CNAE 4330-4/01 · Rio de Janeiro
Waterproofing in civil engineering works in Rio de Janeiro
189 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 7.8% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 2,419
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 Rio de Janeiro
- 189
- 7.8% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.0
- do this activity
- Among Brazil's federative units
- 5th
- by companies in this activity
Active companies in Rio de Janeiro
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 2 of 7- DUBENNET PREDIAL LTDARio de Janeiro (RJ)
- KM IMPERMEABILIZANTES LTDANiterói (RJ)
- RJR IMPERMEABILIZACAO CONSTRUCAO E REFORMAS EM GERAL LTDADuque de Caxias (RJ)
- AGUIAS SERVICOS E MANUTENCAO LTDASão João de Meriti (RJ)
- IMPERMAC SERVICOS DE IMPERMEABILIZACOES LTDAMacaé (RJ)
- SOLVE SERVICOS LTDARio de Janeiro (RJ)
- C LUIZ DE SOUZA BARRETO LTDACampos dos Goytacazes (RJ)
- TINOCO ANTICORROSAO LTDARio de Janeiro (RJ)
- ELCIMPER IMPERMEABILIZACOES LTDARio de Janeiro (RJ)
- AGM CONSULTORIA IMPERMEABILIZACAO E SERVICOS LTDARio de Janeiro (RJ)
- FIEL LIMPEZA DE CAIXAS D'AGUA LTDARio de Janeiro (RJ)
- JB IMPERMEABILIZACAO E REPAROS 2018 LTDARio de Janeiro (RJ)
- INJEMAST IMPERMEABILIZACOES E SERVICOS LTDARio de Janeiro (RJ)
- MANUTENCAO PREDIAL RM FERREIRA LTDARio de Janeiro (RJ)
- IMPERTEC SOLUCOES EM GEOSSINTETICOS LTDANiterói (RJ)
- FIEL IMPERMEABILIZACAO DE CAIXAS D'AGUA LTDARio de Janeiro (RJ)
- NEOFORT IMPERMEABILIZANTES E COMERCIO LTDARio de Janeiro (RJ)
- AF IMPERMEABILIZACOES LTDARio de Janeiro (RJ)
- RIGEL ENGENHARIA E IMPERMEABILIZACOES LTDARio de Janeiro (RJ)
- ENGENARQ CONSTRUCAO LTDARio de Janeiro (RJ)
- ALMAR IMPER ENGENHARIA LTDARio de Janeiro (RJ)
- B M UCHOA LAMINADOS E INJETADOS EM FIBRA DE VIDRO LTDANova Iguaçu (RJ)
- EFSILVA CONSTRUCAO E MANUTENCAO LTDARio de Janeiro (RJ)
- FR MATERIAIS DE IMPERMEABILIZACAO LTDARio de Janeiro (RJ)
- AXION 777 GESTAO & SERVICOS LTDADuque de Caxias (RJ)
- FIEL SOLUCOES PARA CAIXAS D AGUA LTDARio de Janeiro (RJ)
- FIEL SOLUCOES PARA CAIXA D AGUA LTDARio de Janeiro (RJ)
- NORVEK SOLUCOES LTDANiterói (RJ)
- FIEL SERVICOS PARA CAIXAS D'AGUA LTDASão João de Meriti (RJ)
- T. R. FERRAZ TECNOLOGIA EM IMPERMEABILIZACAO LTDABarra Mansa (RJ)
List limited to 189 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 Janeiro0.0
- Brazil0.0
In Rio de Janeiro, the activity weighs what it does 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 59.3% 112
- 2 Niterói 10.1% 19
- 3 Nova Iguaçu 4.8% 9
- 4 Duque de Caxias 3.2% 6
- 5 Barra Mansa 2.6% 5
- 6 Cabo Frio 2.6% 5
- 7 São Gonçalo 2.6% 5
- 8 Belford Roxo 1.6% 3
- 9 Itaboraí 1.6% 3
- 10 Macaé 1.6% 3
12 more cities
- 11 São João de Meriti 3
- 12 Barra do Piraí 2
- 13 Paracambi 2
- 14 Petrópolis 2
- 15 Teresópolis 2
- 16 Volta Redonda 2
- 17 Queimados 1
- 18 Campos dos Goytacazes 1
- 19 Magé 1
- 20 Saquarema 1
- 21 Três Rios 1
- 22 Arraial do Cabo 1
Class 4330-4 in Rio de Janeiro
obras de acabamento, by subclass| Subclass | Active |
|---|---|
| 4330-4/01 Waterproofing in civil engineering works · this one | 189 |
| 4330-4/02 Installation of doors, windows, ceilings, partitions and built-in cabinets of any material | 1,679 |
| 4330-4/03 Plaster and stucco finishing works | 3,380 |
| 4330-4/04 Building painting services | 13,811 |
| 4330-4/05 Application of coverings and resins on interiors and exteriors | 2,665 |
| 4330-4/99 Other building finishing works | 4,149 |
Close to this: 4330-4/05 · Application of coverings and resins on interiors and exteriors, 2,665 companies in Rio de Janeiro.
What activity 4330-4/01 is
- A impermeabilização em edifícios e outras obras de engenharia civil
Frequently asked questions
How many companies have main CNAE 4330-4/01 in Rio de Janeiro?
189 active companies have CNAE 4330-4/01 as their main activity in Rio de Janeiro, 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 112, 59.3% 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 Rio de Janeiro.