CNAE 4399-1/05 · Rio Grande do Sul
Drilling and construction of water wells in Rio Grande do Sul
190 active companies are headquartered in Rio Grande do Sul with this CNAE as their main activity. They represent 3.5% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 5,395
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
- 190
- 3.5% of Brazil's
- Of every 100 companies in Rio Grande do Sul
- 0.0
- do this activity
- Among Brazil's federative units
- 10th
- 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 2 of 7- NOROESTE PERFURACAO E DETONACAO LTDATenente Portela (RS)
- HIDROPAMPA LTDASanto Augusto (RS)
- R S PERFURACAO DE POCOS ARTESIANOS LTDAIvoti (RS)
- AQUIFERO MANUTENCAO E PERFURACAO DE POCOS ARTESIANOS LTDAMontenegro (RS)
- TERRAGUA GEOLOGIA E MEIO AMBIENTE LTDAPorto Alegre (RS)
- DIEHL & CIA. LTDAEstrela (RS)
- MANANCIAL POCOS ARTESIANOS LTDATapejara (RS)
- MAKOSKI POCOS ARTESIANOS LTDASeberi (RS)
- ALBIERO SERVICOS DE POCOS ARTESIANOS LTDASão Miguel das Missões (RS)
- RB MATERIAIS DE CONSTRUCAO LTDAVenâncio Aires (RS)
- GUGA POCOS LTDA.Camaquã (RS)
- GEOX POCOS ARTESIANOS LTDAFarroupilha (RS)
- DENIS EDUARDO DE SOUZA & CIA LTDAGravataí (RS)
- PERFURACOES HD LTDACaxias do Sul (RS)
- RN CORTES E PERFURACOES LTDAFarroupilha (RS)
- JONATHAN SCHUSTER RODRIGUES LTDASão Pedro do Sul (RS)
- JP POCOS LTDAParobé (RS)
- CAI PERFURACOES DE POCOS ARTESIANOS E CONSULTORIA GEOAMBIENTAL LTDASão Sebastião do Caí (RS)
- TELMA RODRIGUES CORREA LTDACapela de Santana (RS)
- HW SERVICOS LTDAIvoti (RS)
- MERCADO DA AGUA LTDAPorto Alegre (RS)
- RB POCOS ARTESIANOS LTDAVenâncio Aires (RS)
- POCOS REALEZA LTDAMariana Pimentel (RS)
- FRONTEIRA POCOS LTDASant'Ana do Livramento (RS)
- FB POCOS ARTESIANOS LTDAErechim (RS)
- MORGENTAL & FONTANA LTDASanta Maria (RS)
- GEO H2O PERFURACAO DE POCOS ARTESIANOS LTDACaxias do Sul (RS)
- BF POCOS ARTESIANOS LTDATapejara (RS)
- L. T. PERFURACOES DE POCOS ARTESIANOS LTDACanela (RS)
- ROSSI TERRAPLANAGEM LTDAMaximiliano de Almeida (RS)
List limited to 190 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 less than 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 Tapejara 4.7% 9
- 2 Porto Alegre 4.2% 8
- 3 Gravataí 3.7% 7
- 4 Novo Hamburgo 3.7% 7
- 5 Canoas 3.2% 6
- 6 Capela de Santana 2.6% 5
- 7 Montenegro 2.6% 5
- 8 Viamão 2.6% 5
- 9 Passo Fundo 2.1% 4
- 10 Pelotas 2.1% 4
20 more cities
- 11 Sant'Ana do Livramento 4
- 12 São Sebastião do Caí 4
- 13 Parobé 4
- 14 Cachoeirinha 3
- 15 Campo Bom 3
- 16 Erechim 3
- 17 Garibaldi 3
- 18 Uruguaiana 3
- 19 Venâncio Aires 3
- 20 Teutônia 3
- 21 Capivari do Sul 2
- 22 Chuí 2
- 23 Xangri-lá 2
- 24 São Miguel das Missões 2
- 25 Canela 2
- 26 Caxias do Sul 2
- 27 Dom Feliciano 2
- 28 Estrela 2
- 29 Farroupilha 2
- 30 Igrejinha 2
Class 4399-1 in Rio Grande do Sul
serviços especializados para construção não especificados anteriormente, by subclass| Subclass | Active |
|---|---|
| 4399-1/01 Construction management | 788 |
| 4399-1/02 Erection and dismantling of scaffolding and other temporary structures | 77 |
| 4399-1/03 Masonry works | 57,198 |
| 4399-1/04 Operation and supply of equipment for lifting loads and people on construction sites | 195 |
| 4399-1/05 Drilling and construction of water wells · this one | 190 |
| 4399-1/99 Specialized construction services not elsewhere classified | 2,426 |
What activity 4399-1/05 is
- A perfuração e construção de poços de água
Frequently asked questions
How many companies have main CNAE 4399-1/05 in Rio Grande do Sul?
190 active companies have CNAE 4399-1/05 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?
Tapejara, with 9, 4.7% 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.