774 President: Yasuo Yada

	Tajima Metalwork Kansai Co., Ltd. Manufactures stainless products. Address: Fukanoshiro 221-2 Nosaka Sannan-cho Tambashi Hyogo, Japan Telephone: +81 795 77 2870 President: Takayuki Kojima

	Hayashi Kogyo Co., Ltd. Manufactures steel doors. Address: Kitsukogyodanchi 1-20 Konan-ku Niigatashi Niigata, Japan Telephone: +81 25 385 2153 President: Makoto Kumakiri