CNAE 4322-3/01 · São Luís (MA)
Instalações hidráulicas, sanitárias e de gás in São Luís (MA)
117 active companies are headquartered in São Luís (MA) with this CNAE as their main activity. They represent 0.3% 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 São Luís (MA)
- 117
- 0.3% of Brazil's
- Of every 100 companies in São Luís (MA)
- 0.1
- do this activity
- Among Maranhão's cities
- 1st
- by companies in this activity
Active companies in São Luís (MA)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 4- L A P DA LUZ LTDASão Luís (MA)
- GLD CONSTRUTORA LTDASão Luís (MA)
- PEROLA SERVICOS E INSTALACOES LTDASão Luís (MA)
- INSTRUMENTEC S & C LTDASão Luís (MA)
- QUALITY SERVICOS DE INSTALACAO HIDRAULICA LTDASão Luís (MA)
- L L MACIEL LTDASão Luís (MA)
- MAR CONSTRUTORA LTDASão Luís (MA)
- METALMONTE COMERCIO E SERVICOS LTDASão Luís (MA)
- VIANA TECHNOS INCENDIO MONTAGEM DE SISTEMA DE COMBATE A INCENDIO LTDASão Luís (MA)
- COSTA E REIS COMERCIO E SERVICOS LTDASão Luís (MA)
- ELETRICA ANGELIM LTDASão Luís (MA)
- UNIPLAN ENGENHARIA E PLANEJAMENTO LTDASão Luís (MA)
- SUNLIGHT ENERGIA SOLAR LTDASão Luís (MA)
- M DE J BORGES PATRICIO LTDASão Luís (MA)
- 2B INSTALACOES DE GAS LTDASão Luís (MA)
- VALDIQUIS TEIXEIRA CARVALHO LTDASão Luís (MA)
- DIDI INDUSTRIA E COMERCIO LTDASão Luís (MA)
- F.F.GONCALVESSão Luís (MA)
- F W COSME DA SILVASão Luís (MA)
- M E HIFRAN - COMERCIO E SERVICOSSão Luís (MA)
- CELIA MARIA SANTOS DE SASão Luís (MA)
- A. PEREIRA DOS REISSão Luís (MA)
- J L J MOURASão Luís (MA)
- MARCO ANTONIO CALVET DE SOUSASão Luís (MA)
- R N DE S MADEIRASão Luís (MA)
- J H R SILVASão Luís (MA)
- JOSE DO NASCIMENTO LOPESSão Luís (MA)
- V PEREIRA DA SILVASão Luís (MA)
- LIVIA CRISTINA DA SILVA CRUZSão Luís (MA)
- BRENDON DOS SANTOSSão Luís (MA)
List limited to 117 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 Luís (MA)0.1
- Maranhão0.1
- Brazil0.1
In São Luís (MA), the activity weighs less than in Brazil.
Maranhão's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Luís 45.5% 117
- 2 Imperatriz 9.3% 24
- 3 São José de Ribamar 7.0% 18
- 4 Paço do Lumiar 5.8% 15
- 5 Timon 3.9% 10
- 6 Santa Inês 2.3% 6
- 7 Açailândia 2.3% 6
- 8 Raposa 1.6% 4
- 9 Arari 1.2% 3
- 10 Bacabal 1.2% 3
20 more cities
- 11 Caxias 3
- 12 Codó 3
- 13 Lago da Pedra 3
- 14 Pedreiras 3
- 15 Porto Franco 3
- 16 Presidente Dutra 3
- 17 Davinópolis 2
- 18 Peritoró 2
- 19 Barreirinhas 2
- 20 Paraibano 2
- 21 Vitória do Mearim 2
- 22 Governador Edison Lobão 1
- 23 Governador Nunes Freire 1
- 24 Lago dos Rodrigues 1
- 25 Santana do Maranhão 1
- 26 Alcântara 1
- 27 Alto Parnaíba 1
- 28 Balsas 1
- 29 Barra do Corda 1
- 30 Buriti Bravo 1
Class 4322-3 in São Luís (MA)
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Instalações hidráulicas, sanitárias e de gás · this one | 117 |
| 4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração | 708 |
| 4322-3/03 Instalações de sistema de prevenção contra incêndio | 94 |
Close to this: 4321-5/00 · Instalação e manutenção elétrica, 1,210 companies in São Luís (MA).
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 São Luís (MA)?
117 active companies have CNAE 4322-3/01 as their main activity in São Luís (MA), 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 Maranhão's cities has the most companies in this activity?
São Luís, with 117, 45.5% 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 São Luís (MA).