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CNAE 4322-3/02 · Rondônia

Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração in Rondônia

1,621 active companies are headquartered in Rondônia with this CNAE as their main activity. They represent 1.5% of Brazil's active companies with the same main activity.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

The same activity in Brazil 109,877

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 Rondônia
1,621
1.5% of Brazil's
Of every 100 companies in Rondônia
1.0
do this activity
Among Brazil's federative units
19th
by companies in this activity

Active companies in Rondônia

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10

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 much the activity weighs

of every 100 active companies, how many do this activity

  1. Rondônia1.0
  2. Brazil0.4

In Rondônia, the activity weighs 2.4 times what it does in Brazil.

Rondônia's cities with the most companies in this activity

active companies and each city's share of the state

  1. 1 Porto Velho 33.8% 548
  2. 2 Ji-Paraná 12.0% 195
  3. 3 Cacoal 7.1% 115
  4. 4 Vilhena 6.2% 101
  5. 5 Ariquemes 6.0% 97
  6. 6 Rolim de Moura 4.3% 69
  7. 7 Pimenta Bueno 2.2% 36
  8. 8 Jaru 2.0% 32
  9. 9 Cerejeiras 1.9% 30
  10. 10 Candeias do Jamari 1.6% 26
20 more cities
  1. 11 Guajará-Mirim 25
  2. 12 Ouro Preto do Oeste 25
  3. 13 Espigão D'Oeste 24
  4. 14 Machadinho D'Oeste 23
  5. 15 São Miguel do Guaporé 18
  6. 16 Buritis 17
  7. 17 São Francisco do Guaporé 17
  8. 18 Colorado do Oeste 17
  9. 19 Alta Floresta D'Oeste 16
  10. 20 Nova Mamoré 14
  11. 21 Presidente Médici 13
  12. 22 Costa Marques 12
  13. 23 Alto Paraíso 12
  14. 24 Nova Brasilândia D'Oeste 11
  15. 25 Alvorada D'Oeste 10
  16. 26 Seringueiras 10
  17. 27 Cujubim 8
  18. 28 Monte Negro 8
  19. 29 Chupinguaia 7
  20. 30 São Felipe D'Oeste 7

Class 4322-3 in Rondônia

instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass
SubclassActive
4322-3/01 Instalações hidráulicas, sanitárias e de gás82
4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração · this one1,621
4322-3/03 Instalações de sistema de prevenção contra incêndio36

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

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4322-3/02 in Rondônia?

1,621 active companies have CNAE 4322-3/02 as their main activity in Rondônia, according to the Receita Federal's October 2026 publication. That is 1.0 of every 100 companies there, against 0.4 in Brazil.

Which of Rondônia's cities has the most companies in this activity?

Porto Velho, with 548, 33.8% 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 Rondônia.