The Global Microelectronics Ultrapure Water Market was valued at USD 256 Million in 2025 and is projected to reach USD 418 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 6.6% during the forecast period. This robust growth is propelled by the massive global expansion of semiconductor fabrication capacity, the relentless drive towards smaller process nodes below 3nm, and the escalating water purity requirements for advanced manufacturing processes like EUV lithography.

As the semiconductor industry’s foundational enabler, ultrapure water (UPW) must meet extraordinarily stringent specifications to prevent catastrophic yield loss. The spotlight is on the specialized water treatment companies that provide the mission-critical purification systems and services enabling modern chip manufacturing. In this blog, we profile the Top 10 Companies in the Microelectronics Ultrapure Water Industry—a group of global engineering firms and technology specialists shaping the future of semiconductor fabrication.

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🔟 1. Veolia Water Technologies

Headquarters: Paris, France
Key Offering: Full-scope UPW plants, RecyOC™ water recycling, Operation & Maintenance services

Veolia stands as a global leader in water and wastewater treatment for the microelectronics sector. The company designs, builds, and operates some of the world’s most advanced UPW plants, serving leading semiconductor fabs. Their expertise spans the entire water cycle, from initial pretreatment to complex purification and high-efficiency recycling solutions, which are critical for fabs in water-scarce regions.

Technological Initiatives:

• Pioneering closed-loop water systems for near-zero liquid discharge

• Advanced membrane and ion exchange technologies for sub-ppb contaminant removal

• Digital twin technology for predictive maintenance and operational optimization

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9️⃣ 2. Kurita Water Industries Ltd.

Headquarters: Tokyo, Japan
Key Offering: UPW systems, Chemicals, Monitoring & Control systems

Kurita is a dominant force in the Asian semiconductor market, with deep-rooted relationships with major chipmakers in Japan, Taiwan, and South Korea. The company provides integrated solutions that combine state-of-the-art UPW generation equipment with proprietary water treatment chemicals and real-time monitoring systems to ensure consistent water quality.

Technological Initiatives:

• Development of high-recovery reverse osmosis systems to minimize water waste

• Innovative biofouling control agents for membrane protection

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8️⃣ 3. Ecolab Inc.

Headquarters: St. Paul, Minnesota, USA
Key Offering: UPW solutions, Nalco Water management services

Through its Nalco Water division, Ecolab is a key provider of water management services to the semiconductor industry. The company focuses on ensuring water system reliability and efficiency, helping fabs minimize downtime and maintain stringent purity standards. Their on-site service model is integral to the day-to-day operations of many major manufacturing facilities.

Technological Initiatives:

• 3D TRASAR™ technology for real-time water system monitoring and control

• Data-driven analytics for predictive contamination prevention

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7️⃣ 4. Organo Corporation

Headquarters: Tokyo, Japan
Key Offering: Custom UPW systems, Wastewater treatment, Facility operation

Organo specializes in designing and constructing high-purity water systems tailored to the exacting requirements of semiconductor fabs. The company has a strong presence in Japan’s thriving tech sector and has expanded its operations to support global semiconductor projects, emphasizing system reliability and long-term operational support.

Technological Initiatives:

• Advanced electrodeionization (EDI) systems for continuous UPW production

• Compact, modular UPW systems for space-constrained fab layouts

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6️⃣ 5. Ovivo (SKion Water)

Headquarters: Montreal, Canada / Schweinfurt, Germany
Key Offering: UPW and wastewater treatment systems, Membrane technologies

Ovivo, backed by German investment firm SKion Water, provides comprehensive water treatment solutions for the microelectronics industry. The company leverages advanced membrane filtration and purification technologies to deliver UPW that meets the rigorous standards required for advanced semiconductor manufacturing processes.

Technological Initiatives:

• Integrated membrane bioreactor (MBR) systems for wastewater reuse

• Energy-efficient UF/RO systems for sustainable UPW production

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5️⃣ 6. Gradiant Corporation

Headquarters: Boston, Massachusetts, USA
Key Offering: Carrier Gas Extraction® (CGX), RO-OST®, COBRATEC®

Gradiant is an emerging leader in advanced water treatment, bringing innovative technologies to the semiconductor sector. The company’s proprietary solutions are particularly adept at handling challenging waste streams and achieving high water recovery rates, which is increasingly important for sustainable fab operations.

Technological Initiatives:

• Patent-pending Carrier Gas Extraction for high-efficiency desalination

• Focus on reducing water footprint and operational costs for chipmakers

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4️⃣ 7. Nomura Micro Science Co., Ltd.

Headquarters: Yokohama, Japan
Key Offering: UPW systems, Wet process equipment, Cleaning technology

Nomura Micro Science holds a significant position in the Asian market, particularly in Japan and Taiwan. The company’s strength lies in its integrated approach, providing not only UPW systems but also the wet process equipment that uses the purified water, ensuring optimal compatibility and performance throughout the manufacturing line.

Technological Initiatives:

• Development of ultra-clean piping and distribution systems

• Specialized cleaning technologies for wafer surface preparation

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3️⃣ 8. Taiwan Pure Water Technology Co., Ltd.

Headquarters: Hsinchu, Taiwan
Key Offering: UPW systems, Chemical dispensing systems, Maintenance services

As a key local player in Taiwan, one of the world’s semiconductor epicenters, Taiwan Pure Water Technology has built a strong reputation for reliability and technical expertise. The company serves major foundries and OSAT providers, offering tailored solutions that address the specific challenges of high-volume semiconductor manufacturing.

Technological Initiatives:

• Localized service and support for Taiwan’s semiconductor cluster

• Cost-effective UPW solutions for mature node fabs

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2️⃣ 9. Guangdong Tanggu Environmental Technology Co., Ltd.

Headquarters: Guangzhou, China
Key Offering: Water treatment EPC, UPW systems, Zero-liquid discharge solutions

With China’s massive investment in domestic semiconductor capacity, Guangdong Tanggu has emerged as a significant regional player. The company provides engineering, procurement, and construction services for water treatment plants, supporting the rapid expansion of China’s semiconductor manufacturing base with a focus on environmental compliance.

Technological Initiatives:

• Adapting technologies for China’s specific water quality challenges

• Focus on meeting stringent local environmental regulations

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1️⃣ 10. Pentair PLC

Headquarters: London, United Kingdom
Key Offering: Filtration systems, Membrane solutions, Components for UPW

Pentair provides critical components and systems that form the building blocks of UPW plants. While not always the primary contractor for full-scale fab projects, the company’s high-performance filters, membranes, and valves are essential elements in the multi-stage purification processes required for semiconductor-grade water.

Technological Initiatives:

• Advanced ultrafiltration and nanofiltration membrane development

• High-purity fluid handling components resistant to leaching

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🌍 Outlook: The Future of Microelectronics Ultrapure Water is Smarter and More Sustainable

The microelectronics ultrapure water market is undergoing a transformative shift. While traditional multi-stage purification remains fundamental, the industry is investing significantly in digitalization, water recycling, and energy efficiency to meet the dual challenges of advancing technology and environmental responsibility.

📈 Key Trends Shaping the Market:

• Accelerated adoption of IoT and AI for predictive maintenance and quality control

• Regulatory and economic push for 75-95% water recycling rates in new fabs

• Development of purification technologies for angstrom-scale manufacturing

• Chipmaker-water treatment company partnerships for co-developed solutions

Get Full Report Here: Microelectronics Ultrapure Water Market – View in Detailed Research Report

The companies listed above are not only purifying water for microelectronics—they’re enabling the technological advancement that powers our digital world.