List of LIXIL's ISO14001 certified plants（As of March 2021） LIXIL Water Technology Japan 22 sites Chita plant、Chita plant service parts center, Enokido plant, Otani plant, LIXIL Oyama Manufacturing Co., Ltd., Oyama plant, SAGA LIXIL Factory Corporation Kashima plant, Tsukuba plant, Tsukuba plant Chiba manufacturing department, Sapporo plant, Ueno Midori plant, SAGA LIXIL Factory Corporation Saga plant, Handa plant, Onomichi plant, HIKONE LIXIL Factory Corporation Hikone plant, Tokoname east plant, Tokoname east plant Higashiura manufacturing, Iga Ueno plant, Seto plant, Akechi plant, LIXIL Sunwave Factory Corporation Fukaya plant, LIXIL Sunwave Factory Corporation Kiryu plant, LIXIL Sunwave Factory Corporation Yashiro plant, Kani LIXIL Sunwave Factory Corporation Kani plant, Eco Center Tokoname,LIXIL Sanitary Fitting Manufacturing (Suzhou) LIXIL Housing Technology Japan 25 sites Iwai plant, Yokohama LIXIL Factory Corporation Yokohama plant, Yamato LIXIL Factory Corporation Yamato plant, Shimotsuma plant, Shimotsuma plant Kanuma Panel Center, Ichinoseki LIXIL Factory Corporation Ichinoseki plant, Hokkaido LIXIL Factory Corporation Kurisawa plant, Ibuki LIXIL Factory Corporation Ibuki plant, Hisai LIXIL Factory Corporation Hisai plant, Nabari plant, Ishige plant, Okinawa LIXIL Factory Corporation Okinawa plant, Ariake plant, Tsuchiura plant, Shinnikkei Hokuriku Corporation Oyabe plant, Exterior OEM center, Maebashi LIXIL Factory Corporation Kasukawa plant, Maebashi LIXIL Factory Corporation Maebashi plant, Fukushima LIXIL Factory Corporation Sukagawa plant, Kumayama LIXIL Factory Corporation Kumayama plant, Asahi Tostem Exterior Building Materials Co., Ltd. Kashima plant, Asahi Tostem Exterior Building Materials Co., Ltd. Ichinoseki plant, LIXIL Manufacturing (Dalian) Corporation, LIXIL GLOBAL MANUFACTURING VIETNAM, TOSTEM THAI Co., Ltd. LIXIL Asia 13 sites Jiangmen LIXIL AS Sanitary Fitting Manufacturing Co., Ltd, LIXIL AS Sanitary Manufacturing (Shanghai) Co., Ltd, HUA MEI SANITARY WARE Co., Ltd., LIXIL AS Sanitary Manufacturing (Tianjin) Co., Ltd., AMERICAN STANDARD VIETNAM Co., Ltd., PT AMERICAN STANDARD INDONESIA, LIXIL Building Materials Manufacturing (Suzhou) Corporation, LIXIL Vietnam Corporation(Hanoi), Branch of LIXIL Vietnam Corporation in Quang Nam(Da Nang), Branch of LIXIL Vietnam Corporation in BA RIA-VUNG TAU(Saigon), LIXIL(Thailand) Public Co., Ltd.(Rayong), LIXIL(Thailand) Public Co., Ltd.(Ransit) LIXIL Americas 4 sites AS Maquilla Mexico, S. de R.L. de C.V.(Tlaxcala), AS Maquilla Mexico, S. de R.L. de C.V.(Santa Clara), AS Maquilla Mexico, S. de R.L. de C.V.(Aguascalientes), AS Maquilla Mexico, S. de R.L. de C.V.(Monterrey) LIXIL EMENA 5 sites GROHE AG(Hamer), GROHE AG(Lahr), Grohe Portugal Componentes Sanitarios Lda.(Albergaria), Grohe Siam Ltd.(Klaeng), GROHEDAL Sanitarsysteme GmbH(Porta).