CNAE 4391-6/00 · São Paulo
Foundation works in São Paulo
914 active companies are headquartered in São Paulo with this CNAE as their main activity. They represent 34.9% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 2,618
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 São Paulo
- 914
- 34.9% of Brazil's
- Of every 100 companies in São Paulo
- 0.0
- do this activity
- Among Brazil's federative units
- 1st
- by companies in this activity
Active companies in São Paulo
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 3 of 10- KOIZIMI CONSTRUCOES E COMERCIO LTDASão Carlos (SP)
- GEOTECNA SERVICOS ESPECIALIZADOS LTDA.São Paulo (SP)
- TRIO FUNDACOES LTDASão Paulo (SP)
- SC FUNDACOES E LOCACOES DE EQUIPAMENTOS E BOMBAS DE CONCRETOS LTDASão Paulo (SP)
- FERA CONSTRUTORA GEOTECNIA E FUNDACOES LTDASão José dos Campos (SP)
- CONSTRUX INC LTDASão Paulo (SP)
- FABECON ENGENHARIA E CONSTRUCAO CIVIL LTDAOsasco (SP)
- TECNITORK ENGENHARIA LTDACampinas (SP)
- NORTHSUL CONSULTORIA E INCORPORADORA LTDASão Paulo (SP)
- C R D FUNDACOES ESPECIAIS LTDAIbaté (SP)
- SANETEC PERFURACOES LTDAMairiporã (SP)
- GEOESP GEOTECNIA E FUNDACOES LTDAAmericana (SP)
- ROCO PERFURACOES LTDAItápolis (SP)
- JF FUNDACOES E LOCACOES LTDACajamar (SP)
- STACK - ENGENHARIA E FUNDACOES LTDA.Nova Odessa (SP)
- FENIX -LOCACAO, SERVICOS E COMERCIO LTDASão Vicente (SP)
- FUNDAC FUNDACOES ESPECIAIS LTDAGuarulhos (SP)
- JD FUNDACOES LTDAAtibaia (SP)
- GEOMAR FUNDACOES ESPECIAIS LTDAIbaté (SP)
- CONSGRAUT ENGENHARIA LTDA.Guarulhos (SP)
- LOAD TEST LOCACAO DE EQUIPAMENTOS PARA PDA LTDAMairinque (SP)
- JUNDBASE ENGENHARIA LTDAJundiaí (SP)
- AS GEOTECNIA, MEIO AMBIENTE E POCOS ARTESIANOS LTDASão Paulo (SP)
- P S LOPES ESTAQUEAMENTOS LTDAJacareí (SP)
- AGOS SERVICOS AUXILIARES DA CONSTRUCAO LTDASão Bernardo do Campo (SP)
- TECJAP COMERCIO MANUTENCAO E INSTALACOES LTDASão José dos Campos (SP)
- PROENG GEOTECNIA E FUNDACOES LTDASanto André (SP)
- H.V.S. FUNDACAO E SONDAGEM LTDAIndaiatuba (SP)
- W.R. CONSTRUTORA MARIUTTI LTDASão Paulo (SP)
- JJLIMA GEOTECNIA LTDASão Paulo (SP)
List limited to 300 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
- São Paulo0.0
- Brazil0.0
In São Paulo, the activity weighs 1.1 times what it does in Brazil.
São Paulo's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Paulo 38.3% 350
- 2 São José do Rio Preto 2.6% 24
- 3 Campinas 2.4% 22
- 4 Guarulhos 2.3% 21
- 5 Ribeirão Preto 2.2% 20
- 6 Barueri 1.9% 17
- 7 São José dos Campos 1.8% 16
- 8 Cotia 1.6% 15
- 9 São Bernardo do Campo 1.3% 12
- 10 Taboão da Serra 1.3% 12
20 more cities
- 11 Sorocaba 11
- 12 Hortolândia 10
- 13 Indaiatuba 10
- 14 Osasco 10
- 15 Suzano 10
- 16 Santo André 9
- 17 Americana 8
- 18 Cajamar 8
- 19 Diadema 8
- 20 Ibaté 8
- 21 Itapevi 8
- 22 Sertãozinho 8
- 23 Embu das Artes 7
- 24 Itaquaquecetuba 7
- 25 Santana de Parnaíba 7
- 26 Caraguatatuba 6
- 27 Itupeva 6
- 28 Jundiaí 6
- 29 Piracicaba 6
- 30 Rio Claro 6
Class 4391-6 in São Paulo
obras de fundações, by subclassClose to this: 4313-4/00 · Earthmoving works, 3,779 companies in São Paulo.
What activity 4391-6/00 is
- A execução de fundações diversas para edifícios e outras obras de engenharia civil, inclusive a cravação de estacas
- A execução de reforço de fundações para edifícios e outras obras de engenharia civil
- O aluguel, com operador, de equipamentos para execução de fundações
Frequently asked questions
How many companies have main CNAE 4391-6/00 in São Paulo?
914 active companies have CNAE 4391-6/00 as their main activity in São Paulo, 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 São Paulo's cities has the most companies in this activity?
São Paulo, with 350, 38.3% 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 São Paulo.