Water utilities companies play a vital role in managing and delivering clean water as well as treating wastewater. This industry comprises large corporate entities and private providers that focus on ensuring adequate distribution and quality of water resources. With global demands for water increasing due to population growth and climate change, the sector emphasizes sustainability and technological innovations. Interestingly, companies are increasingly investing in smart technologies for resource management and pollution control. In addition, regulatory frameworks are evolving, pushing industries to adopt environmentally friendly practices and enabling efficient waste treatment processes.


The companies featured in this list represent a range of sizes and operational focuses in the water utilities sector. Headquartered primarily in the UK and extending to regions like Saudi Arabia, the Philippines, and the Netherlands, these organizations were founded between 1971 and 2008. They specialize in providing clean drinking water and wastewater treatment solutions for millions of customers. With employee counts varying from hundreds to thousands, these firms showcase a blend of corporate and private ownership structures, reflecting their unique approaches to service delivery and community support.


Continue reading to discover the top water utilities companies.


Top 26 Water Utilities Companies


1. Thames Water

  • Website: thameswater.co.uk
  • Ownership type: Private Equity
  • Headquarters: Reading, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 100%
  • Latest funding: Other (Debt), $1.9B, November 2024
  • Founded year: 1989
  • Headcount: 1001-5000
  • LinkedIn: thames-water

Thames Water Utilities Ltd, founded in 1989, operates as a private equity-owned utility company based in Reading, England. It serves approximately 16 million customers, providing vital water supply and wastewater treatment services across Greater London and its surrounding areas. The company is dedicated to ensuring reliable access to clean water and effective sanitation, which are critical for public health and environmental sustainability. Thames Water also offers financial support options for customers facing difficulties, reflecting its commitment to community welfare. Recently, the company secured significant funding, amounting to over £1.9 billion, to bolster its operations and infrastructure. This financial backing is crucial as Thames Water navigates challenges such as climate change and increasing demand for water resources. Their ongoing projects, including upgrades to sewage treatment facilities and initiatives aimed at reducing pollution, highlight their proactive approach to environmental stewardship and operational efficiency.


2. Yorkshire Water

  • Website: yorkshirewater.com
  • Ownership type: Private
  • Headquarters: Bradford, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 100%
  • Latest funding: Other (Grant), $4.1M, May 2023
  • Founded year: 1989
  • Headcount: 1001-5000
  • LinkedIn: yorkshire-water

Yorkshire Water is a private utility company based in Bradford, England, established in 1989. It serves approximately 5.7 million customers throughout Yorkshire, providing essential water supply and wastewater treatment services. The company is dedicated to maintaining high water quality standards and managing wastewater effectively, ensuring compliance with environmental regulations. Yorkshire Water operates a network of over 600 wastewater treatment works and approximately 20,000 miles of underground pipes, which are crucial for collecting and treating wastewater from both residential and commercial customers. The company also emphasizes customer service, offering various support services to enhance the customer experience. In May 2023, Yorkshire Water received funding of over £4 million, indicating its commitment to improving and expanding its services. This investment is likely aimed at enhancing operational efficiency and environmental sustainability, which are key priorities in the water utility sector.


3. Anglian Water Services

  • Website: anglianwater.co.uk
  • Ownership type: Corporate
  • Headquarters: Huntingdon, Pennsylvania, United States (USA)
  • Employee distribution: United Kingdom (UK) 99%
  • Latest funding: December 2008
  • Founded year: 1989
  • Headcount: 5001-10000
  • LinkedIn: anglian-water-services

Anglian Water Services Limited, founded in 1989, operates as a corporate entity in the water utility sector. Based in Huntingdon, Pennsylvania, the company serves residential and business customers primarily in the East of England. With a workforce of approximately 3,653 employees, Anglian Water is dedicated to delivering clean drinking water and managing wastewater effectively. Their operations are vital for public health and environmental sustainability, as they focus on ensuring the quality of water supplied and the efficiency of sewage systems. The company actively engages in initiatives aimed at water conservation and environmental protection, reflecting its commitment to responsible water management. Anglian Water's services include monitoring water resources, treating and cleaning water, and maintaining the infrastructure necessary for reliable water supply and sewage management.


