The reverse osmosis (RO) plant construction industry concentrates on designing, constructing, and maintaining systems that desalinate or purify water. These companies cater to a multitude of sectors, such as manufacturing, food & beverage, chemical production, and residential use, providing custom-made solutions for high-quality water production. Their services often extend to wastewater treatment and odor control solutions. In the era of rapidly depleting freshwater resources, this industry is likely to measure significant growth by focusing on sustainable and efficient technologies.


Top 25 Reverse Osmosis Plant Construction Companies

1. Mobile Water Services

Mobile Water Services is a water treatment company that offers filtration, deionization, reverse osmosis, and other technologies to produce high-quality water. They provide custom and flexible services for various industries, including chemical, sugar, and engineering. Their membrane technology treats high salinity water, and they also offer desalination, ultrafiltration, and degassification services. They are a market leader in water treatment and offer 24/7 rental solutions. They serve customers in Europe and have a team available for assistance.


2. Corodex Industries

Corodex Industries specializes in providing world-class water purification, wastewater treatment, and odor control solutions. They offer turnkey and package systems for desalination, industrial water reuse, potable water supply, and the food and beverage industries.


3. AES Arabia Ltd

  • Website: aesarabia.com
  • Headquarters: Riyadh, Ar Riyad, Saudi Arabia
  • Founded: 1985
  • Headcount: 201-500
  • LinkedIn

AES Arabia is a company that specializes in providing water treatment solutions and systems. They offer a wide range of products and services including reverse osmosis plants, sewage treatment plants, wastewater treatment plants, membrane filtration systems, and more.


4. DCM Shriram Ltd

Watertreaters.com is a professionally managed manufacturing company specializing in water treatment, wastewater treatment, sewage treatment, and recycling technology. With over 21 years of industrial experience, we offer cost-effective solutions for water and wastewater treatment systems. Our product range includes Reverse Osmosis Systems, Conventional Pressure Filters, DM Plants, Sewage Treatment Plants, and more.


5. Inncive

  • Website: inncive.es
  • Headquarters: Madrid, Madrid, Spain
  • Founded: 1999
  • Headcount: 51-200
  • LinkedIn

INNCIVE is a water management company that specializes in the design, construction, and operation of water treatment plants and systems. With a focus on sustainability and efficiency, the company provides solutions for both industrial and residential water needs.


6. WTEC Plants Srl

WTEC Plants specializes in the design, development, and construction of water treatment plants. They offer turn-key solutions for sterilization, clari-flocculation, flotation filtration, and water purification using techniques such as reverse osmosis and filtration using quartzite. The company produces standardized plants that optimize the quality of materials and the water produced.


7. Emirates Water Technology CO. LLC

  • Website: ewt.ae
  • Headquarters: Abu Dhabi, United Arab Emirates
  • Founded: 2003
  • Headcount: 11-50
  • LinkedIn

Emirates Water Technology Co. is a UAE-based company specializing in water treatment and purification solutions. With a focus on meeting the needs of the Middle East and Gulf Region, they provide feasible solutions for water treatment and wastewater treatment in isolated locations. They also design and construct sewage treatment plants to meet effluent standards.


8. McDade Waterworks Inc

McDade Waterworks is a company that specializes in supplying materials for the construction of water treatment plants, wastewater treatment plants, reverse osmosis plants, pump stations, and wells. They offer a wide range of materials including ductile iron, stainless steel, and carbon steel pipes, fittings, valves, and other associated appurtenances. McDade Waterworks is known for its superior service and comprehensive support throughout the project.


9. Ecoimpianti Sud S.R.L.

Ecoimpianti Sud is a company specializing in water treatment and purification solutions. With years of experience in the industry, they offer expertise in designing, constructing, and maintaining water treatment plants. Their services include primary water plant construction, existing plant upgrades, rainwater purification systems, and waste management. They serve a wide range of customers, including the agri-food sector, tourism and hospitality industry, and medical facilities. Ecoimpianti Sud operates in the environmental technology sector, providing innovative solutions for water management and waste treatment.


10. TWG Treatment Water Group

  • Website: twgacque.com
  • Headquarters: Gela, California, United States
  • Founded: 1997
  • Headcount: 11-50
  • LinkedIn

TWG is a company that specializes in water treatment and purification. Their services include construction, maintenance, and automation of water treatment plants. They also offer rental options and consultation services for clients.


11. Weil Wasseraufbereitung GmbH

Weil Wasser­aufbereitung GmbH specializes in customized plants for the production of drinking water and wastewater treatment. They offer services for the removal and prevention of environmental pollution.


12. Warranium Energy

Warranium Energy specializes in wastewater treatment and solar power installations. They design, supply, install, test, and commission sewage treatment plants, effluent treatment plants, water treatment plants, and solar power turnkey projects. Their services also include operations and maintenance, sampling, testing, and environmental monitoring.


