Ion Exchange India Ltd.

What Ion Exchange India Ltd. does

Distribution is direct enterprise sales for large infrastructure projects, supported by regional subsidiaries and dedicated websites across 15+ countries spanning APAC (India, Bangladesh, Indonesia, Malaysia, Nepal, Singapore, Sri Lanka, Thailand), Africa (Kenya, South Africa), Europe (Portugal), the Middle East (Saudi Arabia, Oman, UAE), and North America, with the Oman-based Ion Exchange and Company LLC acting as the Middle East execution hub. The customer base is anchored by enterprise industrial and energy clients including Petroleum Development Oman, Rayzon Energy, and INOX Solar, complemented by institutional, residential (ZeroB), and municipal segments, and the company positions itself as Asia's largest comprehensive water and environment management service provider with 24x7 support. FY26 disclosed revenue of Rs 2,914.84 crore grew 6.49% year-on-year but net profit fell 31.35% to Rs 142.67 crore on margin compression, with the share price declining materially in 2026 as the market repriced near-term profitability despite the strong order book.

Name

Ion Exchange India Ltd.

Legal name

Ion Exchange (India) Limited

Website

https://ionindia.com

Company type

Public

Founded year

1964

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Ion Exchange (India) Limited is a publicly listed, 60-year-old Indian water and environment management company providing total water treatment solutions, INDION resins, HYDRAMEM membranes, specialty chemicals, ZLD systems, and consumer purification under the ZeroB brand, serving industrial, institutional, residential, and municipal customers across 15+ countries.

Ownership category

akta.pro rank

Headquarters

HQ city

Mahalaxmi

HQ country

India

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Infrastructure Project Execution: Long-term contracts for design, construction, ownership, operation, and maintenance of water and sewage treatment facilities. Major contracts include the Rs 1,730 crore 20-year contract with Petroleum Development Oman for potable water and sewage treatment facilities in South PDO Concession Area.
2. Water Treatment Equipment and Systems: Sale of water treatment plants, membrane systems, ion exchange systems, and related engineering solutions to industrial, institutional, and municipal customers.
3. Consumables and Spares: Ongoing sales of ion exchange resins, membranes, specialty chemicals, instruments, and replacement parts for installed water treatment systems.
4. Operations and Maintenance Services: Comprehensive O&M services including 24x7 support, rehabilitation and modification, consumables supply, audits and consultancy, and project financing services for water treatment infrastructure.
5. Annual Maintenance Contracts (AMC/ACMC): ZeroB brand provides Annual Maintenance Contract and Annual Comprehensive Maintenance Contract plans for RO, UV, UF, and water softener systems covering residential, commercial, and institutional segments.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Ion Exchange India Ltd. is a total water and environment management solutions company that designs, manufactures, and services water and wastewater treatment systems. The company supplies ion exchange resins (INDION), high-performance membranes (HYDRAMEM), specialty chemicals, instruments and automation (IONSITE Digital Twin), and integrated engineering solutions including zero liquid discharge and waste-to-energy systems for industrial, municipal, institutional, and residential (ZeroB) customers. It complements its products with comprehensive operations and maintenance, rehabilitation, audits and consultancy, project financing, and remote monitoring services across global markets.

Product overview

Ion Exchange India Ltd. is a Total Water and Environment Management Solution company with over 60 years of experience. The company operates a platform-plus-products architecture comprising: (1) Engineering Solutions including water treatment plants, wastewater treatment, zero liquid discharge systems, and waste-to-energy solutions; (2) Core consumable/product lines including HYDRAMEM® membranes, Ion Exchange Resins, Specialty Chemicals, and Instruments & Automation (IONSITE Digital Twin); (3) Consumer brand ZeroB for residential/commercial water purification; and (4) Comprehensive Services including Operations & Maintenance, Remote Monitoring System, Audits & Consultancy, and Project Financing. The portfolio serves Industries, Institutions, Homes, and Communities market segments.