4. NWG (Northumbrian Water Group)

  • Website: nwl.co.uk
  • Ownership type: Private Equity
  • Headquarters: United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 99%
  • Latest funding: Other (Grant), $12.7M, May 2024
  • Founded year: 1989
  • Headcount: 1001-5000
  • LinkedIn: northumbrian-water

Northumbrian Water Group (NWG) is a prominent water utility company based in the United Kingdom, specifically serving the North East of England. Founded in 1989, the company operates under the umbrella of Northumbrian Water Limited, which is dedicated to providing essential water supply and sewerage services to both residential and business customers. NWG emphasizes the importance of delivering clean, safe drinking water and managing wastewater effectively. They also offer various support services, including financial assistance for customers facing difficulties. Recently, NWG secured funding amounting to approximately £12.67 million in May 2024, which reflects their ongoing commitment to improving infrastructure and service delivery. The company employs around 1,614 individuals, primarily based in the UK, showcasing their significant presence in the local market. NWG's proactive approach to customer service, including initiatives like the Priority Services register, further highlights their dedication to meeting the needs of their community.


5. Wessex Water

  • Website: wessexwater.co.uk
  • Ownership type: Private
  • Headquarters: Bath, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 98%, Other 2%
  • Latest funding: Other (Debt), $382.4M, July 2024
  • Founded year: 1974
  • Headcount: 1001-5000
  • LinkedIn: wessex-water

Wessex Water Services Limited is a private utility company based in Bath, England, providing essential water supply and sewerage services to around 1.3 million residents and businesses in South West England. Founded in 1974, the company has established itself as a key player in the water utilities sector, focusing on ensuring reliable access to clean water and effective wastewater management. Wessex Water is dedicated to maintaining high water quality standards and actively engages in community support initiatives. The company has also received significant funding, amounting to over £382 million, which underscores its commitment to enhancing infrastructure and service delivery. With a workforce of approximately 1,800 employees, Wessex Water continues to invest in its operations to meet the needs of its customers and the environment.


6. South West Water

  • Website: southwestwater.co.uk
  • Ownership type: Private
  • Headquarters: Exeter, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 99%
  • Founded year: 1989
  • Headcount: 1001-5000
  • LinkedIn: south-west-water

South West Water is a private utility company based in Exeter, England, established in 1989. It serves approximately 1.8 million customers across Devon, Cornwall, the Isles of Scilly, and parts of Dorset and Somerset. The company is dedicated to providing clean drinking water and efficient wastewater treatment services. South West Water actively engages with local communities to address environmental concerns and enhance service delivery. They have implemented various projects aimed at improving water quality, reducing pollution, and managing water resources effectively. Their strategic priorities include upgrading water treatment facilities, tackling storm overflow issues, and achieving net-zero emissions by 2030. The company also invests in innovative solutions to enhance their infrastructure and ensure sustainable water management practices.


7. Nwc

  • Website: nwc.com.sa
  • Ownership type: Private
  • Headquarters: Riyadh, Riyadh, Saudi Arabia
  • Employee distribution: Saudi Arabia 99%
  • Founded year: 2008
  • Headcount: 10001+
  • LinkedIn: -nwc

The National Water Company (NWC) is a private water utility based in Riyadh, Saudi Arabia, founded in 2008. NWC provides vital water supply and wastewater management services to residential, commercial, and governmental customers. The company operates on sound commercial principles, ensuring access to clean water and effective sanitation solutions across various regions. NWC has been involved in numerous projects aimed at enhancing water service coverage, including the recent implementation of 46 water and sanitation projects in Riyadh, costing over 1.6 billion Saudi Riyals. The company also plays a crucial role during the Hajj season, ensuring water supply and quality for millions of pilgrims. NWC's strategic initiatives align with Saudi Arabia's Vision 2030, focusing on improving operational efficiency and expanding service reach. The company has not reported any funding, indicating it operates independently within the market.


