What Kobelco Eco-Solutions does

Kobelco Eco-Solutions Co., Ltd. (株式会社神鋼環境ソリューション) is a Kobe-headquartered environmental engineering and equipment manufacturing company operating as a wholly-owned subsidiary of Kobe Steel, Ltd. (神戸製鋼所). Founded in 2001 through the merger of three KOBELCO group companies and formerly listed on the Tokyo Stock Exchange (tyo:6299) until its October 2021 delisting, the company designs, manufactures, and constructs water treatment plants (上水・下水・汚泥), municipal waste treatment and gasification-melting facilities, PEM-type high-purity hydrogen generators (HHOG®), and advanced glass-lined process equipment (HybridGL®, Fullzone®, ECOGL®, PPG®). It also holds proprietary intellectual property in algae biotechnology through its Euglena gracilis EOD-1 strain, which produces β-1,3-glucan (paramylon) at over 70% content — though this consumer-facing line was divested to Mikarea Co., Ltd. in April 2026.

The company operates a multi-segment enterprise B2B model: (i) one-time EPC equipment sales and construction contracts for municipal water/waste infrastructure across Japan and Southeast Asia, (ii) hardware sales of HHOG hydrogen electrolyzers (5–100 Nm³/h range, 260+ domestic installations) and HybridGL process equipment to industrial and pharmaceutical customers, and (iii) ongoing maintenance and after-sales services. Distribution combines a six-branch direct sales network (Tokyo, Osaka, Sapporo, Sendai, Fukui, Fukuoka) with channel partnerships through Iwatani Corporation for hydrogen and UHA Mikakuto for consumer biotech products. Customer concentration spans municipal governments (Kobe, Fukui, Fukuoka, Sapporo, and others), industrial hydrogen users (TOTO, Toyota, Murogane Gas), pharmaceutical CDMOs (Peptistar, Otsuka Pharmaceutical Factory), and a Vietnam subsidiary handling 60+ water projects including a 300,000 m³/day Hanoi plant.

Revenue is generated primarily from large-scale infrastructure project awards backed by Japan Sewerage Agency New Technology certifications, recurring maintenance revenue from the installed base, and licensing/IP arrangements (e.g., Euglena-derived functional ingredients). The company expanded to a Düsseldorf engineering office in April 2025 and entered a strategic partnership with Mitsubishi Electric for the water/sewage business in April 2026, while simultaneously pruning non-core operations (Nagoya branch closure December 2025; algae food divestiture April 2026) and executing leadership transitions in 2025–2026. Post-delisting, the company no longer publishes consolidated financial disclosures.

Name

Kobelco Eco-Solutions

Legal name

株式会社神鋼環境ソリューション

Website

https://kobelco-eco.co.jp

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Kobelco Eco-Solutions is a Kobe-based environmental equipment manufacturer and wholly-owned Kobe Steel subsidiary that designs and builds municipal water and waste treatment plants, PEM hydrogen generators (HHOG®), and proprietary HybridGL® glass-lined process equipment for Japanese municipalities, industrial hydrogen users, and pharmaceutical manufacturers.

Ownership category

akta.pro rank

Product category

Environmental Equipment Manufacturing

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)

akta.pro primary industry

Water & Wastewater Treatment Plant Equipment (Clarifiers, Aeration, Membrane Systems) (IMAHAEAJ)

Keywords

• Water treatment equipment
• Waste treatment systems
• Hydrogen generation systems
• Environmental engineering solutions
• Glass-lined equipment

Headquarters

HQ city

Hakata

HQ country

Japan

HQ region

Asia

Offices15 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Technology or R&D, Operations

