CNAE 4399-1/01 · Rondônia
Administração de obras in Rondônia
52 active companies are headquartered in Rondônia with this CNAE as their main activity. They represent 0.4% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 13,567
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
- 52
- 0.4% of Brazil's
- Of every 100 companies in Rondônia
- 0.0
- do this activity
- Among Brazil's federative units
- 24th
- 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 2 of 2- E FONTANA NETO LTDACacoal (RO)
- R A ANDRADE APLEX GESTAO TECNICA ADMINISTRATIVA LTDAAriquemes (RO)
- ZERAC CONSTRUTORA LTDAVilhena (RO)
- GLOBAL CONSTRUCOES LTDAPorto Velho (RO)
- ADEMILSON GOMES DA SILVA LTDACacoal (RO)
- R P RAMOS & CIA LTDAPorto Velho (RO)
- SANTOS SOLUCOES E SERVICOS LTDAVilhena (RO)
- S. F. DE OLIVEIRA LTDACacoal (RO)
- HEILMAN CONSTRUTORA LTDACacoal (RO)
- CH RODRIGUES CONSTRUTORA LTDAAriquemes (RO)
- AF CONSTRUCOES E REFORMAS LTDAPorto Velho (RO)
- H C L CONSTRUCOES LTDAPorto Velho (RO)
- IN LOCO EMPREENDIMENTOS LTDAPorto Velho (RO)
- VALDER MIRANDA PARENTE LTDAPorto Velho (RO)
- RESIDENCIAL BELAS FLORES SPE LTDAPorto Velho (RO)
- CONSORCIO CONSTRUTOR VILHENAVilhena (RO)
- J L YUMSZUrupá (RO)
- R M N DE SOUSAPorto Velho (RO)
- E SARAIVA DOS SANTOS CONSTRUCOESPorto Velho (RO)
- HELIO MIRANDA FONSECARolim de Moura (RO)
- R G PEREIRAPorto Velho (RO)
- L C GOEDERTPorto Velho (RO)
List limited to 52 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
- Rondônia0.0
- Brazil0.1
In Rondônia, the activity weighs less than in Brazil.
Rondônia's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Porto Velho 50.0% 26
- 2 Vilhena 19.2% 10
- 3 Cacoal 13.5% 7
- 4 Ariquemes 9.6% 5
- 5 Rolim de Moura 3.8% 2
- 6 Cerejeiras 1.9% 1
- 7 Urupá 1.9% 1
Class 4399-1 in Rondônia
serviços especializados para construção não especificados anteriormente, by subclass| Subclass | Active |
|---|---|
| 4399-1/01 Administração de obras · this one | 52 |
| 4399-1/02 Montagem e desmontagem de andaimes e outras estruturas temporárias | 6 |
| 4399-1/03 Obras de alvenaria | 4,443 |
| 4399-1/04 Serviços de operação e fornecimento de equipamentos para transporte e elevação de cargas e pessoas para uso em obras | 19 |
| 4399-1/05 Perfuração e construção de poços de água | 91 |
| 4399-1/99 Serviços especializados para construção não especificados anteriormente | 438 |
Close to this: 7112-0/00 · Serviços de engenharia, 933 companies in Rondônia.
What activity 4399-1/01 is
- As atividades de gerenciamento e execução de obras através de contrato de construção por administração
- As atividades de direção e a responsabilidade técnica da obra
Frequently asked questions
How many companies have main CNAE 4399-1/01 in Rondônia?
52 active companies have CNAE 4399-1/01 as their main activity in Rondônia, according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.1 in Brazil.
Which of Rondônia's cities has the most companies in this activity?
Porto Velho, with 26, 50.0% 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.