8. Evides Waterbedrijf

  • Website: evides.nl
  • Ownership type: Private
  • Headquarters: Rotterdam, South Holland, Netherlands
  • Employee distribution: Netherlands 100%
  • Founded year: 2004
  • Headcount: 501-1000
  • LinkedIn: evides-waterbedrijf

Evides Waterbedrijf, founded in 2004 and based in Rotterdam, South Holland, is a private water utility company that serves around 2.5 million consumers and businesses across Zeeland, southwestern South Holland, and the Brabant Wal. With a workforce of approximately 871 employees, Evides is dedicated to providing safe and clean drinking water while emphasizing sustainable water management practices. The company is actively involved in community initiatives, notably the 'Water for Life' program, which aims to enhance access to clean water in developing countries. This initiative reflects Evides' commitment to social responsibility and global water issues. Additionally, Evides engages in collaborative efforts with various stakeholders to improve groundwater management and innovate in water purification technologies, ensuring they remain relevant in a changing environmental landscape.


9. Affinity Water

  • Website: affinitywater.co.uk
  • Ownership type: Corporate
  • Headquarters: Hatfield, England, United Kingdom (UK)
  • Employee distribution: United Kingdom (UK) 100%
  • Latest funding: $889.0M, May 2017
  • Founded year: 2012
  • Headcount: 1001-5000
  • LinkedIn: affinity-water

Affinity Water Limited, founded in 2012, is a corporate water utility company based in Hatfield, England. It supplies drinking water to residential and commercial customers across parts of London and the eastern and southeastern regions of England. The company prioritizes water quality and has implemented various initiatives to ensure that the water supplied meets high standards. Affinity Water is also dedicated to sustainability, actively working on projects that reduce water abstraction and promote environmental stewardship. They offer financial assistance programs to help customers who may struggle with their bills, showcasing their commitment to community support. With a workforce of around 962 employees, Affinity Water plays a significant role in the water utility sector, focusing on both operational efficiency and customer service.


10. Maynilad Water Services, Inc.


Maynilad Water Services, Inc. is a private water utility company established in 1997, primarily serving the West Zone of Metropolitan Manila. The company was formed after a consortium won the rights to provide water and wastewater services in the area. Initially facing challenges due to financial crises and regulatory disputes, Maynilad underwent a significant transformation after being re-privatized in 2007. Under new ownership, it has implemented an aggressive investment strategy, spending over P100 billion to rehabilitate and expand its services. Today, Maynilad provides safe and reliable water supply and enhanced sewerage services to more than 9.7 million people, focusing on accelerating wastewater investments to meet the needs of its growing customer base. The company is also involved in various advocacy initiatives aimed at promoting water conservation and sustainability.


11. Vitens

  • Website: vitens.nl
  • Ownership type: Private
  • Headquarters: Zwolle, Overijssel, Netherlands
  • Employee distribution: Netherlands 100%
  • Founded year: 2006
  • Headcount: 1001-5000
  • LinkedIn: vitens

Vitens is a water utility company based in Zwolle, Overijssel, Netherlands, established in 2006. With a workforce of approximately 1,779 employees, Vitens serves a broad customer base, supplying drinking water to residential and commercial clients across several provinces, including Flevoland, Friesland, Gelderland, Utrecht, Overijssel, and parts of Drenthe. The company prioritizes water quality and availability, conducting regular quality checks and maintaining high standards in their operations. Vitens is also committed to sustainability, engaging in projects aimed at promoting responsible water use and environmental stewardship. Their initiatives include educational programs and partnerships that focus on water conservation and the sustainable management of water resources.


