This article showcases our top picks for the best Japan based Water companies. These startups and companies are taking a variety of approaches to innovating the Water industry, but are all exceptional companies well worth a follow.
We tried to pick companies across the size spectrum from cutting edge startups to established brands.
We selected these startups and companies for exceptional performance in one of these categories:
- Innovation
- Innovative ideas
- Innovative route to market
- Innovative product
- Growth
- Exceptional growth
- Exceptional growth strategy
- Management
- Societal impact
Top Japan Water Startups
Data sourced from Crunchbase and SemRush.
Aqua Fusion
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Aqua Fusion regenerates fisheries through technology and manufactures and sells marine audio equipment.
Ecoloblue JAPAN
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EcoloBlue creates delicious drinking water from the moisture in the air.
WOTA
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WOTA makes enormous efforts and responsibilities for human life.
NAC
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NAC engages in delivery-related businesses such as home delivery and Duskin, and residential-related businesses.
Suwa wide comprehensive information center
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Suwa wide comprehensive information center provides services related to resident administration, water and sewage, long-term care insurance.
Nippon Water Tex
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Nippon Water Tex specializes in all water supply business operations including meter reading, fee collection, and related operations.
Aquas
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Aquas offers plant engineering, aqueduct, wastewater, boiler, steel, paper pulp, hot and cooling water treatment services.
Water Reuse Promotion Center
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Water Reuse Promotion Center is a water recycling service provider.
Hashimoto Sangyo
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Hashimoto Sangyo is a specialised trading company dealing in pumps, air conditioners, pipes, and other water and air-related products.
CosmoData
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CosmoData is a data entry services and water home delivery services company.
RYOKI KOGYO
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RYOKI KOGYO manufactures and designs air conditioning, water supply, drainage sanitary, and disaster prevention equipment.
Kinki Community Development Center
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Kinki Community Development Center offers river relations, river patrol support, and water quality services.
CK Metal
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CK Metal specializes in the production and sales of cast iron fittings, resin piping systems, pre-sealed products, and plumbing equipment.
Yokohama Water
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Yokohama Water is responsible for the maintenance & service of water storage, sewerage, municipal water supply, and water infrastructures.
JME
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JME offers water maintenance, and management, survey analysis, and construction services.
Kyusetsu AQUA
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Kyusetsu AQUA offers water supply facility maintenance, collection, and transportation of general and industrial waste and other services.
Ebara Jitsugyo
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Ebara Jitsugyo is a water and sewage treatment equipment manufacturing company.
Chuetsu Bussan
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Chuetsu Bussan is a manufacturer and seller of water treatment chemicals and PS charcoal.
Japan Federation of Industrial Waste Management and Recycling Associations
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Japan Federation of Industrial Waste Management and Recycling Associations disposes of industrial water to preserve the living environment.
Kanatsu Giken Kogyo
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Kanatsu Giken Kogyo is a company that operates a comprehensive construction industry & a comprehensive water treatment business.
DK Corporation
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DK Corporation offers charge collection, system development and operation, and water supply management services.
And Water
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And Water focuses on the development and manufacture of non-bottled water server.
J Water
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J Water is a food, drinking water, soft drinks in the development, manufacture, delivery water services.
NIHON SUIKO SEKKEI
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NIHON SUIKO SEKKEI provides waterworks, sewage works, river engineering, and solid waste management solutions.
FUJI SUBSURFACE INFORMATION
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FUJI SUBSURFACE INFORMATION provides janitorial and other water-related services.
Taki Chemical
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Taki Chemical is a water treatment chemicals company.
PC Technology Research Institute
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PC Technology Research Institute manufactures and sells automatic dishwasher & water heater equipment.
Japan Federation of Johkasou Associations
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Japan Federation of Johkasou Associations is promoting the dissemination and awareness of septic tanks for improvement of public health.
Kyowakiden Industry Co.
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Kyowakiden Industry Co. offers fabrication, on-site installation and operation in water treatment and electrical energy.
MICRO DATA
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MICRO DATA specializes in developing software products for power generation and water treatment plant fields.
Kuraray Aqua
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Kuraray Aqua is a company that focuses Sales of water treatment materials and equipment in Japan.
Maezawa Kasei Industries
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Maezawa Kasei Industries engages in the production of water and sewerage related products.
Kawato TPC
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Kawato TPC is planning and manufacturing hot water supply and water supply prefabricated units for condominiums, and apartments.
WakiDengyoShokai
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WakiDengyoShokai engages in the information system, contract development, and consulting business.
KEC
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KEC specializes in inspection, maintenance and management of electricity, water and transportation equipment.
System Integration Technics
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System Integration Technics is developing software products for water treatment, insurance, social infrastructure and IoT sectors.
Asano Taiseikiso
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Asano Taiseikiso supports economic development.
KAWAI SAKUSEN KOGYO
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KAWAI SAKUSEN KOGYO engages in construction and well drilling work.
riaruta-soryu-syonzu
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riaruta-soryu-syonzu offers sales and maintenance of the water heater.
Fuji System
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Fuji System develops and sales condensed water removal devices and condensers.
biomic
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Biomic provides environmental business solutions such as a water purification system that applies microbial purification.
TOKYO ENGINEERING CONSULTANTS
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TOKYO ENGINEERING CONSULTANTS offers water supply, sewerage survey, and construction services.
DMW
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DMW is a manufacturer and seller of wind and water equipment.
RB CO
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RB CO develop and manufacture water heater systems.
Multi-function Filter
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Multi-function Filter provides technical proposals and technical management from survey to design to construction and maintenance.
Ryokusui Kogyo Co.
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Ryokusui Kogyo Co. provides operation and maintenance of sewage treatment plants and pumping stations.
