CNAE 3600-6/01 · Piauí
Captação, tratamento e distribuição de água in Piauí
25 active companies are headquartered in Piauí with this CNAE as their main activity. They represent 1.5% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 1,686
What this list shows
We count each active company once, by its head office in this state and this CNAE as its main activity. Branches and secondary activities are excluded from this scope. The total describes the registry, not market revenue or company quality.
- Companies in Piauí
- 25
- 1.5% of Brazil's
- Of every 100 companies in Piauí
- 0.0
- do this activity
- Among Brazil's federative units
- 17th
- by companies in this activity
Active companies in Piauí
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- AGUAS E ESGOTOS DO PIAUI SATeresina (PI)
- AGUAS DE TERESINA SANEAMENTO SPE S.A.Teresina (PI)
- AGUAS DO PIAUI SPE S.A.Teresina (PI)
- TERRA AMBIENTAL LTDAPedro II (PI)
- AVANT SOLUCOES AMBIENTAIS LTDATeresina (PI)
- EXITO AMBIENTAL LTDATeresina (PI)
- CONSTRUTORA GB BARROS LTDATeresina (PI)
- SOLUCOES DE AGUAS E ABASTECIMENTO DE PORTO SPE LTDAPorto (PI)
- AURUM SANEAMENTO E PARTICIPACOES LTDATeresina (PI)
- SOLUCOES DE AGUAS E ABASTECIMENTO DE LANDRI SALES SPE LTDA.Landri Sales (PI)
- TECHNICS - SERVICOS TECNICOS TERCEIRIZADOS LTDATeresina (PI)
- COMPANHIA DE ABASTECIMENTO DE AGUA E ESGOTAMENTO SANITARIO DE ANTONIO ALMEIDA SPE S/AAntônio Almeida (PI)
- SERVICO AUTONOMO DE AGUA E ESGOTOCampo Maior (PI)
- SERVICO AUTONOMO DE AGUA E ESGOTO DE UNIAOUnião (PI)
- FUNDO MUNICIPAL DE DEFESA DO MEIO AMBIENTE DO MUNICIPIO DE VALENCA DO PIAUIValença do Piauí (PI)
- COMPANHIA MUNICIPAL DE AGUA E ESGOTO DE REDENCAO DO GURGUEIA - AERGRedenção do Gurguéia (PI)
- SERVICO AUTONOMO DE AGUA E ESGOTO DO MUNICIPIO DE BURITI DOS MONTESBuriti dos Montes (PI)
- SERVICO AUTONOMO DE AGUA E ESGOTO DE BOQUEIRAO DO PIAUIBoqueirão do Piauí (PI)
- SERVICO AUTONOMO DE AGUA E ESGOTO - SAAEPorto Alegre do Piauí (PI)
- SERVICO AUTONOMO DE AGUA E ESGOTO (SAAE)Oeiras (PI)
- SERVICO AUTONOMO DE AGUA E ESGOTO DO MUNICIPIO DE ASSUNCAO DO PIAUI-PIAssunção do Piauí (PI)
- SERVICO AUTONOMO DE AGUA E ESGOTO (SAAE)Nazária (PI)
- MUNICIPIO DE BOM PRINCIPIO DO PIAUI- SERVICO AUTONOMO DE AGUAS E ESGOTOBom Princípio do Piauí (PI)
- IGO ESMERO LUZ E SOUSAJaicós (PI)
- R P OLIVEIRA EMPREENDIMENTOSCaracol (PI)
How to assess a company's data
When you open a company's record, use these guides to check the data and understand what each field can establish.
- How to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
- What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
- How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.
How much the activity weighs
of every 100 active companies, how many do this activity
- Piauí0.0
- Brazil0.0
In Piauí, the activity weighs 1.8 times what it does in Brazil.
Piauí's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Teresina 32.0% 8
- 2 Assunção do Piauí 4.0% 1
- 3 Boqueirão do Piauí 4.0% 1
- 4 Porto Alegre do Piauí 4.0% 1
- 5 Antônio Almeida 4.0% 1
- 6 Campo Maior 4.0% 1
- 7 Caracol 4.0% 1
- 8 Jaicós 4.0% 1
- 9 Landri Sales 4.0% 1
- 10 Oeiras 4.0% 1
8 more cities
- 11 Pedro II 1
- 12 Porto 1
- 13 Redenção do Gurguéia 1
- 14 Nazária 1
- 15 União 1
- 16 Valença do Piauí 1
- 17 Buriti dos Montes 1
- 18 Bom Princípio do Piauí 1
Class 3600-6 in Piauí
captação, tratamento e distribuição de água, by subclass| Subclass | Active |
|---|---|
| 3600-6/01 Captação, tratamento e distribuição de água · this one | 25 |
| 3600-6/02 Distribuição de água por caminhões | 73 |
Close to this: 0161-0/99 · Atividades de apoio à agricultura não especificadas anteriormente, 115 companies in Piauí.
What activity 3600-6/01 is
- A captação de água de chuva, rios, lagos, fontes, do subsolo, etc.
- O tratamento e purificação da água para fins de abastecimento, tais como: desinfecção, coagulação, floculação, decantação, filtração, correção do pH e fluoretação
- A armazenagem em reservatórios e a distribuição de água através de uma rede permanente de linhas, tubulações e dutos (instalações de infra-estrutura)
Frequently asked questions
How many companies have main CNAE 3600-6/01 in Piauí?
25 active companies have CNAE 3600-6/01 as their main activity in Piauí, according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.0 in Brazil.
Which of Piauí's cities has the most companies in this activity?
Teresina, with 8, 32.0% of the state's companies in this activity.
Why can this total differ from the companies operating in this state?
This scope counts active companies by their head office and registered main activity. A company may operate in this state through a branch or carry out the activity as a secondary activity and be excluded from the count. The registered address and CNAE do not establish every operating location or service.
Does active status mean a company is qualified for a contract?
No. Active status describes the Receita Federal registration. It does not establish tax compliance, creditworthiness, licences, ability to fulfil a contract or quality. Check the relevant official documents and the contract's requirements.
How we count
Active companies with this as their main activity, counted by head office in Piauí.