Company lists · Data refreshed September 2026

Top 25 Municipal water treatment contractors based in Brazil

Name: Municipal water treatment contractors based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 329 companies tracked

RevenueBase identified 329 company matches for municipal water treatment contractors associated with Brazil as of September 2026 and tracks 17,003 professional contacts across them, including 2,674 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for municipal water treatment contractors associated with Brazil, 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 September 17, 2026.

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 Sep 17, 2026 How this list was built

329Companies

17,003Contacts tracked

2,674Verified emails

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The 25 largest municipal water treatment contractors based in Brazil

Ranked by team size

Top 25 of 329 company matches for municipal water treatment contractors based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Sabesp	Exact match	Sao Paulo, BrazilHQ recorded Sep 17, 2026	10001+	10,050 contacts →
	Exact match “Sabesp is a mixed capital company that was founded in 1973 and is currently responsible for supplying water and collecting and treating sewage in the 375 municipalities of São…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Grupo Águas DO Brasil	Exact match	Niterói, BrazilHQ recorded Sep 17, 2026	1,001-5,000	1,334 contacts →
	Exact match “Fundado em 1998, o Grupo Águas do Brasil é um dos principais grupos privados de saneamento básico do país, presente em 32 municípios nos estados do Rio de Janeiro, Minas Gerais e…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Ambiental Ceará	Exact match	Cariri Ao Litoral, BrazilHQ recorded Sep 17, 2026	501-1,000	283 contacts →
	Exact match “A Ambiental Ceará é a de esgoto da Cagece, a maior do país no setor de saneamento básico, e chega para somar na vida do cearense, ficando responsável pela ampliação, operação e…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Companhia DE Saneamento DE Sergipe	Exact match	Aracaju, BrazilHQ recorded Sep 17, 2026	1,001-5,000	210 contacts →
	Exact match “Somos a Companhia de Saneamento de Sergipe (Deso), empresa de economia mista, criada em 25 de agosto de 1969 e responsável por estudos, projetos e execução de serviços de…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	EPA Engenharia DE Proteção Ambiental Ltda	Exact match	Sao Paulo, BrazilHQ recorded Sep 17, 2026	51-200	120 contacts →
	Exact match “O Grupo EPA oferece as melhores e mais inovadoras soluções para diagnosticar áreas contaminadas, realizar projetos e operar estações de tratamento de água e efluentes e remediar…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	B&f Dias	Exact match	Vinhedo, BrazilHQ recorded Sep 17, 2026	51-200	116 contacts →
	Exact match “A B&F Dias é referência mundial em soluções para tratamento de águas e efluentes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Projesan Water & CO	Exact match	Gaspar, BrazilHQ recorded Sep 17, 2026	51-200	110 contacts →
	Exact match “Na Projesan, avançamos a química de quem trata água todos os dias.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Companhia Operacional DE Desenvolvimento, Saneamento E Ações Urbanas - Codau	Exact match	Uberaba, BrazilHQ recorded Sep 17, 2026	501-1,000	105 contacts →
	Exact match “A Companhia Operacional de Desenvolvimento, Saneamento e Ações Urbanas (Codau) é uma autarquia municipal fundada em 7 de junho de 1966, no município de Uberaba.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Avanex	Exact match	Palmeira, BrazilHQ recorded Sep 17, 2026	51-200	74 contacts →
	Exact match “A Avanex é uma empresa fundada em 1985 no Município de Palmeira na Serra Catarinense.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Rotária DO Brasil	Exact match	Florianópolis, BrazilHQ recorded Sep 17, 2026	51-200	72 contacts →
	Exact match “A Rotária do Brasil é uma empresa de Engenharia especializada em projetos, implantação e operação de sistemas de tratamento de efluentes/esgotos e água potável.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Companhia DE Saneamento DO Parana Sanepar	Exact match	Curitiba, BrazilHQ recorded Sep 17, 2026	5,001-10,000	64 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Auton Soluções Ambientais	Exact match	Itaboraí, BrazilHQ recorded Sep 17, 2026	11-50	64 contacts →
	Exact match “Visão Global - A AUTON utiliza tecnologia de lideres mundiais em produtos e serviços para tratamento de água e efluentes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Sanevix Engenharia	Exact match	Serra, BrazilHQ recorded Sep 17, 2026	51-200	58 contacts →
	Exact match “Sanevix Engenharia is a pioneering company in the design, sizing, manufacturing, and installation of water and wastewater treatment plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Faxon Química	Exact match	Campo Bom, BrazilHQ recorded Sep 17, 2026	51-200	57 contacts →
	Exact match “Pesquisamos e desenvolvemos as melhores alternativas de tratamento de água para cada sistema, atendendo as reais necessidades dos nossos clientes e do meio ambiente.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	BIO G Soluções Inteligentes EM Saneamento	Exact match	Florianópolis, BrazilHQ recorded Sep 17, 2026	201-500	52 contacts →