Revenue model

1. Water Treatment Equipment Sales & Construction: Design, manufacturing, and construction of water treatment plants for municipalities and industrial clients. Includes drinking water (上水), sewage (下水), and industrial water treatment systems. Revenue from both equipment sales and EPC (engineering, procurement, construction) services.
2. Waste Treatment Equipment Sales & Construction: Manufacturing and construction of waste incineration facilities, gasification melting furnaces, and recycling centers for municipal waste management.
3. HHOG Hydrogen Generation Equipment: Sales of water electrolyzers (HHOG series) for industrial hydrogen supply, fuel cell stations, and renewable energy applications. Equipment ranges from compact 5Nm3/h to large-scale 100Nm3/h units.
4. Glass-Lined Process Equipment: Manufacturing and sales of glass-lined reactors, mixing equipment, and process machinery for pharmaceutical, chemical, and food industries. Includes HybridGL series with proprietary multi-functional glass linings.
5. Golden Euglena (金のユーグレナ) Product Sales: Sales of Euglena-derived materials and health food products containing proprietary paramylon EOD-1. Products include dietary supplements, functional foods, and raw material sales to food manufacturers.
6. Maintenance & After-Sales Services: Ongoing maintenance services for installed equipment, including water treatment maintenance, hydrogen equipment servicing, and spare parts supply.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels6 records

Core offering

Kobelco Eco-Solutions manufactures and supplies environmental and chemical process equipment, including water and wastewater treatment systems, waste treatment systems, hydrogen generation systems using proprietary PEM water electrolysis (HHOG), glass-lined equipment for chemical and pharmaceutical manufacturers, and Golden Euglena microalgae-based products. The company delivers engineered plants and equipment to municipal utilities and industrial customers in Japan and internationally.

Product overview

Kobelco Eco-Solutions is an environmental solutions company providing integrated systems across water treatment, waste treatment, hydrogen generation, and functional food ingredients. The core product portfolio includes HHOG water electrolysis hydrogen generators (PEM technology, 260+ installations), HybridGL advanced glass-lining products for process equipment, comprehensive water and sewage treatment systems, and waste incineration/resource recovery facilities. The company also operates in the algae biotechnology space with 金のユーグレナ functional food ingredients (70%+ paramylon content), and develops AI-enabled automation technologies for waste treatment plant operations including crane automation, infrared camera monitoring, and predictive control systems.

Differentiator

Problem solved

Functional benefit

Brands

• 金のユーグレナ® (Gold Euglena): Proprietary Euglena gracilis EOD-1 strain cultivated without photosynthesis, with paramylon content exceeding 70%. Marketed as a functional food ingredient with immune, fatigue-reduction, and metabolic benefits.
• パラミロンEOD-1® (Paramylon EOD-1)
• HHOG®
• HybridGL®
• H2BOX®
• Carbonel™
• OSF (Open-type Siphon Filter)
• PABIO TUBE®
• PABIO Mix®
• RHEOFREED®
• Swingstar®
• Fullzone®
• ECOGL®
• PPG®
• HYX-HE95®

Products and services

• Water and wastewater treatment systems Engineered water and wastewater treatment plants and equipment for municipal utilities and industrial customers, providing purification and discharge compliance.
• Waste treatment systems Industrial and municipal waste treatment systems for solid, liquid, and hazardous waste streams, designed for regulatory compliance and resource recovery.
• HHOG hydrogen generation systems On-site hydrogen generation systems using proprietary Proton Exchange Membrane (PEM) water electrolysis, targeting industrial and energy customers seeking decarbonization and clean hydrogen supply.
• Glass-lined equipment Corrosion-resistant glass-lined reactors, vessels, and process equipment for chemical and pharmaceutical manufacturers handling aggressive acids and solvents.
• Golden Euglena products Microalgae (Euglena) based products and related cultivation/processing systems for food, feed, and bio applications.

Quantifiable outcome

• 99.999% hydrogen purity produced by HHOG system
• +4 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability4 records