12. RWW Rheinisch-Westfälische Wasserwerksgesellschaft mbH


RWW Rheinisch-Westfälische Wasserwerksgesellschaft mbH, based in Neunkirchen, North Rhine-Westphalia, Germany, is a private water utility company that has been operational since 1912. The company provides drinking and utility water services to around 900,000 residents and businesses in the western Ruhr area and the adjacent Münsterland. RWW is dedicated to ensuring high water quality and environmental protection through a variety of services, including comprehensive water quality analysis and management consulting. With six water treatment plants and a utility water facility, RWW manages an extensive pipeline network of approximately 3,000 kilometers. Their commitment to quality is reflected in their laboratory, which performs over 150,000 analyses each year to monitor and maintain the safety of the water supply. RWW also engages in various initiatives aimed at resource protection and sustainability, making them a significant player in the water utility sector.


13. Connecticut Water

  • Website: ctwater.com
  • Ownership type: Corporate
  • Headquarters: Clinton, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: $1.1B, March 2018
  • Founded year: 1956
  • Headcount: 201-500
  • LinkedIn: connecticut-water-co

Connecticut Water, based in Clinton, Connecticut, is a corporate utility company that has been serving the community since its founding in 1956. With a workforce of approximately 133 employees, the company is dedicated to providing reliable water supply services to both residential and commercial customers. Connecticut Water prioritizes water quality and reliability, ensuring that customers receive clean drinking water. The company actively engages with the community through various programs, including financial assistance for income-eligible customers and educational initiatives aimed at promoting water conservation. They also provide comprehensive water quality reports and have implemented measures to protect water sources. Their commitment to community involvement is evident through programs like the Water Drop Watchers, which educates local schoolchildren about water conservation. Connecticut Water's proactive stance on infrastructure improvements, such as the Water Infrastructure and Conservation Adjustment (WICA) program, further underscores their dedication to enhancing service quality and reliability.


14. Pt Pam Lyonnaise Jaya

  • Website: palyja.co.id
  • Ownership type: Private
  • Headquarters: Central Jakarta, Jakarta, Indonesia
  • Employee distribution: Indonesia 100%
  • Founded year: 1998
  • Headcount: 1001-5000
  • LinkedIn: palyja

PT Pam Lyonnaise Jaya (PALYJA) is a private water utility company based in Central Jakarta, Indonesia. Founded in 1998, PALYJA has been dedicated to enhancing the provision of clean water to the residents of Western Jakarta. The company serves over 3.3 million people, focusing on delivering high-quality water supply services. PALYJA's operations include rigorous water quality management and responsive customer support for billing inquiries. The company has also implemented various innovative projects aimed at reducing water loss and improving service efficiency. Their commitment to social responsibility is evident through initiatives that promote access to clean water for all. PALYJA has received several awards for its operational excellence and commitment to safety, reflecting its active role in the water utility sector.


15. Liberty Utilities


Liberty Utilities, founded in 1988 and based in Oakville, Washington, is a private utility company that serves over 1 million customer connections across North America. The company provides essential services, including electricity, natural gas, water, and wastewater treatment. Liberty Utilities is dedicated to ensuring reliable utility services for both residential and commercial customers. Their operations in the water sector include regulated water and wastewater treatment systems, which are crucial for maintaining public health and environmental standards. The company is also committed to sustainability, investing in clean energy solutions and community support initiatives. With a workforce of approximately 850 employees, Liberty Utilities is part of Algonquin Power & Utilities Corp., which enhances its capacity for growth and innovation in the utility sector.