Differentiator

Problem solved

Functional benefit

Brands

• HYDRAMEM: High performance membranes brand for water treatment solutions
• ZeroB

Products and services

• HYDRAMEM Membranes High-performance PVDF ultrafiltration hollow fiber membranes, UltraSKID integrated systems, and Membrane Bioreactor (MBR) solutions for water and wastewater treatment in industrial and municipal applications.
• INDION Ion Exchange Resins Complete range of ion exchange resins for water treatment, process separation, and purification applications across industrial and municipal sectors.
• Specialty Chemicals for Water Treatment Specialty chemical treatment programmes for water and wastewater treatment including cooling tower chemicals, disinfection solutions (INDION CHLOGEN Chlorine Dioxide Generator), and process-specific chemical formulations.
• Water and Environment Engineering Solutions
• IONSITE Digital Twin and Instruments & Automation
• ZeroB Residential and Commercial Water Purification Systems
• Operations & Maintenance Services
• INDION CHLOGEN Chlorine Dioxide Generator

Quantifiable outcome

• India's water sector opportunity estimated at ₹1.7 lakh crore driven by Jal Jeevan Mission, water scarcity, and AI data center demand for cooling systems
• +2 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Three partnerships are on record, tiered flagship, core and minor.

• MANN+HUMMELflagshipTechnology or Integration · 29 April 2026Strategic technology transfer and manufacturing collaboration for advanced PVDF ultrafiltration membranes and Membrane Bioreactor (MBR) solutions. Ion Exchange manufactures, integrates, and commercializes these products at its HYDRAMEM facility in Goa, India. The collaboration combines German engineering expertise with Indian manufacturing capabilities, reducing India's import dependence in water treatment technologies and supporting Make in India and Viksit Bharat 2047 initiatives.
• Petroleum Development OmancoreStrategic or Co-development Partner · 10 February 202620-year contract for design, construction, ownership, operation, and maintenance of potable water and sewage treatment facilities in the South PDO Concession Area. Contract valued at approximately OMR 73.46 million (around Rs 1,730 crore). Ion Exchange's Oman-based subsidiary Ion Exchange and Company LLC secured this significant infrastructure win in the Middle East market.
• Singapore Water EcosystemminorStrategic or Co-development PartnerIon Exchange (India) Ltd is increasingly looking to partner with Singapore's water ecosystem, which has established globally recognized benchmarks in water recycling, reuse, and integrated water management. India's High Commissioner to Singapore urged Indian businesses to study Singapore's water sector innovations at the Singapore International Water Week.

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• SUEZ Water Technologies & Solutions: Global water and waste management company with industrial water treatment and chemicals offerings. Comparable as a broad incumbent in industrial water and ion exchange, with overlapping customer base in process industries.
• Ecolab Inc. Global water, hygiene, and infection prevention company with industrial water treatment chemicals and digital monitoring. Comparable as a broad incumbent in industrial water chemistry and process optimization services.
• Veolia Environnement: Global environmental services giant with major water and wastewater operations. Comparable as a broad incumbent with overlapping water-treatment, O&M, and municipal concession capabilities, though operating at a far larger global scale.
• Larsen & Toubro (Water & Effluent Treatment): Indian conglomerate with a large water and effluent treatment EPC business. Comparable as a broad incumbent in India offering water infrastructure projects and competing for large industrial and municipal water contracts.
• Xylem Inc. Global pure-play water technology company providing pumps, treatment, and smart metering. Comparable as a broad incumbent offering overlapping water treatment and digital monitoring solutions across municipal and industrial segments.

Direct peers

• Thermax Limited: Indian-listed energy and environment solutions company with a substantial water and wastewater treatment business. Comparable as a domestic peer offering industrial water, ZLD, and EPC solutions to overlapping industrial customers in India.
• Pentair plc: Global water treatment and filtration company serving residential, commercial, and industrial markets. Comparable via overlapping residential water purification (ZeroB) and industrial filtration product lines, including membranes and water softeners.
• VA Tech Wabag: Indian-listed pure-play water and wastewater treatment EPC and O&M company. Directly comparable to Ion Exchange's industrial and municipal water project business, serving similar industrial, municipal, and oil & gas customers across India and emerging markets.
• DuPont Water Solutions: Global provider of water purification and separation technologies, including reverse osmosis and ion exchange membranes/resins. Directly comparable in membrane and ion exchange product categories used in industrial and municipal water treatment.

Emerging players

• Organica Biotech: India-based biotech and wastewater treatment company focused on biological treatment and waste-to-value solutions. Comparable as an emerging player with partial overlap in wastewater and specialty biological treatment offerings.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xtwitter.com/IEI_Ltd
• YouTubeyoutube.com/channel/UCqSuT-yd40I7RZ4p5UXuKbA/videos
• Facebookfacebook.com/IONEXCHANGE
• LinkedInlinkedin.com/company/ion-exchange-india-ltd

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Ion Exchange India Ltd.