CNAE 3900-5/00 · Rio de Janeiro
Descontaminação e outros serviços de gestão de resíduos in Rio de Janeiro
16 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 7.7% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 208
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
- 16
- 7.7% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.0
- do this activity
- Among Brazil's federative units
- 3rd
- 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.- INFINITY SOLUCOES AMBIENTAIS LTDACampos dos Goytacazes (RJ)
- BIOEME SERVICOS DE GERENCIAMENTO DE RESIDUOS LTDAMagé (RJ)
- ECOWATER SERVICOS E SOLUCOES AMBIENTAIS LTDARio de Janeiro (RJ)
- PETROTECH TECNOLOGIAS AMBIENTAIS LTDARio de Janeiro (RJ)
- HEKOS SOLUCOES AMBIENTAIS SABelford Roxo (RJ)
- SAO LOURENCO AMBIENTAL LTDADuque de Caxias (RJ)
- BIOCLEAN SERVICOS DE GERENCIAMENTO E TRATAMENTO DE RESIDUOS LTDARio de Janeiro (RJ)
- GREEN ENERGY SERVICES LTDAMacaé (RJ)
- ECOBRASIL CONSULT LTDANiterói (RJ)
- J V B DE MELLO LTDASão Gonçalo (RJ)
- ECOPERC SOLUCOES AMBIENTAIS LTDARio de Janeiro (RJ)
- CENTRAL DE RECICLAGEM JAPERI LTDAJaperi (RJ)
- ENDURA INFRAESTRUTURA DE CARBONO LTDARio de Janeiro (RJ)
- ECOFOCUS SOLUCOES AMBIENTAIS LTDARio de Janeiro (RJ)
- GJOTA-REPAROS TRANSPORTES E LOGISTICAS NAVAL LTDANiterói (RJ)
- AVANTE CONSULTORIA AMBIENTAL E SEGURANCA DO TRABALHO LTDARio das Ostras (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 what it does 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 37.5% 6
- 2 Niterói 12.5% 2
- 3 Belford Roxo 6.2% 1
- 4 Japeri 6.2% 1
- 5 Rio das Ostras 6.2% 1
- 6 Campos dos Goytacazes 6.2% 1
- 7 Duque de Caxias 6.2% 1
- 8 Macaé 6.2% 1
- 9 Magé 6.2% 1
- 10 São Gonçalo 6.2% 1
Class 3900-5 in Rio de Janeiro
descontaminação e outros serviços de gestão de resíduos, by subclassClose to this: 8129-0/00 · Atividades de limpeza não especificadas anteriormente, 3,035 companies in Rio de Janeiro.
What activity 3900-5/00 is
- A descontaminação através de métodos mecânicos, químicos ou biológicos, em solos e águas subterrâneas contaminadas
- A descontaminação de usinas e plantas industriais, inclusive nucleares
- A descontaminação e a limpeza de águas superficiais pela coleta de poluentes ou a aplicação de produtos químicos – p. ex. por contaminação acidental
Frequently asked questions
How many companies have main CNAE 3900-5/00 in Rio de Janeiro?
16 active companies have CNAE 3900-5/00 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 6, 37.5% 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.