Yokota Manufacturing
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Yokota Manufacturing is a fluid control solutions company that solves various problems & meets its customers’ water & liquid handling needs.
ABICE
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ABICE provides quality water treatment solutions to customers with different types of processes.
Kushida Industry
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Kushida Industry specializes in the construction of electricity, air conditioning, water supply, drainage, and sewage equipment.
Kahokugata Lake Institute
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Kahokugata Lake Institute is an organization that conducts research activities and practices to create a vibrant and sustainable community.
Mother Water
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Mother Water manufactures water & beverages with original labels on a contract basis for office-use private brand products at retail stores.
MARSIMA AQUA SYSTEM
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MARSIMA AQUA SYSTEM manufactures dams and river locks, dust removal equipment, and water treatment equipment.
Japan Water Works Association
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JWWA provides high-quality water supply services as well as safe and stable water supply services.
SHINKANSAI LINEN
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SHINKANSAI LINEN offers bedding lease, uniform rental, and cleaning services.
Kinpai
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Kinpai offers gas work, gas equipment construction, water supply, solar power, and civil engineering services.
Japan Water Agency
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Japan Water Agency is a government organization constructing and managing facilities such as dams and waterways.
Tokyo Water
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Tokyo Water offers pipeline facility, water purification facility and technical operation services.
Saitama Water Service
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Saitama Water Service specializes in developing software products for waterworks-related businesses.
itech
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itech develops a CAD system for water supply companies.
Freeways Network
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Freeways Network is providing civil engineering, communication equipment selling, internet and water supply services.
Pearl tone
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Pearl tone is a chemical company that offers water-repellent and antifouling treatment solutions based on modern technology.
Mizube Soken
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Mizube Research Institute will take action to solve problems and provide the driving force for waterside attractiveness creation projects.
SHIN KOCHI JYUKO
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SHIN KOCHI JYUKO constructs ships, production, and repair marine products.
Maezawa Engineering Service
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Maezawa Engineering Service is dedicated to water quality management related services.
Kobelco Material Copper Tube
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Kobelco Material Copper Tube is a manufacturing copper pipes for air conditioning.
Maezawa Kyuso Industries
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Maezawa Kyuso Industries is a water supply equipment manufacturing company.
Maezawa Industries
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Maezawa Industries is a water supply equipment manufacturing company.
Suido Kiko Kaisha
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Suido Kiko Kaisha is a construction & engineering company that engages in the engineering and construction of water treatment systems.
Sekkeisya
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Sekkeisya engages in the water supply and sewerage business.
Maruei
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Maruei is a gas, water, and real estate business company.
E-Smile
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E-Smile offers water damage repairing, housing business, real estate brokerage/sales, remodeling, and housing equipment maintenance.
New Medican Tech
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New Medican Tech develops water purifying systems and solutions.
Enagic International
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Enagic International is a manufacturing company of alkaline ionizers and water filtration machines.
SUGATEC
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SUGATEC is a production of metal, steel, and hydraulic control equipment.
Premium Water
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Premium Water is a manufacturer and seller of natural mineral water.
nanoFreaks
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nanoFreaks builds a rescue system on the sea, creating an environment where everyone can live with peace of mind.
Osaka Water Supply Authority
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Osaka Water Supply Authority is a manufacturer of water supply equipment.
AQUA SOFT
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AQUA SOFT specializes in developing cost estimation software products for water, electronics, and construction industries.
Original Engineering Consultants
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Original Engineering Consultants is an engineering consultancy firm that develops its business in water supply, and solid waste treatment.
Sewerage Business Management Centre
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Sewerage Business Management Centre is contributing to an improvement in the preservation of water quality.
Japan Fire-fighting Equipments Manufactures’ Association
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Japan Fire-fighting Equipments Manufactures’ Association provides information about fire hydrants and water discharge equipment.
FRICS
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FRICS focuses on collecting, processing, and disseminating information on rivers, basins, and related fields.
Kyosei
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Kyosei is a manufacturing company that produces gas piping, steel valves, governors, and water plumbing products.
Swing Engineering
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Swing Engineering provides water-related engineering solutions, water purification, and construction services.
Water Agency
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Water Agency is dedicated to water management services.
Nikka Maintenance
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Nikka Maintenance provides water treatment solutions.
Tohzai Chemical Industry
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Tohzai Chemical Industry provides water treatment chemicals and equipment sales solutions.
WEC
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WEC conducts research and technological development related to the conservation of the environment of dam water sources.
MIZOTA
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MIZOTA is a water engineering company that designs, manufactures, and installs ironworks, waterworks, and environmental water systems.
Brooks
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Brooks is providing business operation consultancy, web development, language translation, and drinking water selling services.
Nagaoka International Corporation
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Nagaoka international co is a Japan-based company mainly engaged in the water-related business & the energy-related business.
AKIRA
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AKIRA specializes in environmental management consulting and services.
Nippon Air Conditioning Services
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Nippon Air Conditioning Services provides construction, air environment measurement, water tank cleaning and quality testing services.
Cosmo Life
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Cosmo Life specializes in manufacturing and delivering a wide spectrum of natural water and humming water solutions.
Murakami Manufacturing
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Murakami Manufacturing offers hydraulic equipment, floodgates, water treatment facilities services.
Daiki Axis
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Daiki Axis provides design, construction, and maintenance of various types of wastewater treatment equipment manufacturing services.
Wetax
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Wetax offers waterproof microphones and speakers with potential in all fields such as medical care, environment, fisheries, and sports.
Shimane Denko
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Shimane Denko is a construction company that offers electrical services, and automatic control systems & engineering services.
Aqualine
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Aqualine provides water supply emergency repair services.
Metawater
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Metawater designs, construes, repairs, maintains, and manages mechanical and electrical equipment for water purification plants.