Feature7 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• Mitsubishi Electric CorporationcoreStrategic or Co-development Partner · 9 April 2026Strategic partnership agreement for water and sewage business operations. The partnership aims to leverage both companies' technologies and expertise to advance water infrastructure solutions, combining Kobelco's environmental technology with Mitsubishi Electric's automation and digitalization capabilities.
• VTT Technical Research Centre of FinlandminorStrategic or Co-development Partner · 14 March 2025Cooperation in development of novel environmental technology announced in March 2025. Partnership for joint R&D in environmental technology solutions.
• Peptistar Co., Ltd.coreStrategic or Co-development PartnerJoint development partnership for peptide and nucleic acid CDMO equipment. Co-exhibited at Interphex Week Tokyo 2024 showcasing RHEOFREED agitated freeze dryer and SMCR continuous manufacturing equipment. Collaborative development of pharmaceutical manufacturing equipment.
• Iwatani CorporationcoreChannel Partner/ Reseller/ DistributorDistribution partnership for HHOG hydrogen generation equipment. Iwatani acts as intermediary supplying Kobelco HHOG systems to industrial customers including Toyota Motor Corporation's fuel cell forklift operations.
• UHA Mikakuto Co., Ltd.coreChannel Partner/ Reseller/ DistributorLicensing and product development partnership for Golden Euglena (金のユーグレナ) materials. UHA Mikakuto develops and sells consumer products including e-ma throat lozenges and Ninja Meshi food series using Kobelco's proprietary Euglena ingredients.
• Hong River Surface Water Joint Stock Company (HRSW)coreStrategic or Co-development PartnerJoint venture partnership for water treatment plant construction in Hanoi, Vietnam. HRSW (Thanh Long Group and HAWACO joint venture) awarded 300,000 m3/day water treatment plant to Kobelco and KESV.
• Murogane Gas Co., Ltd.coreStrategic or Co-development PartnerPartner in hydrogen supply chain demonstration project in Muroran, Hokkaido. Murogane Gas leads the Ministry of Environment project for low-pressure hydrogen delivery using existing gas infrastructure, utilizing Kobelco HHOG equipment.
• Mizuho Research & TechnologiesminorImplementation/ SI/ Consulting PartnerTechnical collaboration for hydrogen technology development and implementation support.
• Otsuka Pharmaceutical FactoryminorChannel Partner/ Reseller/ DistributorPharmaceutical equipment customer for glass-lined reactors and process equipment.
• National and International Academic InstitutionsminorStrategic or Co-development PartnerVarious research partnerships including: Kyoto University, Tohoku University, Okayama University, University of Fukui, Osaka University, Tokyo University of Science for R&D in euglena/health, water treatment, waste management, and hydrogen technology.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Organo Corporation: Japanese specialty water treatment company providing pure water systems, wastewater treatment, and process equipment for industrial and municipal customers. Directly competes with Kobelco Eco-Solutions in municipal water and industrial process water treatment.
• Nel ASA: Norwegian hydrogen company providing PEM and alkaline electrolyzers for industrial hydrogen production. Closely comparable to Kobelco Eco-Solutions' HHOG hydrogen generation equipment product line.
• De Nora: Italian electrode and water electrolysis company specializing in electrochemical technologies including hydrogen production via electrolysis. Directly comparable to Kobelco's HHOG PEM water electrolyzer business.
• Kurita Water Industries: Japan's largest industrial water treatment company with broad offerings in ultrapure water, wastewater recycling, and chemical solutions. Comparable to Kobelco's water treatment equipment business for industrial and municipal clients.

Emerging players

• Toray Industries: Japanese diversified materials company with significant water treatment membrane business (Toray Membrane). Comparable to Kobelco's membrane filtration and water treatment technology, particularly for industrial and municipal applications.

Broad incumbents

• Ebara Corporation: Major Japanese industrial machinery manufacturer with significant pumps, turbines, and environmental equipment businesses. Competes with Kobelco in water/wastewater treatment plants and broader process equipment markets.
• Veolia Environnement: Global water, waste, and energy services giant operating municipal water utilities and providing environmental equipment worldwide. Comparable to Kobelco's municipal water/waste treatment equipment business but with much larger global footprint.
• Suez Water Technologies: Global water treatment and waste management company with strong industrial process water and municipal utility operations. Comparable to Kobelco's integrated water and waste treatment equipment offering but at a much larger scale.
• Mitsubishi Electric: Diversified Japanese conglomerate with industrial automation, water/sewage systems, and infrastructure businesses. Now a strategic partner to Kobelco Eco-Solutions but also overlaps in water/sewage treatment equipment and control systems.
• Hitachi Industrial: Japanese conglomerate providing water treatment plants, sewage systems, and infrastructure solutions through Hitachi Industrial Holdings. Competes with Kobelco in municipal water/sewage EPC and broader environmental infrastructure.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/KobelcoEcoSolutions
• LinkedInlinkedin.com/company/kobelco-eco-solutions-co-ltd

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Kobelco Eco-Solutions