CNAE 4330-4/01 · Brazil
Impermeabilização em obras de engenharia civil
2,419 active companies in the Brazilian CNPJ registry have this CNAE as their main activity. Look up companies and explore their distribution by state and city.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
What this list shows
We count each active company in the Brazilian CNPJ registry once, by its head office 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.
- Active companies
- 2,419
- 565th of 1,329 activities
- Opened in 12 months
- 207
- −1.9% · 585th by openings
- Of every 100 companies in the country
- 0.0
- do this activity
- Openings per 100 active
- 9
- in the country: 21
Active companies in this activity
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- IMPERMEAR ENGENHARIA LTDABelo Horizonte (MG)
- RECORD ENGENHARIA LTDAFortaleza (CE)
- ICIL ENGENHARIA LTDABelo Horizonte (MG)
- RENOVE SOLUCOES ESTRUTURAIS LTDAMaceió (AL)
- PENSACOLA COMERCIO, IMPORTACAO, EXPORTACAO E SERVICOS LTDACampinas (SP)
- IMSOLMANTA IMPERMEABILIZACOES E REPRESENTACOES LTDASão José dos Campos (SP)
- CONSTRUTORA G-MAIA S.ABelo Horizonte (MG)
- MSC SERVICOS E ENGENHARIA LTDABoa Vista (RR)
- FEFM IMPERMEABILIZACAO E ADMINISTRACAO LTDA.Niterói (RJ)
- LAM ISOLANTES TERMICOS LTDANova Odessa (SP)
- TDM - TECNOLOGIA DE MATERIAIS BRASIL LTDAJaguariúna (SP)
- BRAPE CONSTRUTORA LTDAPaudalho (PE)
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.
Where the companies are
Weight in each federative unit: of every 100 active companies, how many have this main activity
- 0.0
- 0.0
- 0.0
- 0.0
- 0.0
Federative units with the most companies
- 1 São Paulo 898
- 2 Paraná 196
- 3 Rio Grande do Sul 192
- 4 Santa Catarina 192
- 5 Rio de Janeiro 189
- 6 Minas Gerais 160
- 7 Goiás 99
- 8 Bahia 79
- 9 Distrito Federal 68
- 10 Pernambuco 57
See the 26 federative units
- 11 Espírito Santo 46
- 12 Ceará 39
- 13 Mato Grosso do Sul 30
- 14 Mato Grosso 30
- 15 Paraíba 28
- 16 Rio Grande do Norte 25
- 17 Maranhão 19
- 18 Pará 17
- 19 Alagoas 14
- 20 Sergipe 10
- 21 Amazonas 7
- 22 Piauí 7
- 23 Tocantins 4
- 24 Amapá 3
- 25 Rondônia 3
- 26 Roraima 1
Cities with the most companies
active companies by head office
- 1 São Paulo (SP) 410
- 2 Rio de Janeiro (RJ) 112
- 3 Curitiba (PR) 74
- 4 Brasília (DF) 68
- 5 Belo Horizonte (MG) 56
- 6 Porto Alegre (RS) 51
- 7 Recife (PE) 38
- 8 Goiânia (GO) 38
- 9 Salvador (BA) 32
- 10 Fortaleza (CE) 29
See the 30 cities
- 11 Ribeirão Preto (SP) 27
- 12 João Pessoa (PB) 25
- 13 Campinas (SP) 23
- 14 Bauru (SP) 22
- 15 Sorocaba (SP) 22
- 16 Londrina (PR) 22
- 17 Niterói (RJ) 19
- 18 São José (SC) 18
- 19 Campo Grande (MS) 17
- 20 Florianópolis (SC) 16
- 21 Vila Velha (ES) 15
- 22 Santo André (SP) 15
- 23 Aparecida de Goiânia (GO) 15
- 24 Barueri (SP) 14
- 25 Blumenau (SC) 14
- 26 Joinville (SC) 14
- 27 Natal (RN) 13
- 28 Vitória (ES) 13
- 29 Jundiaí (SP) 12
- 30 São Bernardo do Campo (SP) 12
What activity 4330-4/01 is
- Section F — Construção
- Division — Serviços especializados para construção
- Group — Obras de acabamento
- Class — Obras de acabamento
What it covers
- A impermeabilização em edifícios e outras obras de engenharia civil
What it does not cover
- A aplicação de revestimentos e de resinas em interiores e exteriores (4330-4/05)Classified under: 4330-4/05 Aplicação de revestimentos e de resinas em interiores e exteriores
Typical activities
- Impermeabilização de caixas d'água serviços de
- Obras de engenharia civil, impermeabilização de
- Paredes, caixas de água, piscina, etc., impermeabilização de
- Serviços de aplicação de argamassa impermeável
- Serviços de aplicação de manta asfáltica ou elastomérica em pisos e coberturas
- Serviços de impermeabilização de áreas molhadas
- Serviços de impermeabilização de piscinas, floreiras e jardineiras
- Serviços de impermeabilização de pisos
- Serviços de impermeabilização em juntas de dilatação ou estruturais
- Serviços de impermeabilização em lajes, coberturas, telhados, calhas
The activities of class 4330-4
obras de acabamento, by subclass| Subclass | Active | Openings | Change |
|---|---|---|---|
| 4330-4/01 Impermeabilização em obras de engenharia civil · this one | 2,419 | 207 | −1.9% |
| 4330-4/02 Instalação de portas, janelas, tetos, divisórias e armários embutidos de qualquer material | 23,050 | 3,991 | +10.4% |
| 4330-4/03 Obras de acabamento em gesso e estuque | 47,138 | 9,542 | +12.6% |
| 4330-4/04 Serviços de pintura de edifícios em geral | 202,456 | 44,911 | +11.2% |
| 4330-4/05 Aplicação de revestimentos e de resinas em interiores e exteriores | 42,354 | 10,074 | +15.2% |
| 4330-4/99 Outras obras de acabamento da construção | 41,596 | 7,535 | +12.0% |
Frequently asked questions about CNAE 4330-4/01
How many CNAE 4330-4/01 companies are there in Brazil?
2,419 active companies have CNAE 4330-4/01 as their main activity, according to the Receita Federal's October 2026 publication. It is 565th among the country's activities by companies.
Which activities make up class 4330-4?
Class 4330-4 has 6 subclasses: 4330-4/01; 4330-4/02; 4330-4/03; 4330-4/04; 4330-4/05; 4330-4/99. The official names are in the subclass table. A company declares one main activity and may declare others as secondary activities.
Which federative unit has the most companies in this activity?
São Paulo, with 898. There, 0.0 of every 100 active companies have this main activity, against 0.0 in the national registry.
Does this total include branches and secondary activities?
No. Each active company is counted once, by its head office and registered main activity. A company may carry out this activity as a secondary activity and be excluded from the count. Geographic distribution uses the registered location; records without a recognized federative unit may be counted nationally without appearing in local groups.
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 in the Brazilian CNPJ registry with this as their main activity, counted once by head office. Location is taken from the registry. Where available, openings are for the last 12 months, compared with the previous 12 months.