16. Severomoravské vodovody a kanalizace Ostrava a.s.

  • Website: smvak.cz
  • Ownership type: Private
  • Headquarters: Ostrava, Moravian-Silesian, Czech Republic
  • Employee distribution: Czech Republic 100%
  • Founded year: 1992
  • Headcount: 501-1000
  • LinkedIn: smvak

Severomoravské vodovody a kanalizace Ostrava a.s. is a private water utility company based in Ostrava, Czech Republic. Founded in 1992, the company specializes in providing high-quality drinking water and effective wastewater management services to both residential and commercial customers in the Northern Moravia and Silesia regions. With a workforce of approximately 501-1000 employees, SmVaK emphasizes the importance of water quality and reliability in its operations. The company is dedicated to sustainable practices and community engagement, ensuring that it meets the needs of its customers while also addressing environmental concerns. SmVaK actively participates in initiatives that promote water conservation and public awareness about the value of water, further highlighting its commitment to the industry.


17. Publiacqua S.p.A.

  • Website: publiacqua.it
  • Ownership type: Private
  • Headquarters: Florence, Tuscany, Italy
  • Employee distribution: Italy 99%
  • Founded year: 2001
  • Headcount: 501-1000
  • LinkedIn: publiacqua-s.p.a.

Publiacqua S.p.A. is a private water utility company based in Florence, Tuscany, Italy. Established in 2001, the company specializes in providing essential water supply services to both residential and business customers. With a workforce of approximately 368 employees, Publiacqua is dedicated to ensuring reliable access to clean water. The company emphasizes efficient water management and customer satisfaction, offering digital billing options and robust customer support. Their operations include monitoring water quality and managing sanitation services, which are critical for public health and environmental sustainability. Publiacqua's commitment to transparency and quality is reflected in their certifications and adherence to industry standards, making them a significant player in the regional water utility sector.


18. Aguas del Altiplano


Aguas del Altiplano is a private water utility company based in Iquique, Tarapacá, Chile, founded in 2004. The company specializes in providing essential water distribution and sewage services to both residential and commercial customers. With a workforce of approximately 176 employees, Aguas del Altiplano emphasizes community engagement and environmental sustainability. It runs various programs aimed at supporting local initiatives and enhancing public health. The company is dedicated to improving its infrastructure and services, as evidenced by ongoing projects like the construction of new sewage collectors. Aguas del Altiplano's focus on sustainable practices and community involvement positions it as a relevant player in the water utility sector.


19. Aquanet SA

  • Website: aquanet.pl
  • Ownership type: Private
  • Headquarters: Gmina Gostyń, Greater Poland Voivodeship, Poland
  • Employee distribution: Poland 100%
  • Founded year: 2005
  • Headcount: 501-1000
  • LinkedIn: aquanet-s-a-

Aquanet SA is a private water utility company based in Gmina Gostyń, Greater Poland Voivodeship, Poland. Established in 2005, Aquanet provides essential water supply and sewage services to both residential and business customers. The company is dedicated to ensuring access to clean water and effective waste management, which are critical components of public health and environmental sustainability. Aquanet is involved in various infrastructure projects aimed at enhancing service delivery and improving the efficiency of its operations. The company also offers multiple customer service channels, including online billing and emergency reporting, to facilitate better communication and service access for its clients. With a workforce of approximately 280 employees, Aquanet operates solely within Poland, focusing on the needs of its local communities.


20. Acque

  • Website: acque.net
  • Ownership type: Private
  • Headquarters: Empoli, Tuscany, Italy
  • Employee distribution: Italy 100%
  • Founded year: 2002
  • Headcount: 501-1000
  • LinkedIn: acque-spa

Acque SpA, founded in 2002 and based in Empoli, Tuscany, is a private water utility company serving approximately 800,000 citizens in the Basso Valdarno region. The company specializes in integrated water services, which include aqueduct management, sewage systems, and wastewater treatment. Acque is dedicated to providing reliable access to clean water while also focusing on effective waste management practices. Beyond their operational responsibilities, Acque actively promotes environmental education initiatives aimed at raising awareness about water resources among the community. This commitment to education reflects their broader mission of fostering sustainable practices and responsible water usage. Acque operates entirely within Italy, emphasizing its local focus and community-oriented approach.


