Company lists · Data refreshed September 2026

Top 10 Industrial cooling water services based in South Africa

RevenueBase identified 47 industrial cooling water services headquartered in South Africa as of September 2026 and tracks 783 professional contacts across them, including 277 with verified work emails. Johannesburg is the largest hub.

This list covers industrial cooling water services headquartered in South Africa, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
47Companies
783Contacts tracked
277Verified emails
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The 10 largest industrial cooling water services based in South Africa

Ranked by team size
Top 10 of 47 industrial cooling water services based in South Africa, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to industrial cooling water services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceWoodmead, South AfricaHQ checked Sep 17, 2026201-500358 contacts →

Strong evidence

“Proxa is a leading water treatment specialist whose integrated services cover the entire water cycle and span numerous global industries, including: mining, food & beverage…”

Source: RevenueBase Database · checked Sep 17, 2026
2Indirect evidenceCape Town, South AfricaHQ checked Sep 17, 202651-200123 contacts →

Indirect evidence

“Established in 2004 as a provider of air-conditioning and related maintenance services for commercial buildings, SFI Group has grown its original Cape Town based business to a…”

Source: RevenueBase Database · checked Sep 17, 2026
3Strong evidenceEdenvale, South AfricaHQ checked Sep 17, 202611-5067 contacts →

Strong evidence

“IWC Industrial is a subsidiary company of NEXT Cooling and specialises in cooling towers and heat exchangers for a variety of industries.”

Source: RevenueBase Database · checked Sep 17, 2026
4Partial evidenceErkurhuleni, South AfricaHQ checked Sep 17, 202651-20021 contacts →

Partial evidence

“BAC is proud to be the world's cooling partner.”

Source: RevenueBase Database · checked Sep 17, 2026
5Partial evidenceNaledi, South AfricaHQ checked Sep 17, 202651-20018 contacts →

Partial evidence

“Specialising in cooling solutions globally, LCTS offers the following services: 1.”

Source: RevenueBase Database · checked Sep 17, 2026
6Partial evidenceBoksburg, South AfricaHQ checked Sep 17, 202651-20018 contacts →

Partial evidence

“Welcome to Prosep, a premier leader in the water treatment industry with over 20 years of experience.”

Source: RevenueBase Database · checked Sep 17, 2026
7Partial evidenceMiddleburg, South AfricaHQ checked Sep 17, 202651-20013 contacts →

Partial evidence

Water Analytical Services (WAS) was formed in November The founder and director, Stephan van der Merwe, established the company with a specific focus on the coal, iron and steel…”

Source: RevenueBase Database · checked Sep 17, 2026
8Strong evidenceJohannesburg, South AfricaHQ checked Sep 17, 20261-109 contacts →

Strong evidence

“Telos Water comprises of a team of highly experienced engineers and project managers providing water management solutions to the mining, industrial and municipal sectors.”

Source: RevenueBase Database · checked Sep 17, 2026
9Partial evidenceCape Town, South AfricaHQ checked Sep 17, 202611-508 contacts →

Partial evidence

“ZUID provides services to the Commercial & Industrial market in the following fields.”

Source: RevenueBase Database · checked Sep 17, 2026
10Strong evidenceBoksburg, South AfricaHQ checked Sep 17, 20261-101 contacts →

Strong evidence

“SA Clean Water provides customised water treatment solutions, including softening, reverse osmosis, ultrafiltration, and filtration for residential, commercial and industrial…”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 10 of 47 industrial cooling water services based in South Africa

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Industrial cooling water services based in South Africa at a glance

As of Sep 17, 2026
35.4%Verified-email coverage
16.7Average contacts per company
1-10Median size (employees)
21.3%Largest-city concentration · Johannesburg
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
26
11-50
12
51-200
8
201-500
1

Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 47 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among industrial cooling water services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in South Africa whose own description of what they do matches “industrial cooling water services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names industrial cooling water services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among industrial cooling water services, and records with no verified work email. Companies headquartered outside South Africa are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 277 across the full list. 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 September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names industrial cooling water services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many industrial cooling water services are there based in South Africa?

RevenueBase identified 47 industrial cooling water services headquartered in South Africa as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Proxa Water, headquartered in Woodmead, tops this list with the largest team on record.

Which city has the most industrial cooling water services?

Johannesburg leads with 10 headquartered companies, followed by Cape Town (6) and Boksburg (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 277 verified decision-maker contacts tracked across these 47 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 Smart Search, 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.