Company lists · Data refreshed November 2026

Top 25 Private water supply contractors worldwide

RevenueBase identified 2,460 company matches for private water supply contractors worldwide as of November 2026 and tracks 19,054 professional contacts across them, including 3,607 with verified work emails. The United States is the largest market and Nairobi the largest hub.

This list covers company matches for private water supply contractors worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for private water supply contractors follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
2,460Companies
19,054Contacts tracked
3,607Verified emails
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The 25 largest private water supply contractors worldwide

Ranked by team size
Top 25 of 2,460 company matches for private water supply contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchEast Ahmadi, KuwaitHQ recorded Nov 6, 20261,001-5,000759 contacts →

Exact match

“KUWAIT DRILLING CO.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 20261,001-5,000358 contacts →

Exact match

“Established in 1964, Abdullah Ibrahim Al Sayegh and Sons Company a Closed Joint Stock Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRabat, MoroccoHQ recorded Nov 6, 20261,001-5,000307 contacts →

Exact match

“ATNER, founded in 1988, is a national leader in water and public works services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026n/a226 contacts →

Exact match

“HMWSSB Service Provider of construction services, design services & management of water supply system services in Hyderabad, Telangana.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNaas, IrelandHQ recorded Nov 6, 2026201-500174 contacts →

Exact match

“Whitewater Group is a multi-disciplinary engineering company with water at the heart of everything we do.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSelinsgrove, PA, United StatesHQ recorded Nov 6, 2026201-500157 contacts →

Exact match

“100% Employee Owned LB Water has been providing quality water and wastewater solutions for decades.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCanning Vale, AustraliaHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“With over 30 years specialising and innovation in purpose-built and complete water package pumping and treatment solutions locally, nationally and internationally, it’s our vision…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchThebarton, AustraliaHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“Guidera O'Connor (GO) is an Australian privately owned company operating only within the Water Industry and specialising in the delivery of water/wastewater treatment and pumping…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchTorre Del Greco, ItalyHQ recorded Nov 6, 2026201-500114 contacts →

Exact match

“RDR S.p.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026501-1,000111 contacts →

Exact match

“USG Water Solutions is the leading water utility services provider specializing in storage tanks, plant rehabilitation, metering, and distribution systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchJona, SwitzerlandHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“Häny is an expert system provider of advanced, innovative and reliable pump solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHaren, GermanyHQ recorded Nov 6, 2026501-1,00097 contacts →

Exact match

“Water has been our passion for more than 60 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“Fundada em 1959 com o objetivo de oferecer soluções para empresas, industriais, condomínios, clubes, academias e residências nas áreas de bombeamento e tratamento de agua.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“Founded in 1962, Jim Myers & Sons, Inc.(JMS) is a high-quality equipment manufacturer leading the way in the water & wastewater industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSingaporeHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“Incorporated in 1977 and based in Singapore, Hitachi Aqua-Tech has built a strong reputation as a specialist in water management solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCaracas, VenezuelaHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“Somos una organización fundada en 1986 para generar soluciones en el manejo y tratamiento de agua.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHarrison, NY, United StatesHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Outstanding Service for Over 50 Years Based in the New York metropolitan area but serving all of NY State, CT, and norther NJ, GA Fleet Associates serves Building Trades…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMissisauga, ON, CanadaHQ recorded Nov 6, 2026n/a80 contacts →

Exact match

“Kent Water Purification Systems is a leading supplier of water purification systems in the Greater Toronto Area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPerth, AustraliaHQ recorded Nov 6, 2026201-50079 contacts →

Exact match

“PPS Water Group is a proudly Australian company delivering turnkey water infrastructure solutions to the resource sector and beyond.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNambour, AustraliaHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“The Pump House is the largest pump and irrigation company in Southeast Queensland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLaksi Bangkok, ThailandHQ recorded Nov 6, 20265,001-10,00077 contacts →

Exact match

“Conduct surveys, provide water sources and procure raw water for use in the water supply business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Alder Construction is a family‑owned general contractor headquartered in Salt Lake City, Utah, with deep roots in water infrastructure dating back to 1961.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKent, United KingdomHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Willow Pumps provide expert services for all your pump, drainage, waste and clean water needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBakersfield, OH, United StatesHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“Clear Creek Systems is a leading provider of water treatment systems and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchOosterhout, NetherlandsHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“Iedere toepassing van water vraagt om een specialistische blik op alle aspecten van het watergebruik.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,460 private water supply contractors worldwide

See the full list, filter by size, metro and specialty, and access 3,607 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Private water supply contractors worldwide at a glance

As of Nov 6, 2026
18.9%Verified-email coverage
7.7Average contacts per company
11-50Median size (employees)
0.8%Largest-city concentration · Nairobi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,199
11-50
901
51-200
230
201-500
42
501-1,000
12
1,001-5,000
12
5,001-10,000
5
10001+
2

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for private water supply contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “private water supply contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 3,607 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Private water supply contractors by location

8 lists · largest first

Every Private water supply contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “private water supply contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many private water supply contractors are there worldwide?

RevenueBase identified 2,460 company matches for private water supply contractors worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Kuwait Drilling Co. K.S.C.C tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most private water supply contractors?

The United States leads with 761 companies, followed by Brazil (122) and the United Kingdom (108). Every private water supply contractors list by country and city is linked on this page.

Which city has the most private water supply contractors?

Nairobi leads with 19 company records, followed by Sao Paulo (13) and Dubai (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,607 professional contacts with verified work emails tracked across these 2,460 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.