21. Aguas Nuevas

  • Website: aguasnuevas.cl
  • Ownership type: Venture Capital
  • Headquarters: Las Condes, Santiago, Chile
  • Employee distribution: Chile 100%
  • Latest funding: April 2020
  • Founded year: 2004
  • Headcount: 501-1000
  • LinkedIn: aguas-nuevas

Aguas Nuevas S.A. is a water utility company based in Las Condes, Santiago, Chile, founded in 2004. The company specializes in providing essential water supply and wastewater treatment services across various regions in Chile. Aguas Nuevas is dedicated to improving the quality of life for its customers, which include both households and businesses. The company emphasizes sustainable water management practices and engages in community development initiatives. Aguas Nuevas is committed to environmental sustainability, continuously striving to enhance its service delivery while maintaining a balance between environmental, social, and financial considerations. The company operates under a framework that promotes ethical practices, environmental care, and community engagement, ensuring that its operations positively impact the regions it serves.


22. Emalsa

  • Website: emalsa.es
  • Ownership type: Corporate
  • Headquarters: Las Palmas De Gran Canaria, Canary Islands, Spain
  • Employee distribution: Spain 100%
  • Latest funding: January 2021
  • Founded year: 1984
  • Headcount: 201-500
  • LinkedIn: emalsa

Emalsa, or Empresa Mixta de Aguas de Las Palmas, is a corporate water utility company founded in 1984, based in Las Palmas de Gran Canaria, Canary Islands, Spain. The company is dedicated to providing essential water supply and wastewater management services to the residents and businesses in the region. Emalsa serves approximately 396,537 inhabitants, delivering around 77,000 cubic meters of potable water daily. The company emphasizes the quality of its drinking water and the effective treatment of wastewater, contributing to environmental sustainability. Emalsa conducts over 120,000 water quality tests each year to ensure compliance with European standards. They also engage in projects aimed at enhancing energy efficiency and renewable energy use in their operations, particularly in their desalination facilities. This commitment to excellence and environmental stewardship positions Emalsa as a significant player in the water utility sector.


23. Acquedotto del Fiora SpA

  • Website: fiora.it
  • Ownership type: Private
  • Headquarters: Grosseto, Tuscany, Italy
  • Employee distribution: Italy 100%
  • Founded year: 1983
  • Headcount: 201-500
  • LinkedIn: acquedotto-del-fiora-s.p.a.

Acquedotto del Fiora SpA, based in Grosseto, Tuscany, Italy, is a private water utility company that has been operational since 1983. The company specializes in providing essential water supply and sewage treatment services to both residential and commercial customers. With a workforce of approximately 181 employees, Acquedotto del Fiora is dedicated to ensuring high water quality and effectively managing its infrastructure to meet user needs. The company also emphasizes customer support, offering various services such as billing assistance and contract management. Acquedotto del Fiora is involved in sustainability efforts, focusing on the environmental impact of its operations and the quality of the water it supplies. The company has not reported any recent funding, indicating a stable operational model without external financial dependencies.


24. Águas Guariroba

  • Website: aguasguariroba.com.br
  • Ownership type: Private
  • Headquarters: Jardim America, Mato Grosso Do Sul, Brazil
  • Employee distribution: Brazil 100%
  • Founded year: 2000
  • Headcount: 501-1000
  • LinkedIn: %c3%a1guasguariroba

Águas Guariroba is a private utility company established in 2000, headquartered in Jardim America, Mato Grosso do Sul, Brazil. It specializes in the provision of essential water supply and sewage treatment services to the residents and businesses of Campo Grande. As part of the Aegea Saneamento group, the company emphasizes quality and operational efficiency in its services. Águas Guariroba manages a comprehensive system that includes 4,166 kilometers of water distribution networks and 2,771 kilometers of sewage systems. The company has achieved a remarkable 99.9% coverage for water supply and over 80% for sewage collection, reflecting its commitment to public health and environmental sustainability. Additionally, Águas Guariroba actively engages in social responsibility initiatives and sustainability practices, aiming to enhance the quality of life in the communities it serves.


