The Southeast Asia Water Treatment Chemicals and Additives Market was valued at USD 3.2 Billion in 2024 and is projected to reach USD 4.8 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.9% during the forecast period (2024–2030). This robust growth is primarily driven by rapid industrialization, increasing urbanization, stringent government regulations on water quality, and the urgent need for sustainable water management solutions across the region’s diverse economies.

As nations from Indonesia to Vietnam grapple with water scarcity and pollution challenges, the demand for advanced water treatment solutions has never been higher. In this blog, we profile the Top 10 Companies in the Southeast Asia Water Treatment Chemicals and Additives Industry—a combination of global chemical giants, regional specialists, and technology innovators who are defining the future of water security.

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🔟 1. Kemira Oyj

Headquarters: Helsinki, Finland
Key Offering: Coagulants, Flocculants, Biocides, Scale & Corrosion Inhibitors

Kemira is a global leader in water chemistry, with a significant and growing presence in Southeast Asia. The company provides a comprehensive portfolio of chemicals and polymers for municipal and industrial water treatment, including pulp & paper, oil & gas, and mining sectors. Their expertise in coagulation and flocculation is particularly critical for treating the region’s often challenging surface water sources.

Sustainability Initiatives:

• Development of bio-based and biodegradable polymers

• Focus on reducing the environmental footprint of water treatment processes

• Commitment to carbon-neutral production by 2045

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9️⃣ 2. Ecolab Inc.

Headquarters: St. Paul, Minnesota, USA
Key Offering: Nalco Water water treatment solutions, biocides, corrosion inhibitors

Ecolab, through its Nalco Water division, is a powerhouse in the water treatment industry. They offer integrated water, hygiene, and infection prevention solutions. In Southeast Asia, Ecolab serves a vast array of industries, including food and beverage, healthcare, hospitality, and manufacturing, helping clients reduce water usage and improve operational efficiency.

Sustainability Initiatives:

• 3D TRASAR™ technology for real-time water management and conservation

• Ambitious goals to help clients save 300 billion gallons of water annually by 2030

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8️⃣ 3. Solvay S.A.

Headquarters: Brussels, Belgium
Key Offering: Hydrogen Peroxide, Coagulants, Flocculants, Specialized Polymers

Solvay is a key supplier of advanced chemicals for water treatment, with its hydrogen peroxide products being essential for disinfection and oxidation processes. The company’s portfolio supports everything from municipal drinking water purification to complex industrial wastewater treatment, aligning with Southeast Asia’s tightening environmental standards.

Sustainability Initiatives:

• Investment in green hydrogen peroxide production technologies

• Solvay One Planet sustainability roadmap targeting reduced water impact

Download FREE Sample Report: Southeast Asia Water Treatment Chemicals and Additives Market – View in Detailed Research Report

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7️⃣ 4. SNF Group

Headquarters: Andrézieux-Bouthéon, France
Key Offering: Polyacrylamides, Flocculants, Coagulant Aids, Superabsorbent Polymers

SNF is one of the world’s largest producers of water-soluble polymers, which are critical for solid-liquid separation processes in water and wastewater treatment. Their extensive product range is vital for treating high-turbidity waters common in tropical Southeast Asia and for managing industrial sludge.

Sustainability Initiatives:

• Development of environmentally friendly flocculants

• Global recycling programs for polymer packaging

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6️⃣ 5. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Coagulants, Scale Inhibitors, Corrosion Inhibitors, Biodispersants

BASF’s performance chemicals division offers a wide spectrum of solutions for the water treatment market. Their products are used in cooling water systems, boiler water treatment, and membrane protection, which are crucial for the region’s expanding power generation and manufacturing sectors.

Sustainability Initiatives:

• Focus on phosphate-free and biodegradable formulations

• Integration of digital tools for optimized chemical dosing and water savings

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5️⃣ 6. Kurita Water Industries Ltd.

