CNAE 3839-4/01 · Rio de Janeiro
Usinas de compostagem in Rio de Janeiro
13 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 3.4% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 385
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 Rio de Janeiro
- 13
- 3.4% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.0
- do this activity
- Among Brazil's federative units
- 9th
- by companies in this activity
Active companies in Rio de Janeiro
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- UTILIX - SERVICOS AMBIENTAIS LTDADuas Barras (RJ)
- ROBIOS COMPOSTO VEGETAL FABRICACAO E COMERCIO LTDAPetrópolis (RJ)
- NOVA TERRA BRASIL AGRICOLA LTDANova Iguaçu (RJ)
- ECORIO AMBIENTAL LTDARio de Janeiro (RJ)
- COMPOSPET SERVICOS DE COMPOSTAGEM E PRODUCAO DE ADUBOS E FERTILIZANTES LTDASeropédica (RJ)
- JULROX COMERCIO LTDAAraruama (RJ)
- H.M A FORCA VERDE COMERCIO DE SUBSTRATOS ORGANICOS LTDADuque de Caxias (RJ)
- CENTRO DE COMPOSTAGEM PETROPOLIS LTDAPetrópolis (RJ)
- SAO CAETANO INDUSTRIA E COMERCIO LTDAItaperuna (RJ)
- CASA DA MATA LTDAMaricá (RJ)
- CBR AMBIENTAL CAMPOS LTDACampos dos Goytacazes (RJ)
- COOPERATIVA DE TRABALHO DE PRODUCAO DOS CATADORES DE MATERIAIS RECICLAVEIS ROCINHA RECICLARio de Janeiro (RJ)
- WASTE SOLUTIONS LTDARio de Janeiro (RJ)
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
- Rio de Janeiro0.0
- Brazil0.0
In Rio de Janeiro, the activity weighs less than in Brazil.
Rio de Janeiro's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Rio de Janeiro 23.1% 3
- 2 Petrópolis 15.4% 2
- 3 Seropédica 7.7% 1
- 4 Araruama 7.7% 1
- 5 Campos dos Goytacazes 7.7% 1
- 6 Duas Barras 7.7% 1
- 7 Duque de Caxias 7.7% 1
- 8 Itaperuna 7.7% 1
- 9 Maricá 7.7% 1
- 10 Nova Iguaçu 7.7% 1
Class 3839-4 in Rio de Janeiro
recuperação de materiais não especificados anteriormente, by subclass| Subclass | Active |
|---|---|
| 3839-4/01 Usinas de compostagem · this one | 13 |
| 3839-4/99 Recuperação de materiais não especificados anteriormente | 379 |
Close to this: 2012-6/00 · Fabricação de intermediários para fertilizantes, 6 companies in Rio de Janeiro.
What activity 3839-4/01 is
- A obtenção de compostos orgânicos para fertilização do solo a partir de processo de degradação biológica de resíduos orgânicos não-perigosos, tais como restos de alimentos, estercos animais, restos de culturas agrícolas, bem como a porção orgânica dos resíduos sólidos urbanos
Frequently asked questions
How many companies have main CNAE 3839-4/01 in Rio de Janeiro?
13 active companies have CNAE 3839-4/01 as their main activity in Rio de Janeiro, according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.0 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 3, 23.1% 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 Rio de Janeiro.