	Exact match “A Bio G Engenharia e Sistemas de Saneamento é uma empresa que surgiu através de incessantes pesquisas e desenvolvimento tecnológico.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Alphenz	Exact match	Sao Paulo, BrazilHQ recorded Sep 17, 2026	51-200	45 contacts →
	Exact match “A ALPHENZ® é líder no fornecimento de soluções personalizadas para tratamento de água e efluentes há mais de 15 anos, destacando-se pela qualidade e inovação.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	UPE	Exact match	São Paulo, BrazilHQ recorded Sep 17, 2026	51-200	44 contacts →
	Exact match “Consagrada no fornecimento de Sistemas Integrados para as áreas de TRATAMENTO DE ÁGUA, EFLUENTES, VENTILAÇÃO INDUSTRIAL, DESPOEIRAMENTO e UTILIDADES em geral, desde a concepção…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Ebs- Empresa Brasileira DE Saneamento	Exact match	Joinville, BrazilHQ recorded Sep 17, 2026	201-500	38 contacts →
	Exact match “A EBS - Empresa Brasileira de Saneamento, é uma das principais empresas privadas atuantes no setor, e atende os municípios no gerenciamento, operação, manutenção de sistemas de…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	SUALL	Exact match	Lavrinhas, BrazilHQ recorded Sep 17, 2026	51-200	38 contacts →
	Exact match “A Suall é uma importante indústria química especializada em produtos destinados ao tratamento de água.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Águas DE SÃO Francisco	Exact match	Barcarena, BrazilHQ recorded Sep 17, 2026	51-200	37 contacts →
	Exact match “A Águas de São Francisco é a concessionária responsável pelos serviços de água e tratamento de esgoto do município de Barcarena, no Pará.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Hidrodomi	Exact match	Ribeirão Preto, BrazilHQ recorded Sep 17, 2026	51-200	36 contacts →
	Exact match “Somos uma indústria de produtos para tratamento de água para consumo humano e animal, processos industriais e desinfecção de alimentos e ambientes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Ecopolo Gestão DE Águas, Resíduos E Energia Ltda	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	201-500	34 contacts →
	Exact match “A Ecopolo é uma empresa pertencente ao GRUPO GPS especializada no desenvolvimento, implantação e operação de sistemas de tratamento de água e efluentes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Sultech Water Treatment Systems	Exact match	Cachoeirinha, BrazilHQ recorded Sep 17, 2026	11-50	31 contacts →
	Exact match “A traditional manufacturer and supplier of hospital medical water treatment solutions in southern Brazil, SULTECH specializes in iron and manganese removal, slowdown…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	CSJ	Exact match	Jundiaí, BrazilHQ recorded Sep 17, 2026	51-200	30 contacts →
	Exact match “A Companhia Saneamento de Jundiaí construiu e opera a maior Estação de Tratamento de Esgoto do município, desde 1996.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	SÃO Gabriel Saneamento	Exact match	São Gabriel, BrazilHQ recorded Sep 17, 2026	51-200	30 contacts →
	Exact match “A São Gabriel Saneamento é a concessionária responsável pelo abastecimento de água, coleta e tratamento de esgoto na cidade de São Gabriel, região do Pampa Gaúcho no Rio Grande do…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “municipal water treatment contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 329 municipal water treatment contractors based in Brazil

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Municipal water treatment contractors based in Brazil at a glance

As of Sep 17, 2026

15.7%Verified-email coverage

51.7Average contacts per company

11-50Median size (employees)

12.5%Largest-city concentration · Sao Paulo

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

141

11-50

115

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 329 companies.

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.
What qualifies: Company records associated with Brazil whose business descriptions match “municipal water treatment 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,674 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 September 17, 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.

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 “municipal water treatment contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many municipal water treatment contractors are there based in Brazil?

RevenueBase identified 329 company matches for municipal water treatment contractors associated with Brazil as of September 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?

Sabesp tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most municipal water treatment contractors?

Sao Paulo leads with 41 company records, followed by Rio De Janeiro (12) and Curitiba (10).

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 2,674 professional contacts with verified work emails tracked across these 329 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 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 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.