25. Hidraqua


Hidraqua, founded in 1971 and based in Alicante, Spain, is a private water utility company dedicated to providing essential water supply and sanitation services to municipalities. With a workforce of over 1,000 employees, the company plays a crucial role in managing water resources effectively. Hidraqua emphasizes personalized information and support for local governments, helping them navigate the complexities of water management and ensuring that communities have access to clean water. Their operations are entirely focused on the water utility sector, making them a significant player in the industry, particularly in the Valencian Community.


26. Male' Water & Sewerage Company Pvt. Ltd


Male' Water & Sewerage Company Pvt. Ltd. (MWSC) is a private utility service provider based in Malé, Maldives, founded in 1995. The company specializes in essential services including water supply, sewage management, electricity distribution, and waste management. MWSC serves a wide range of customers, from residential households to businesses and institutions, ensuring they have reliable access to these critical utilities. The company operates with a dedicated team of engineers and utilizes innovative technology to maintain high standards of service. MWSC is also involved in various projects aimed at enhancing its infrastructure, such as the construction of a 10,000-cbm water storage tank and pioneering research in subsea desalination technology. With a workforce of approximately 265 employees, MWSC is committed to providing safe and clean water, as well as effective wastewater management, contributing to the overall health and well-being of the communities it serves.



Water Utilities Insights: Key Companies


CompanyHeadquarterSizeFoundedOwnership
Thames WaterReading, England, United Kingdom (UK)1001-50001989Private Equity
Yorkshire WaterBradford, England, United Kingdom (UK)1001-50001989Private
Anglian Water ServicesHuntingdon, Pennsylvania, United States (USA)5001-100001989Corporate
NWG (Northumbrian Water Group)United Kingdom (UK)1001-50001989Private Equity
Wessex WaterBath, England, United Kingdom (UK)1001-50001974Private
South West WaterExeter, England, United Kingdom (UK)1001-50001989Private
NwcRiyadh, Riyadh, Saudi Arabia10001+2008Private
Evides WaterbedrijfRotterdam, South Holland, Netherlands501-10002004Private
Affinity WaterHatfield, England, United Kingdom (UK)1001-50002012Corporate
Maynilad Water Services, Inc.Philippines1001-50001997Private
VitensZwolle, Overijssel, Netherlands1001-50002006Private
RWW Rheinisch-Westfälische Wasserwerksgesellschaft mbHNeunkirchen, North Rhine-Westphalia, Germany201-5001912Private
Connecticut WaterClinton, Connecticut, United States (USA)201-5001956Corporate
Pt Pam Lyonnaise JayaCentral Jakarta, Jakarta, Indonesia1001-50001998Private
Liberty UtilitiesOakville, Washington, United States (USA)1001-50001988Private
Severomoravské vodovody a kanalizace Ostrava a.s.Ostrava, Moravian-Silesian, Czech Republic501-10001992Private
Publiacqua S.p.A.Florence, Tuscany, Italy501-10002001Private
Aguas del AltiplanoIquique, Tarapacá, Chile201-5002004Private
Aquanet SAGmina Gostyń, Greater Poland Voivodeship, Poland501-10002005Private
AcqueEmpoli, Tuscany, Italy501-10002002Private
Aguas NuevasLas Condes, Santiago, Chile501-10002004Venture Capital
EmalsaLas Palmas De Gran Canaria, Canary Islands, Spain201-5001984Corporate
Acquedotto del Fiora SpAGrosseto, Tuscany, Italy201-5001983Private
Águas GuarirobaJardim America, Mato Grosso Do Sul, Brazil501-10002000Private
HidraquaAlicante, Valencian Community, Spain1001-50001971Private
Male' Water & Sewerage Company Pvt. LtdMalé, Malé, Maldives501-10001995Private


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