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Kubota Corp.Shin-Etsu Polymer Co., Ltd.Wuhu Xinxing Ductile Iron Pipes Co., Ltd.Vallourec SAAdvanced Drainage Systems, Inc.Zhejiang Zhongcai Pipes Science & Technology Co. Ltd.American Cast Iron Pipe Co.Hebei Xinxing Ductile Iron Pipes Co. Ltd.Supreme Industries Ltd.Huangshi Xinxing Pipes Co., Ltd.Huangshi Xinxing Pipes Co., Ltd.Mercury Plastics LLCSaint-Gobain Construction Products UK Ltd.The Ford Meter Box Co., Inc.North American Pipe Corp.Kuo Toong International Co., Ltd.Prinsco, Inc.Perma-Pipe, Inc.Suns Pipelines Co., Ltd.Walter Coke, Inc.Angang Group Yongtong Ductile Cast Iron Pipe Co. Ltd.Charlotte Pipe & Foundry Co.Jindal SAW Ltd.Pexco LLCElectrosteel Castings Ltd.CANTEX, Inc.VIP-Polymers Ltd.Sekisui KNT (Hebei) Environmental Technology Co., Ltd.HOBAS Engineering + Rohre AGAsahi/America, Inc.
United States Filter Corp.Axine Water Technologies, Inc.Plasson Ltd.Everhard Industries Pty Ltd.WTE Wassertechnik GmbHTSE, Inc.BioIonix, Inc.Fremont Industries, LLCNorthwest Pipe Co.Pure Cycle Corp.Mini-Cam Ltd.
Metso Minerals Industries, Inc.Thomas Dudley Ltd.HUA Dong Teksid Automotive Foundry Co., Ltd.HUA Dong Teksid Automotive Foundry Co., Ltd.Teksid SpASpokane Industries, Inc.Suzhou Chuo Malleable Iron Co., Ltd.Suzhou Chuo Malleable Iron Co., Ltd.Wescast Industries, Inc.Brakes India Pvt Ltd.Neenah Foundry Co.Chuo Malleable Iron Co., Ltd.Suzhou Dongwu Forge Welding Factory Co., Ltd.Anvil International LLCAtkore Steel Components, Inc.Weil-McLain, Inc.Continental Product Engineering Ltd.Dandong Fuding Engineering Machinery Co., Ltd.DaeKwang Cast Iron Co., Ltd.Brillion Iron Works, Inc.Tyler Pipe Co.Glynwed Foundry Products Ltd.MetalTek International, Inc.Waupaca Foundry, Inc.Chamberlin PlcDalton Corp.APT Engineering GmbHAcast AB
Kubota Corp.Hitachi Metals, Ltd.Proterial Ltd.Ryobi Ltd.Wuhu Xinxing Ductile Iron Pipes Co., Ltd.Metso Minerals Industries, Inc.Consolidated Metco, Inc.American Cast Iron Pipe Co.Vinidex Pty Ltd.Hebei Xinxing Ductile Iron Pipes Co. Ltd.Kolbenschmidt Pierburg Shanghai Nonferrous Components Co., LtdKolbenschmidt Pierburg Shanghai Nonferrous Components Co., LtdHuangshi Xinxing Pipes Co., Ltd.Huangshi Xinxing Pipes Co., Ltd.Changzhou Huade Machine Co. Ltd.Gunite EMI Corp.HUA Dong Teksid Automotive Foundry Co., Ltd.HUA Dong Teksid Automotive Foundry Co., Ltd.Xinxing Ductile Iron Pipes Xinjiang Co., Ltd.Xinxing Ductile Iron Pipes Xinjiang Co., Ltd.Anhui Yingliu Electromechanical Co., Ltd.Shandong Huifeng Casting Technology Co., Ltd.Teksid SpAShandong Huifeng Casting Technology Co., Ltd.Anhui Yingliu Electromechanical Co., Ltd.Weifang 100Tong Casting Co., Ltd.Zhangzhou Haili Machinery Co., Ltd.ASIMCO International Casting Co., Ltd. (Shanxi)Wescast Industries, Inc.Laizhou Xinzhongyao Machinery Co. Ltd.
Baoshan Iron & Steel Co., Ltd.Aishida Co., Ltd.Elkem ASACia Roca Radiadores SAAmerican Safety Razor Co.HBIS Group Co., Ltd.Bradken Resources Pty Ltd.Buderus AGNippon Chuzo KKNippon Koshuha Steel Co., Ltd.BALMUDA, Inc.Sun Electric CorpSun Electric CorpKapro Industries Ltd.WKI Holding Co., Inc.Kanto Special Steel Works Ltd.Toyo Denka Kogyo Co., Ltd.American Cast Iron Pipe Co.Romi SAKoehler Manufacturing Co.Thomas Dudley Ltd.Koehler Manufacturing Co.Kolbenschmidt Pierburg Shanghai Nonferrous Components Co., LtdKolbenschmidt Pierburg Shanghai Nonferrous Components Co., LtdChina BaoWu Steel Group Corp. Ltd.Société d'Exploitation Tarrerias BonjeanHUA Dong Teksid Automotive Foundry Co., Ltd.HUA Dong Teksid Automotive Foundry Co., Ltd.SKF Mekan ABAurubis AG
NIPPON STEEL Stainless Steel Corp.Kobe Steel, Ltd.IG Farbenindustrie AGAmerican Can Co.American Can Co.Sumitomo Metal Industries Ltd.Hitachi Metals, Ltd.Hitachi Construction Machinery Co., Ltd.Hitachi Cable Ltd.YKK Corp.YKK Corp.Nissan Chemical Corp.JX Nippon Mining & Metals Corp.Toyo Ink SC Holdings Co. Ltd.Johnson Matthey PlcDaido Steel Co., Ltd.Baoshan Iron & Steel Co., Ltd.Mitsui Mining & Smelting Co., Ltd.Elf Atochem SASintokogio Ltd.Nippon Light Metal Co., Ltd.Kennametal, Inc.Shinko Electric Industries Co., Ltd.Angang Steel Co., Ltd.Shinko Electric Industries Co., Ltd.Tanaka Kikinzoku Kogyo KKCabot Corp.Tanaka Holdings Co. Ltd.Sankyo Aluminum Industry Co., Ltd.Firestone Tire & Rubber Co.
JFE Steel Corp.Ningbo Fotile Kitchenware Co. Ltd.Baoshan Iron & Steel Co., Ltd.Joyoung Co., Ltd.Miele & Cie. KGSichuan Changhong Electric Co., Ltd.Sichuan Changhong Electric Co., Ltd.Angang Steel Co., Ltd.SMS group GmbHWuhan Iron & Steel Co., Ltd.Hangzhou Robam Appliances Co., Ltd.United States Steel Corp.thyssenkrupp Steel Europe AGKonka Group Co., Ltd.Ryobi Ltd.Maanshan Iron & Steel Co., Ltd.Bull SAJFE Engineering Corp.Shandong Iron & Steel Co., Ltd.Novelis, Inc.Nanjing Iron & Steel Co., Ltd.Wuhan Iron & Steel Group Corp.Sanyo Special Steel Co., Ltd.Xinxing Ductile Iron Pipes Co., Ltd.Rowenta Werke GmbHSunbeam Products, Inc.Tata Steel Ltd.Aucma Co., Ltd.Vale SANucor Corp.