CNAE 4222-7/01 · Rio de Janeiro (RJ)
Construção de redes de abastecimento de água, coleta de esgoto e construções correlatas, exceto obras de irrigação in Rio de Janeiro (RJ)
85 active companies are headquartered in Rio de Janeiro (RJ) with this CNAE as their main activity. They represent 2.6% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 3,308 · Rio de Janeiro 170
What this list shows
We count each active company once, by its head office in the city 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 Rio de Janeiro (RJ)
- 85
- 2.6% of Brazil's
- Of every 100 companies in Rio de Janeiro (RJ)
- 0.0
- do this activity
- Among Rio de Janeiro's cities
- 1st
- by companies in this activity
Active companies in Rio de Janeiro (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 3- SCR-SINALIZACAO E CONSERVACAO DE RODOVIAS LTDA.Rio de Janeiro (RJ)
- CONSTRUVERDE CONSTRUCOES E SERVICOS LTDARio de Janeiro (RJ)
- TRAVESSIA DIRECIONAL E SERVICOS DE ENGENHARIA LTDARio de Janeiro (RJ)
- CONSTRUTORA BRASIL INFRAESTRUTURA LTDARio de Janeiro (RJ)
- CYMI AGUAS ALAGOAS S.A.Rio de Janeiro (RJ)
- SPIL SERVICOS TECNICOS DE ENGENHARIA LTDARio de Janeiro (RJ)
- QUATTUOR ESTRUTURAS E SERVICOS DE ENGENHARIA LTDARio de Janeiro (RJ)
- BENZ ENGENHARIA LTDARio de Janeiro (RJ)
- CENTURY ENGENHARIA E EQUIPAMENTOS LTDARio de Janeiro (RJ)
- F.J.C CONSTRUTORA LTDARio de Janeiro (RJ)
- ACQUASERV SERVICOS TECNICOS LTDARio de Janeiro (RJ)
- CONSULTOP CONSULTORIA DE OBRAS PORTUARIAS LTDARio de Janeiro (RJ)
- PHOS ENGENHARIAS LTDARio de Janeiro (RJ)
- PROURBAN INFRAESTRUTURA E SANEAMENTO LTDARio de Janeiro (RJ)
- ENC INFRAESTRUTURA E CONSTRUCOES LTDARio de Janeiro (RJ)
- QRZ SERVICOS DE ENGENHARIA E CONSTRUCAO LTDARio de Janeiro (RJ)
- VXS INFRAESTRUTURA LTDARio de Janeiro (RJ)
- MAIS QUE IRMAOS VENDAS E SERVICOS EM GERAL LTDARio de Janeiro (RJ)
- RRS ENGENHARIA E COMERCIO DE EQUIPAMENTOS LTDARio de Janeiro (RJ)
- CONE RIO CONSTRUCOES E INTALACOES LTDARio de Janeiro (RJ)
- B2S ESTUDOS E PROJETOS LTDARio de Janeiro (RJ)
- ACNT ENGENHARIA E ASSESSORIA TECNOLOGICA LTDARio de Janeiro (RJ)
- THENO CONSTRUCOES LTDARio de Janeiro (RJ)
- MH ENGENHARIA E PROJETOS LTDARio de Janeiro (RJ)
- CONSTRUVERDE CONSTRUCOES E SERVICOS SCP 1Rio de Janeiro (RJ)
- NEXXUS ENGENHARIA E CONSULTORIA LTDA SCP OBRA DE SANEAMENTORio de Janeiro (RJ)
- RRS SERVICOS TECNICOS ESPECIALIZADOS LTDARio de Janeiro (RJ)
- H30 SANEAMENTO LTDARio de Janeiro (RJ)
- MPX SOLUCOES EM OBRAS LTDARio de Janeiro (RJ)
- MOHO ENGENHARIA LTDARio de Janeiro (RJ)
List limited to 85 companies, 30 per page. Looking for a specific company? Search by name or CNPJ.
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
- Rio de Janeiro (RJ)0.0
- Rio de Janeiro0.0
- Brazil0.0
In Rio de Janeiro (RJ), the activity weighs less than in Brazil.
Rio de Janeiro's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Rio de Janeiro 50.0% 85
- 2 Niterói 10.6% 18
- 3 Campos dos Goytacazes 7.1% 12
- 4 São Gonçalo 5.3% 9
- 5 Nova Iguaçu 4.1% 7
- 6 Araruama 2.4% 4
- 7 Duque de Caxias 2.4% 4
- 8 Maricá 1.8% 3
- 9 Resende 1.8% 3
- 10 São João de Meriti 1.8% 3
19 more cities
- 11 Cabo Frio 2
- 12 Paraty 2
- 13 São Pedro da Aldeia 2
- 14 Macuco 1
- 15 São Francisco de Itabapoana 1
- 16 Guapimirim 1
- 17 Rio das Ostras 1
- 18 Barra Mansa 1
- 19 Itaboraí 1
- 20 Itaguaí 1
- 21 Macaé 1
- 22 Magé 1
- 23 Nilópolis 1
- 24 Nova Friburgo 1
- 25 Paracambi 1
- 26 Rio Bonito 1
- 27 Rio Claro 1
- 28 São João da Barra 1
- 29 Silva Jardim 1
Class 4222-7 in Rio de Janeiro (RJ)
construção de redes de abastecimento de água, coleta de esgoto e construções correlatas, by subclass| Subclass | Active |
|---|---|
| 4222-7/01 Construção de redes de abastecimento de água, coleta de esgoto e construções correlatas, exceto obras de irrigação · this one | 85 |
| 4222-7/02 Obras de irrigação | 3 |
Close to this: 7112-0/00 · Serviços de engenharia, 7,230 companies in Rio de Janeiro (RJ).
What activity 4222-7/01 is
- A construção de sistemas para o abastecimento de água tratada: reservatórios de distribuição, estações elevatórias de bombeamento, linhas principais de adução de longa e média distância e redes de distribuição de água
- A construção de redes de coleta de esgoto, inclusive de interceptores
- A construção de estações de tratamento de esgoto (ETE)
Frequently asked questions
How many companies have main CNAE 4222-7/01 in Rio de Janeiro (RJ)?
85 active companies have CNAE 4222-7/01 as their main activity in Rio de Janeiro (RJ), 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 Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 85, 50.0% of the state's companies in this activity.
Why can this total differ from the companies operating in the city?
This scope counts active companies by their head office and registered main activity. A company may operate in the city 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 Rio de Janeiro (RJ).