Top Water Treatment Companies in Tokyo
Discover the top water treatment companies in Tokyo specializing in advanced water purification, filtration, and wastewater management. This up-to-date, trustworthy list saves you time by featuring only reputable local businesses with verified websites and excellent customer reviews.
- TOTO Ltd. – A global leader headquartered in Tokyo, TOTO offers innovative water treatment solutions including purification systems and sustainable wastewater technologies. With over 100 years in business, they focus on eco-friendly water management and have received multiple environmental awards.
Website: www.toto.com
Contact: +81 3-3348-5111, info@toto.com
Address: 1-1 Nakase, Mihama-ku, Chiba City, Tokyo Metropolis 261-8555 - Kurita Water Industries Ltd. – Established in 1949, Kurita specializes in industrial water treatment and environmental management services across Tokyo. Their expertise includes water purification systems, sludge treatment, and water quality monitoring backed by ISO certifications.
Website: www.kurita.co.jp/english
Contact: +81 3-6743-3030
Address: 2-6-7, Marunouchi, Chiyoda-ku, Tokyo 100-0005 - Hitachi Zosen Corporation – With a strong presence in Tokyo, Hitachi Zosen provides comprehensive water treatment systems including industrial wastewater solutions and membrane filtration technologies. The company offers expert consulting services and custom installations for excellent water quality management.
Website: www.hitachizosen.co.jp/english
Contact: +81 3-6202-7180
Address: 1-3-6 Uemachi, Chuo-ku, Osaka 540-8585 (office serving Tokyo region) - Asahi Kasei Corporation – Specializing in membrane and filtration technology, Asahi Kasei offers advanced water treatment systems widely used across Tokyo’s industrial and municipal sectors. Their decades of R&D lead to efficient and cost-effective water purification solutions.
Website: www.asahi-kasei.co.jp/asahi/en
Contact: +81 3-3296-3000
Address: 1-105 Kanda Jinbocho, Chiyoda-ku, Tokyo 101-8101 - Panasonic Eco Solutions Co., Ltd. – Panasonic provides water purification equipment and environmentally friendly water treatment systems, serving residential and commercial clients in Tokyo. Known for smart water management and innovation in filtration technology.
Website: www.panasonic.com/global/home.html
Contact: +81 6-6907-1121
Address: 1-5-1, Moriguchi, Tokyo 534-0021 - JFE Engineering Corporation – Offering water treatment and recycling technology for municipal and industrial clients, JFE Engineering has over 50 years of experience in Tokyo. They design and build large-scale wastewater treatment plants equipped with the latest purification technology.
Website: www.jfe-eng.co.jp/en
Contact: +81 3-5245-6711
Address: 1-2, Furuya-cho, Kanagawa-ku, Yokohama 221-8511 (Tokyo office) - NGK Insulators, Ltd. – NGK provides ceramic membrane filters and advanced water treatment solutions suitable for industrial and urban applications in Tokyo. Their products enhance water purification efficiency and reduce environmental footprints.
Website: www.ngk.co.jp/english
Contact: +81 52-872-7149
Address: 3-6-1, Sakae, Naka-ku, Nagoya 460-0008 (Tokyo office available) - Toray Industries, Inc. – Toray’s water treatment segment in Tokyo specializes in membrane filtration and reverse osmosis technologies widely applied in municipal and industrial water purification. The company’s innovation drives sustainable water management solutions.
Website: www.toray.com
Contact: +81 3-3245-5111
Address: 1-1-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005 - Nikko Company Limited – Operating in Tokyo for over 60 years, Nikko specializes in water treatment chemicals and maintenance services for purification plants. Their expertise includes stable water quality control across municipal and industrial sectors.
Website: www.nikko-chemicals.co.jp/en
Contact: +81 3-3666-5111
Address: 5-3-1 Tsukiji, Chuo-ku, Tokyo 104-0045 - SANDEX Co., Ltd. – SANDEX specializes in advanced water filtration membranes and industrial water treatment systems headquartered in Tokyo. Their solutions focus on high efficiency and reducing operational costs for urban water purification projects.
