ION EXCHANGE
Aerial view of an Ion Exchange integrated water treatment facility beside a coastal reservoir at sunset
About Ion Exchange

Creating a sustainable future for water, environment, and energy

For six decades, Ion Exchange has pioneered ion exchange resins, membrane technologies, and integrated environment solutions, helping industries and communities across the world treat, reuse, and conserve their most critical resource.

1964
Year Established
50+
Countries Served
2,00,000+
Installations Worldwide
6,500+
Employees Globally
Who We Are

A global leader in water & environmental solutions

Ion Exchange is one of the world's leading providers of water and environmental solutions, delivering a comprehensive portfolio across the entire water and wastewater cycle.

Established in 1964 as India's first manufacturer of ion exchange resins, we began with a singular conviction: that clean water and a healthy environment are the foundation of industrial progress.

60+
Years of Expertise
50+
Countries Served
2,00,000+
Product Installations Worldwide
3,000+
Core Industry Projects Worldwide
Engineered systems manufacturing hall, Roorkee, India
Six decades in one line
  1. 1964The Beginning
  2. 1978First Resin Plant
  3. 1985International Expansion
  4. 1997Advanced Water Technologies
  5. Today75 Countries
  6. NextPowering the Future
Our legacy

60 years & beyond

MILESTONES

60+ Years of Innovation
Technology Leadership

An enterprise legacy of custom resin matrices, advanced membrane filtration, and remote system telemetry.

  1. 1964
    A pioneering enterprise is born, 1964

    A pioneering enterprise is born

    Incorporated as a 60% subsidiary of Permutit, UK.

  2. 1965
    First resins made in India, 1965

    First resins made in India

    Pioneered production of world-class ion exchange resins in India; commenced design, engineering and supply of water treatment plants to Indian industry.

  3. 1974
    A nationwide network, 1974

    A nationwide network

    All-India dealer network was set up.

  4. 1976
    R&D recognised by DST, 1976

    R&D recognised by DST

    R&D recognised by the Department of Science & Technology.

  5. 1977
    Listed on the BSE, 1977

    Listed on the BSE

    Listed on the Bombay Stock Exchange, India.

  6. 1978
    Reverse osmosis arrives, 1978

    Reverse osmosis arrives

    The first company in India to introduce the reverse osmosis concept.

  7. 1979
    Ankleshwar comes on stream, 1979

    Ankleshwar comes on stream

    Ion exchange resins manufacturing unit inaugurated at Ankleshwar.

  8. 1982
    Hosur facility opens, 1982

    Hosur facility opens

    New engineering & fabrication facility set up at Hosur.

  9. 1983
    Chemicals at Patancheru, 1983

    Chemicals at Patancheru

    Industrial chemical production starts at Patancheru.

  10. 1985
    Wholly Indian, 1985

    Wholly Indian

    Ion Exchange becomes a wholly owned Indian company after Permutit's divestment.

  11. 1986
    First services division, 1986

    First services division

    Launched the company's first services division.

  12. 1987
    Membranes, made in India, 1987

    Membranes, made in India

    First in India to manufacture reverse osmosis membrane elements, at Halol Kalol.

  13. 1991
    Going international, 1991

    Going international

    Established the international division and started Southeast Asia operations.

  14. 1997
    Built for the world, 1997

    Built for the world

    100% Export Oriented Unit set up at Rabale.

  15. 1998
    ZeroB enters Indian homes, 1998

    ZeroB enters Indian homes

    Consumer product manufacturing starts in Goa under the brand name ZeroB.

  16. 2003
    Polymer plant inaugurated, 2003

    Polymer plant inaugurated

    Polymer plant inaugurated at Patancheru.

  17. 2004
    Bangladesh subsidiary, 2004

    Bangladesh subsidiary

    Ion Exchange's subsidiary set up in Bangladesh.

  18. 2006
    Oman joint venture, 2006

    Oman joint venture

    Joint venture set up in Oman.

  19. 2007
    Manufacturing in the UAE, 2007

    Manufacturing in the UAE

    Manufacturing set up at Hamriyah, UAE.

  20. 2008
    Operations in the USA, 2008

    Operations in the USA

    Started operations in the USA.

  21. 2012
    Into Africa, 2012

    Into Africa

    Joint venture formed in South Africa.

  22. 2013
    Thailand joint venture, 2013

    Thailand joint venture

    Joint venture formed in Thailand.

  23. 2013
    Pharma-grade resins facility, 2013

    Pharma-grade resins facility

    US FDA compliant pharmaceutical grade resins facility set up at Ankleshwar.

  24. 2016
    Bahrain blending plant, 2016

    Bahrain blending plant

    Chemical blending plant set up in Bahrain.

  25. 2016
    Sri Lanka water supply, 2016

    Sri Lanka water supply

    Prestigious integrated water supply project awarded by Sri Lanka's National Water Supply and Drainage Board (NWSDB).