Headquarters: Tokyo, Japan
Key Offering: Boiler and Cooling Water Chemicals, Membrane Treatment Agents, Wastewater Treatment Polymers

Kurita is a leading water treatment specialist with a strong foothold in Southeast Asia, leveraging its geographic proximity and deep understanding of Asian markets. The company provides high-value, customized chemical treatment programs and advanced monitoring systems for industrial water cycles.

Sustainability Initiatives:

• Pioneering water recycling and zero-liquid discharge (ZLD) technologies

• Commitment to reducing greenhouse gas emissions across its value chain

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4️⃣ 7. Veolia Water Technologies

Headquarters: Paris, France
Key Offering: Integrated Chemical and Equipment Solutions, Biocides, pH Adjusters

Veolia is a global environmental services giant offering end-to-end water treatment solutions. Their chemical division provides a comprehensive range of products that are often bundled with their engineering expertise for building and operating treatment plants across Southeast Asia’s municipal and industrial sectors.

Sustainability Initiatives:

• Development of circular economy models for water reuse

• Strategic focus on energy-efficient and low-chemical treatment processes

Download FREE Sample Report: Southeast Asia Water Treatment Chemicals and Additives Market – View in Detailed Research Report

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3️⃣ 8. Dow Chemical Company

Headquarters: Midland, Michigan, USA
Key Offering: Ion Exchange Resins, Membrane Antiscalants, Reverse Osmosis Chemicals

Dow is a leading supplier of materials science solutions for water treatment, particularly known for its ion exchange resins and FILMTEC™ reverse osmosis membranes. Their chemicals are essential for protecting delicate desalination and water purification membranes from scaling and fouling, a critical need in coastal and water-stressed areas of Southeast Asia.

Sustainability Initiatives:

• Investment in more durable and efficient membrane technologies

• Commitment to advancing a circular economy for plastics and water

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2️⃣ 9. Buckman

Headquarters: Memphis, Tennessee, USA
Key Offering: Microbiological Control, Corrosion & Scale Inhibition, Process Additives

Buckman specializes in customized chemical solutions for water-intensive industries like pulp & paper, leather, and manufacturing. Their focused approach and technical service team have made them a trusted partner for many industrial clients in the region seeking to improve water efficiency and comply with discharge regulations.

Sustainability Initiatives:

• Application-specific chemistries designed to minimize environmental impact

• Global network of experts providing sustainable water management advice

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1️⃣ 10. Solenis

Headquarters: Wilmington, Delaware, USA
Key Offering: Clarification Polymers, Deposit Control Agents, Defoamers, Biocides

Solenis is a leading global producer of specialty chemicals for water-intensive industries. With a strong focus on paper, oil and gas, and chemical processing, Solenis provides advanced technologies that help customers in Southeast Asia optimize water usage, improve operational efficiency, and meet sustainability targets.

Sustainability Initiatives:

• Portfolio of eco-friendly and biodegradable chemistries

• Data-driven solutions for reducing water and energy consumption

Get Full Report Here: Southeast Asia Water Treatment Chemicals and Additives Market – View in Detailed Research Report

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🌊 Outlook: The Future of Water Treatment in Southeast Asia is Smarter and More Sustainable

The Southeast Asia water treatment chemicals market is undergoing a significant transformation. While conventional chemicals continue to serve as the backbone of water purification, the industry is rapidly embracing digitalization, green chemistry, and circular water models to address the region’s unique challenges.

📈 Key Trends Shaping the Market:

• Rising adoption of green and bio-based chemicals to meet stringent environmental regulations

• Integration of IoT sensors and AI for real-time monitoring and predictive dosing of chemicals

• Growing demand for zero-liquid discharge (ZLD) and minimal liquid discharge (MLD) systems in industry

• Increased public and private investment in municipal water infrastructure across emerging Southeast Asian economies

Get Full Report Here: Southeast Asia Water Treatment Chemicals and Additives Market – View in Detailed Research Report

The companies leading this market are not just supplying chemicals—they are providing the essential tools and technologies for sustainable water stewardship, ensuring economic growth and environmental health go hand in hand across Southeast Asia.