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CNAE 4399-1/03 · Ouro Preto do Oeste (RO)

Obras de alvenaria in Ouro Preto do Oeste (RO)

149 active companies are headquartered in Ouro Preto do Oeste (RO) 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

The same activity in Brazil 614,649 · Rondônia 4,443

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 Ouro Preto do Oeste (RO)
149
less than 0.1% of Brazil's
Of every 100 companies in Ouro Preto do Oeste (RO)
4.0
do this activity
Among Rondônia's cities
8th
by companies in this activity

Active companies in Ouro Preto do Oeste (RO)

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 5

List limited to 149 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. Ouro Preto do Oeste (RO)4.0
  2. Rondônia2.7
  3. Brazil2.3

In Ouro Preto do Oeste (RO), the activity weighs 1.7 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 16.1% 716
  2. 2 Ji-Paraná 13.8% 612
  3. 3 Vilhena 10.3% 456
  4. 4 Cacoal 8.9% 397
  5. 5 Ariquemes 8.1% 360
  6. 6 Rolim de Moura 5.6% 251
  7. 7 Pimenta Bueno 3.9% 172
  8. 8 Ouro Preto do Oeste 3.4% 149
  9. 9 Jaru 3.3% 146
  10. 10 Cerejeiras 2.5% 110
20 more cities
  1. 11 Espigão D'Oeste 99
  2. 12 Presidente Médici 84
  3. 13 Buritis 79
  4. 14 Alta Floresta D'Oeste 64
  5. 15 Colorado do Oeste 63
  6. 16 Guajará-Mirim 58
  7. 17 São Miguel do Guaporé 56
  8. 18 Alto Paraíso 50
  9. 19 Urupá 41
  10. 20 Machadinho D'Oeste 37
  11. 21 Nova Brasilândia D'Oeste 35
  12. 22 Cujubim 34
  13. 23 São Francisco do Guaporé 30
  14. 24 Candeias do Jamari 23
  15. 25 Mirante da Serra 23
  16. 26 Alvorada D'Oeste 22
  17. 27 Cabixi 19
  18. 28 Chupinguaia 18
  19. 29 Campo Novo de Rondônia 18
  20. 30 Santa Luzia D'Oeste 17

Class 4399-1 in Ouro Preto do Oeste (RO)

serviços especializados para construção não especificados anteriormente, by subclass
SubclassActive
4399-1/01 Administração de obras0
4399-1/02 Montagem e desmontagem de andaimes e outras estruturas temporárias0
4399-1/03 Obras de alvenaria · this one149
4399-1/04 Serviços de operação e fornecimento de equipamentos para transporte e elevação de cargas e pessoas para uso em obras1
4399-1/05 Perfuração e construção de poços de água3
4399-1/99 Serviços especializados para construção não especificados anteriormente14

Close to this: 4330-4/99 · Outras obras de acabamento da construção, 3 companies in Ouro Preto do Oeste (RO).

What activity 4399-1/03 is

  • As obras de alvenaria

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 4399-1/03 in Ouro Preto do Oeste (RO)?

149 active companies have CNAE 4399-1/03 as their main activity in Ouro Preto do Oeste (RO), according to the Receita Federal's October 2026 publication. That is 4.0 of every 100 companies there, against 2.3 in Brazil.

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

Porto Velho, with 716, 16.1% 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 Ouro Preto do Oeste (RO).

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