  26. 2017
    HYDRAMEM is born, 2017

    HYDRAMEM is born

    India's first state-of-the-art integrated reverse osmosis membrane manufacturing facility set up in Goa.

  27. 2019
    Next-generation R&D, 2019

    Next-generation R&D

    New R&D centre inaugurated at Patancheru.

  28. 2022
    Listed on the NSE, 2022

    Listed on the NSE

    Listed on the National Stock Exchange.

  29. 2023
    Into Europe, 2023

    Into Europe

    First foray in Europe with MAPRIL.

  30. 2025
    Roha plant, 2025

    Roha plant

    New manufacturing plant at Roha.

Founder & Chairman Emeritus, Late Mr. G. S. Ranganathan

Honouring 100 years of his enduring legacy

Directors

Leadership driving 60+ years of innovation

Our Board of Directors provides strategic vision, governance, and stewardship, guiding Ion Exchange's growth, innovation, and sustainability agenda across more than fifty countries.

Global Presence

Operating across six continents

A worldwide network of offices, manufacturing plants, and project sites keeps our engineering close to the customers and communities we serve.

40+
Countries
22
Subsidiaries & JVs
125+
Service Locations
5,000+
Installed References

Drag the globe to explore the network

Global Footprint

Strategically located to serve customers worldwide.

Manufacturing Excellence

Advanced facilities delivering quality at scale.

Local Presence

Water Solutions tailored to local needs.

Trusted Worldwide

Decades of reliability across industries and geographies.

Global Infrastructure

Global manufacturing facilities

Ankleshwar, Gujarat, Resins Manufacturing: Exports
Site 01 · Ankleshwar
India

Ankleshwar, Gujarat

Resins Manufacturing: Exports

8India
6International
14Global manufacturing facilities & assembly centres
R&D Leadership

Innovating Tomorrow’s
Water Technologies

Six decades of research, innovation and scientific excellence shaping the future of water.

Explore Our Innovation
  • Chemical Centre of Excellence
  • Technology Centre of Excellence
  • Intellectual Asset50+Patents Held
  • Product Portfolio100+Products Developed
  • Steward HeritageSince 1965R&D Excellence
  • Regulatory ApprovalDSIRRecognised R&D Centres
Sustainability

Sustainability is our core business, not a side note

Every solution we build returns water to use, recovers resources, and reduces environmental footprint, for industry, for communities, and for the planet.

Shaping a cleaner, circular future since 1964
Aerial view of an Ion Exchange integrated water facility at golden hour, set within its coastal landscapeIntegrated Water Facility · Goa, India
2.5BL

Water recycled annually

Treated and returned to productive use across industrial and municipal installations every year.

Water treatment facility
40%

Lower process footprint

Average reduction in freshwater intake achieved through reuse and recovery engineering.

Resins & recovery complex
1M+

Communities served

People reached with safe drinking water through community and household solutions.

Water infrastructure at scale
Our Values

The values that guide our decisions

Our values guide every technology we build, every partnership we create, and every environmental challenge we help solve.

Integrity

The highest ethical standards in every engagement, decision, and partnership.

Innovation

Advancing the science of water through relentless research.

Sustainability

Resources conserved and regenerated in everything we build.

Customer Focus

Engineered around the operational realities and outcomes our customers need to succeed.

Safety

People, assets, and environment protected as a non-negotiable foundation.

Excellence

Precision and quality in every product, system, and service we deliver.

Certifications

Certified to global standards

Our manufacturing, design, and quality systems are independently certified to meet globally recognized standards for safety, quality, environmental responsibility, and operational excellence.

ISO 9001
Quality Management
ISO 14001
Environmental Management
ISO 45001
Occupational Health & Safety
NSF
Water Standards
CE
Conformity
WQA
Water Quality
Awards & Recognition

A legacy of excellence, recognised across decades

From India's first ion exchange resin plant to global recognition in water stewardship and sustainability, explore the milestones that reflect six decades of innovation and expertise.

Era 07 · 2020–Today

The Sustainability Era

The current decade’s honours centre on what the company was founded for: sustainability, safe water reuse, and environmental stewardship.

25+Honours this decade
10+Awarding institutions
2024

Sustainability Initiative of the Year

UBS Forums · Net Zero Summit & Awards

National winner for sustainability initiative of the year, recognising measurable progress toward net-zero operations.

Sustainability
Further Honours
2021Water Sustainability Award: Wastewater Treatment & Safe ReuseTERI · IWA · UNDP
2023ESG Visionary of the Year: Mr. Rajesh SharmaESG Summit & Awards · Transformance
2023Best Water CompanyWater Digest
2023Excellence in Safety Training & EducationNational Level OSH India Award
2022Best Membrane ManufacturerWater Digest
2022Mahatma Award: Social Good & Impact, HRMahatma Awards
2021Best Practice in Employee WellbeingNational Ability Award
Partner With Us

Let's engineer your water and environment future, together

From a single plant to a nationwide programme, our engineers are ready to design, build, and operate the solution your operations demand.