CNAE 4322-3/01 · Diadema (SP)
Instalações hidráulicas, sanitárias e de gás in Diadema (SP)
61 active companies are headquartered in Diadema (SP) with this CNAE as their main activity. They represent 0.2% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
What this list shows
We count each active company once, by its head office in the city 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 Diadema (SP)
- 61
- 0.2% of Brazil's
- Of every 100 companies in Diadema (SP)
- 0.1
- do this activity
- Among São Paulo's cities
- 41st
- by companies in this activity
Active companies in Diadema (SP)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 3- JMR INSTALACOES ELETRICAS LTDADiadema (SP)
- DEMOLIDORA CAETANO E REFORMAS LTDADiadema (SP)
- VAZALUX VAZAMENTOS INOVA SIMPLES (I.S.)Diadema (SP)
- MASTER HIDRO INSTALACOES HIDRAULICAS LTDADiadema (SP)
- EMPREITEIRA DE OBRAS PSL LTDADiadema (SP)
- JVL VARJAO SERVICOS HIDRAULICOS LTDADiadema (SP)
- SOUZA SERVICE GAS LTDADiadema (SP)
- LR HIDROSERVICOS LTDADiadema (SP)
- COBGAS SERVICOS DE TUBULACAO DE GAS LTDADiadema (SP)
- SAMOEL JEAN DOS SANTOSDiadema (SP)
- NORIVAL HENRIQUE DE OLIVEIRA FILHODiadema (SP)
- DOUGLAS ALVES DOS SANTOSDiadema (SP)
- ADALGIZO DIASDiadema (SP)
- DAVID LOPES DA SILVADiadema (SP)
- RONALDO DO NASCIMENTO FERREIRADiadema (SP)
- VALDEMIR LIMA DA SILVADiadema (SP)
- ARIELSON DE ALMEIDA MOTADiadema (SP)
- GENTIL DOMINGOS DA SILVA JUNIORDiadema (SP)
- WILLIAM FERREIRA SILVADiadema (SP)
- JOAO PAULA MACHADODiadema (SP)
- CLAUDIO OLIVEIRA GONCALVESDiadema (SP)
- ROQUE SILVA DE SOUZADiadema (SP)
- CARLOS EDUARDO FERREIRA ALMEIDADiadema (SP)
- AGNALDO SILVA SANTOSDiadema (SP)
- SIDIVAL MARINHO DOS RAMOSDiadema (SP)
- ALEANDRO RIBEIRO DOS SANTOSDiadema (SP)
- DOUGLAS CARVALHO MOREIRADiadema (SP)
- VINICIOS ENRIQUE SANTOS BRANDAO SILVADiadema (SP)
- REGINALDO DA SILVADiadema (SP)
- ERIKA FERNANDES BUENO PITOLDiadema (SP)
List limited to 61 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
- Diadema (SP)0.1
- São Paulo0.1
- Brazil0.1
In Diadema (SP), the activity weighs less than 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 30.7% 3,789
- 2 Ribeirão Preto 3.1% 387
- 3 Campinas 3.1% 384
- 4 Sorocaba 2.2% 267
- 5 São José dos Campos 2.1% 255
- 6 Guarulhos 2.0% 248
- 7 Bauru 1.6% 194
- 8 São José do Rio Preto 1.4% 176
- 9 Piracicaba 1.4% 171
- 10 Osasco 1.3% 166
20 more cities
- 11 Santo André 145
- 12 Guarujá 142
- 13 Praia Grande 137
- 14 Franca 128
- 15 São Bernardo do Campo 126
- 16 Carapicuíba 125
- 17 Mogi das Cruzes 119
- 18 Mauá 117
- 19 Itaquaquecetuba 107
- 20 Presidente Prudente 104
- 21 Sumaré 101
- 22 Suzano 100
- 23 Araraquara 99
- 24 Indaiatuba 99
- 25 São Vicente 97
- 26 Cotia 95
- 27 Hortolândia 94
- 28 São Carlos 90
- 29 Limeira 86
- 30 Jundiaí 83
Class 4322-3 in Diadema (SP)
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Instalações hidráulicas, sanitárias e de gás · this one | 61 |
| 4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração | 165 |
| 4322-3/03 Instalações de sistema de prevenção contra incêndio | 39 |
Close to this: 4321-5/00 · Instalação e manutenção elétrica, 798 companies in Diadema (SP).
What activity 4322-3/01 is
- A instalação, alteração, manutenção e reparo em todos os tipos de construções de: #- sistemas de aquecimento (coletor solar, gás e óleo), exceto elétricos #- equipamentos hidráulicos e sanitários #- ligações de gás #- tubulações de vapor
- A instalação, alteração, manutenção e reparo de rede para distribuição de gases e fluídos diversos (p. ex., oxigênio nos hospitais)
Frequently asked questions
How many companies have main CNAE 4322-3/01 in Diadema (SP)?
61 active companies have CNAE 4322-3/01 as their main activity in Diadema (SP), according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.1 in Brazil.
Which of São Paulo's cities has the most companies in this activity?
São Paulo, with 3,789, 30.7% of the state's companies in this activity.
Why can this total differ from the companies operating in the city?
This scope counts active companies by their head office and registered main activity. A company may operate in the city 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 Diadema (SP).