CNAE 4322-3/02 · Grajaú (MA)
Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração in Grajaú (MA)
12 active companies are headquartered in Grajaú (MA) with this CNAE as their main activity. They represent less than 0.1% 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 Grajaú (MA)
- 12
- less than 0.1% of Brazil's
- Of every 100 companies in Grajaú (MA)
- 0.4
- do this activity
- Among Maranhão's cities
- 20th
- by companies in this activity
Active companies in Grajaú (MA)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- REFRICAR CLIMATIZACAO LTDAGrajaú (MA)
- D L CARDOSO - REFRIGERACAOGrajaú (MA)
- KERLYSON PEREIRA DE SOUSAGrajaú (MA)
- PEDRO PEREIRA DE ARAUJOGrajaú (MA)
- RICARDO B. O. PEREIRAGrajaú (MA)
- RICARDO ALEXANDRE FARIAS NOGUEIRAGrajaú (MA)
- WESLEY SANTOS DE SOUSAGrajaú (MA)
- MARCIO ALENCAR DOS SANTOSGrajaú (MA)
- EZEQUIEL RODRIGUES DE SOUSA NETOGrajaú (MA)
- POLIANA MARCIEL DE ALMEIDAGrajaú (MA)
- WESLLEY SILVA SANTOSGrajaú (MA)
- CARLOS ALBERTO DA SILVA MELOGrajaú (MA)
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
- Grajaú (MA)0.4
- Maranhão0.6
- Brazil0.4
In Grajaú (MA), the activity weighs what it does 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 33.3% 708
- 2 Imperatriz 10.1% 214
- 3 São José de Ribamar 6.0% 127
- 4 Timon 4.3% 92
- 5 Balsas 2.9% 61
- 6 Paço do Lumiar 2.9% 61
- 7 Açailândia 2.2% 46
- 8 Caxias 1.7% 36
- 9 Bacabal 1.6% 35
- 10 Codó 1.5% 31
20 more cities
- 11 Santa Inês 24
- 12 Barra do Corda 23
- 13 Estreito 20
- 14 Pinheiro 19
- 15 Barreirinhas 18
- 16 Itapecuru Mirim 14
- 17 Chapadinha 13
- 18 Coroatá 13
- 19 Raposa 12
- 20 Grajaú 12
- 21 Porto Franco 12
- 22 Presidente Dutra 12
- 23 Santa Luzia 12
- 24 Carolina 11
- 25 Alto Parnaíba 10
- 26 Colinas 10
- 27 Lago da Pedra 10
- 28 Tutóia 10
- 29 Buriticupu 9
- 30 Arari 9
Class 4322-3 in Grajaú (MA)
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active |
|---|---|
| 4322-3/01 Instalações hidráulicas, sanitárias e de gás | 0 |
| 4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração · this one | 12 |
| 4322-3/03 Instalações de sistema de prevenção contra incêndio | 0 |
What activity 4322-3/02 is
- A instalação, alteração, manutenção e reparo em todos os tipos de construções de:
- Sistemas de refrigeração central, quando não realizados pela unidade fabricante
- Sistemas de ventilação mecânica controlada, inclusive exaustores
Frequently asked questions
How many companies have main CNAE 4322-3/02 in Grajaú (MA)?
12 active companies have CNAE 4322-3/02 as their main activity in Grajaú (MA), according to the Receita Federal's October 2026 publication. That is 0.4 of every 100 companies there, against 0.4 in Brazil.
Which of Maranhão's cities has the most companies in this activity?
São Luís, with 708, 33.3% 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 Grajaú (MA).