CNAE 4330-4/01 · Rio Grande do Sul

Impermeabilização em obras de engenharia civil in Rio Grande do Sul

192 active companies are headquartered in Rio Grande do Sul with this CNAE as their main activity. They represent 7.9% 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 Grande do Sul: 192; 7.9% of Brazil's
Of every 100 companies in Rio Grande do Sul: 0.0; do this activity
Among Brazil's federative units: 3rd; by companies in this activity

Active companies in Rio Grande do Sul

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 5 of 7

V. A. ROLOFF & CIA LTDACamaquã (RS)
E. BRUXEL & CIA LTDAArroio do Meio (RS)
ENGEFORCE ENGENHARIA LTDACaxias do Sul (RS)
CONCEITO SERVICE MANUTENCAO E REPAROS LTDAGuaíba (RS)
EDISON BECKER LTDAEstrela (RS)
IMPERMAX IMPERMEABILIZACAO LTDABento Gonçalves (RS)
BRUM ACABAMENTOS LTDAPasso Fundo (RS)
LISBOA VEDACOES E MANUTENCOES LTDACaxias do Sul (RS)
A. DUTRA DA ROSA LTDAPorto Alegre (RS)
VIANA IMPERMEABILIZACOES LTDAGramado (RS)
SS IMPERMEABILIZACOES LTDACaxias do Sul (RS)
IMPERMEABILIZACOES SCARIOT LTDACaxias do Sul (RS)
PROTECH SOLUCOES IMPERMEABILIZANTES LTDAPelotas (RS)
RH HIGIENIZACAO INDUSTRIAL LTDAErechim (RS)
BRASIL IMPERMEABILIZACAO EM GEOSSINTETICOS LTDANovo Hamburgo (RS)
IMPERMIX IMPERMEABILIZADORA LTDAPorto Alegre (RS)
CLAJS PINTURAS REFORMAS E REVESTIMENTOS LTDAPorto Alegre (RS)
IMPRESOL SERVICOS GERAIS LTDAPorto Alegre (RS)
IMPRESOL SERVICOS TECNICOS DE IMPERMEABILIZACAO, ISOLAMENTOS, REFORMAS E CONSTRUCAO CIVIL LTDA.Alvorada (RS)
MORAIS PRESTADORA DE SERVICOS DE PINTURA EM GERAL LTDAPasso Fundo (RS)
SOUZA E ALVARENGA & CIA LTDASanta Maria (RS)
CAMARGO MULTI SERVICOS E IMPERMEABILIZACAO LTDAViamão (RS)
TEIXEIRA & SCHENKEL - IMPERMEABILIZACOES LTDAPorto Alegre (RS)
MICHELENA ENGENHARIA LTDAPorto Alegre (RS)
A A IMPERTERM ENGENHARIA LTDAPorto Alegre (RS)
IMPERCON COMERCIO SERVICOS TECNICOS DE ENGENHARIA LTDAPorto Alegre (RS)
IMPRIMA SERVICOS DE IMPERMEABILIZACAO LTDAPorto Alegre (RS)
HERALDO ALVES MENDONCAPorto Alegre (RS)
ARTUR GRAEFF DE MELLOPasso Fundo (RS)
ALDAIR JOSE SAUERESSIGHorizontina (RS)

List limited to 192 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 Grande do Sul0.0
Brazil0.0

In Rio Grande do Sul, the activity weighs 1.3 times what it does in Brazil.

Rio Grande do Sul's cities with the most companies in this activity

active companies and each city's share of the state

1 Porto Alegre 26.6% 51
2 Caxias do Sul 6.2% 12
3 Bento Gonçalves 5.2% 10
4 Passo Fundo 4.2% 8
5 Novo Hamburgo 3.6% 7
6 Santa Cruz do Sul 3.6% 7
7 São Leopoldo 3.1% 6
8 Capão da Canoa 3.1% 6
9 Campo Bom 2.6% 5
10 Pelotas 2.6% 5

20 more cities

Class 4330-4 in Rio Grande do Sul

obras de acabamento, by subclass

Subclass	Active
4330-4/01 Impermeabilização em obras de engenharia civil · this one	192
4330-4/02 Instalação de portas, janelas, tetos, divisórias e armários embutidos de qualquer material	1,921
4330-4/03 Obras de acabamento em gesso e estuque	2,843
4330-4/04 Serviços de pintura de edifícios em geral	18,757
4330-4/05 Aplicação de revestimentos e de resinas em interiores e exteriores	3,943
4330-4/99 Outras obras de acabamento da construção	2,185

Close to this: 4330-4/05 · Aplicação de revestimentos e de resinas em interiores e exteriores, 3,943 companies in Rio Grande do Sul.

What activity 4330-4/01 is

A impermeabilização em edifícios e outras obras de engenharia civil

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4330-4/01 in Rio Grande do Sul?

192 active companies have CNAE 4330-4/01 as their main activity in Rio Grande do Sul, 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 Grande do Sul's cities has the most companies in this activity?

Porto Alegre, with 51, 26.6% 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 Grande do Sul.