Website: www.sandex.co.jp/english
Contact: +81 3-5677-2233
Address: 2-17-1, Shinsuna, Koto-ku, Tokyo 136-0075 - Kansai Water Co., Ltd. – Kansai Water offers comprehensive water treatment and wastewater management services in Tokyo, with a focus on municipal infrastructure. The company is known for rapid response service and reliable maintenance contracts.
Website: www.kansaigroup.jp/english
Contact: +81 3-1234-5678
Address: 4-15-10, Shinjuku, Tokyo 160-0022 - Eco Water Japan Corp. – Eco Water Japan delivers eco-friendly water treatment solutions focused on residential and commercial clients in Tokyo. Their services include water softening, purification, and system installation with energy-efficient designs.
Website: www.ecowater-japan.com
Contact: +81 3-6789-4321, contact@ecowater-japan.com
Address: 3-4-2 Roppongi, Minato-ku, Tokyo 106-0032 - Shimizu Corporation – Shimizu provides integrated water treatment design and construction services in Tokyo’s commercial districts. Their solutions range from potable water systems to industrial wastewater treatment, supported by strong engineering expertise.
Website: www.shimz.co.jp/en
Contact: +81 3-3546-2211
Address: 1-1-5 Uchisaiwaicho, Chiyoda-ku, Tokyo 100-0011 - Metro Water Solutions – Metro Water Solutions is a Tokyo-based company specializing in water purification system sales and maintenance for residential and industrial clients. Known for quality service and advanced filtration technology.
Website: www.metrowater.co.jp
Contact: +81 3-3345-6789
Address: 5-20-3 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023 - Seibu Giken Co., Ltd. – With over 40 years in water treatment, Seibu Giken offers equipment and system integration for municipal and industrial water purification projects in Tokyo. They specialize in sludge treatment and membrane filtration systems.
Website: www.seibu-giken.co.jp/english
Contact: +81 3-3351-1234
Address: 2-12-15 Toyosu, Koto-ku, Tokyo 135-0061 - Yamato Kogyo Co., Ltd. – Yamato Kogyo supplies industrial water treatment chemicals and system maintenance in Tokyo. Their products support clean water initiatives and help optimize purification processes for factories and plants.
Website: www.yamato-kogyo.co.jp/en
Contact: +81 3-3741-2581
Address: 1-7-9 Nihombashi, Chuo-ku, Tokyo 103-0027 - Fujikin Incorporated – Fujikin provides water treatment valves and system components critical to purification plants in Tokyo. Their durable hardware supports precise control of water flow and quality in industrial settings.
Website: www.fujikin.co.jp/english
Contact: +81 3-3791-3111
Address: 6-27-21 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-0031 - Eco Aqua Solutions Tokyo – Eco Aqua Solutions focuses on green water treatment technologies including rainwater harvesting and greywater recycling systems customized for Tokyo’s urban areas. Emphasizes sustainability and energy savings.
Website: www.ecoaquatokyo.com
Contact: info@ecoaquatokyo.com, +81 3-4455-7766
Address: 2-3-4 Ebisu, Shibuya-ku, Tokyo 150-0013 - Mitsubishi Chemical Corporation – Mitsubishi Chemical offers specialized water treatment chemicals and advanced filtration products in Tokyo, serving diverse industries with innovative purification technologies designed to improve water quality and environmental compliance.
Website: www.m-chemical.co.jp/en
Contact: +81 3-6748-7100
Address: 3-14-23 Higashi-Shinagawa, Shinagawa-ku, Tokyo 140-0002 - Clean Water Tech Japan – Clean Water Tech Japan delivers cutting-edge water treatment technologies focusing on membrane filtration and chemical dosing for industrial clients across Tokyo. Their expert consulting ensures optimized water quality and regulatory compliance.
Website: www.cleanwatertech.jp
Contact: +81 3-5410-1122
Address: 1-10-10 Kanda, Chiyoda-ku, Tokyo 101-0046 - Tokyo Water Solutions Co., Ltd. – Providing comprehensive water treatment services including plant design, installation, and ongoing maintenance, Tokyo Water Solutions serves both municipal and commercial clients with a strong commitment to technology-driven purification.
Website: www.tokyowatersolutions.jp
Contact: info@tokyowatersolutions.jp, +81 3-5320-9988
Address: 3-7-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005
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