13. Biwater

  • Website: biwater.com
  • Headquarters: Surrey, Dorking, United Kingdom
  • Founded: 1968
  • Headcount: 501-1000
  • LinkedIn

Biwater is a global company that specializes in providing sustainable treated water solutions. They serve communities, protect the environment, and promote economic development. Their comprehensive solutions include water treatment, wastewater treatment, desalination, water reuse, membrane treatment, and modular treatment plants. They also offer project finance, operation and maintenance, and water asset management services.


14. PACT ENGINEERING Co

  • Website: pactusa.com
  • Headquarters: Dubai, Dubai, United Arab Emirates
  • Founded: 2000
  • Headcount: 201-500
  • LinkedIn

PACT Engineering is a company that offers engineering, procurement, construction, and operation & maintenance services in the water treatment industry. They provide a range of products including compact water treatment plants, reverse osmosis desalination systems, and multimedia filters. With a focus on quality and customer satisfaction, PACT Engineering caters to municipal, industrial, and residential clients globally.


15. Poole & Kent Company of Florida

P&K Building Information Modeling (BIM) Filtration is a specialty general contracting company based in Florida. They specialize in highly complex process mechanical, electrical generation, HVAC, plumbing, and refrigeration systems. P&K offers construction management, design-build, water/wastewater construction, filtration services, and more. They have extensive experience in the industry and have completed various projects successfully.


16. Brunswick Regional Water & Sewer H2GO

  • Website: h2goonline.com
  • Headquarters: Leland, North Carolina, United States
  • Founded: 1976
  • Headcount: 51-200
  • LinkedIn

H2GO is a utility company that provides treated water to preserve and promote the public health of the citizens in the North Brunswick area. They strive to offer their customers the best service possible.


17. Tamilnadu Water Investment Company Limited

Tamilnadu Water Investment Company Limited (TWIC) is a government-promoted company specializing in end-to-end solutions for urban water projects. They provide comprehensive services including problem understanding, technology selection, design development, finance arrangement, contractor procurement, implementation supervision, and operation and maintenance.


18. Septech Emirates LLC

Septech Holdings Limited is a company that operates in the water and wastewater industry, providing solutions for coal seam gas technology, marina management, utilities, precast infrastructure, and mobile water. They offer a portfolio of products and services spanning across 6 major industries.


19. Celtic Anglian Water

  • Website: caw.ie
  • Headquarters: Santry, Leinster, Ireland
  • Founded: 1998
  • Headcount: 51-200
  • LinkedIn

Celtic Anglian Water (CAW) is Ireland's leading water and wastewater solutions provider. They offer innovative water, wastewater, and resource recycling solutions for the municipal, industrial, and commercial water sectors. CAW provides engineering and design, construction, asset management, and maintenance services. They are committed to sustainable development and the prudent re-use of waste streams and resources. CAW's expertise in managing water operations at customer facilities is unmatched.


20. Egfi

EGFI is a company specializing in industrial chimney construction and maintenance. They offer a range of products and services related to fumisterie industrielle.


21. Jemimah Nigeria Limited

JEMIMAH NIGERIA LIMITED is a provider of safe, technically sound, and environmentally sensitive plumbing solutions. With over two decades of experience, we offer reliable and efficient services for routine maintenance, burst pipes, and more. We also specialize in the sale, installation, and maintenance of various types of water treatment plants.


22. Pederzani Impianti srl

  • Website: pederzani.it
  • Headquarters: Castel Goffredo, Mantova, Italy
  • Founded: 1975
  • Headcount: 51-200
  • LinkedIn

Pederzani Impianti is a company specializing in the design, construction, and installation of high-efficiency energy systems. With over 50 years of experience, they create innovative solutions for air and water treatment, integrating advanced technologies to meet environmental standards. Their services include project management, technical assistance, and maintenance for various sectors including public, civil, and industrial. They offer customized turnkey solutions, utilizing renewable energy sources for sustainable development.


23. Disin S.A.

  • Website: disin.com
  • Headquarters: Bogotá, Cundinamarca, Colombia
  • Founded: 1979
  • Headcount: 11-50
  • LinkedIn

DISIN S.A. is a technically and financially sound company that ensures project viability with high quality standards. They design and construct industrial equipment using stainless steel, carbon steel, and/or reinforced fiberglass (PRFV) in compliance with ASME code.


24. Ecosistemi Srl

Ecosistemi.net is a company specializing in water treatment and purification systems. With over 25 years of experience, they offer a range of services including analysis, design, construction, management, and maintenance of water treatment plants. Their expertise extends to industries such as agriculture, aquaculture, dairy, wineries, and sports facilities.


25. Gajarda S.R.L.

  • Website: gajarda.com
  • Headquarters: Viterbo, Vermont, United States
  • Founded: 1999
  • Headcount: 11-50
  • LinkedIn

Gajarda specializes in providing solutions for various water treatment needs, including domestic water purification, restaurant water purifiers, and industrial water purification. The company offers services such as designing and constructing pools, revamping water purification systems, and creating smart cities. Gajarda leverages its competent team and partnerships with global leaders to cater to the diverse requirements of individuals and businesses.


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