CNAE 3321-0/00 · Três Rios (RJ)
Instalação de máquinas e equipamentos industriais in Três Rios (RJ)
31 active companies are headquartered in Três Rios (RJ) 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 54,145 · Rio de Janeiro 2,890
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 Três Rios (RJ)
- 31
- less than 0.1% of Brazil's
- Of every 100 companies in Três Rios (RJ)
- 0.3
- do this activity
- Among Rio de Janeiro's cities
- 17th
- by companies in this activity
Active companies in Três Rios (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 2- J & R MAHLER SERVICOS E SISTEMAS LTDATrês Rios (RJ)
- SIVA PRESTADORA DE SERVICOS LTDATrês Rios (RJ)
- MAURO HENRIQUE DA SILVA SERVICOSTrês Rios (RJ)
- ALESSANDRO VILA NOVA RABELLOTrês Rios (RJ)
- MAYARA MARTINS DE OLIVEIRA TOMAZTrês Rios (RJ)
- EDSON OSCARINO PINTOTrês Rios (RJ)
- MONICA BRETAS DE OLIVEIRATrês Rios (RJ)
- M.G.DE SOUSA MONTAGEM E MANUTENCAO INDUSTRIALTrês Rios (RJ)
- VINICIUS ALVES TRINDADETrês Rios (RJ)
- MARCOS AURELIO DE OLIVEIRA TRINDADETrês Rios (RJ)
- GERALDO FERREIRA AMORIMTrês Rios (RJ)
- FABRICIO DIAS RABELLOTrês Rios (RJ)
- LUIS CARLOS BORGES SALERNOTrês Rios (RJ)
- LUCAS RODRIGUES GATTOTrês Rios (RJ)
- ADRIANO DE OLIVEIRA AZEVEDOTrês Rios (RJ)
- SEBASTIAO GOMES DE OLIVEIRA JUNIORTrês Rios (RJ)
- CARLOS HENRIQUE LOPES DE OLIVEIRATrês Rios (RJ)
- CRISTIANE CAMARA KALILTrês Rios (RJ)
- RAFAELA DE SOUZA BARBOSATrês Rios (RJ)
- MARCELINO DA SILVA MENDESTrês Rios (RJ)
- JOSE MESSIAS MOREIRATrês Rios (RJ)
- JULIO CESAR DOS SANTOS HAUBRICKTrês Rios (RJ)
- CLOVIS JOSE GOMES FERREIRATrês Rios (RJ)
- PAULO DE OLIVEIRA ELIASTrês Rios (RJ)
- JENIFFER APARECIDA CANUTO ROSATrês Rios (RJ)
- ALEX UENDEL HERDY DE MATTOSTrês Rios (RJ)
- LUCAS DE SOUZA ROCHATrês Rios (RJ)
- RENAN TIMOTEO ALVESTrês Rios (RJ)
- PAULO CESAR VITORINO DINIZTrês Rios (RJ)
- ILEANDRO ANTONIO FONTES CARACIOLATrês Rios (RJ)
List limited to 31 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
- Três Rios (RJ)0.3
- Rio de Janeiro0.1
- Brazil0.2
In Três Rios (RJ), the activity weighs 1.5 times 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 42.2% 1,220
- 2 Duque de Caxias 7.0% 203
- 3 São Gonçalo 4.6% 134
- 4 Nova Iguaçu 3.9% 113
- 5 Macaé 2.8% 82
- 6 Niterói 2.7% 78
- 7 Belford Roxo 2.7% 77
- 8 Campos dos Goytacazes 2.5% 72
- 9 Volta Redonda 2.4% 69
- 10 São João de Meriti 2.4% 68
20 more cities
- 11 Petrópolis 59
- 12 Rio das Ostras 50
- 13 Barra Mansa 48
- 14 Valença 44
- 15 Cabo Frio 34
- 16 Maricá 33
- 17 Três Rios 31
- 18 Mesquita 30
- 19 Itaguaí 29
- 20 Resende 28
- 21 Magé 27
- 22 Itaboraí 26
- 23 Teresópolis 24
- 24 Nilópolis 21
- 25 Itaperuna 18
- 26 Queimados 17
- 27 Nova Friburgo 17
- 28 Guapimirim 16
- 29 Japeri 16
- 30 Angra dos Reis 15
What activity 3321-0/00 is
- A instalação de aparelhos e instrumentos de medida, teste e controle e de equipamentos para controle de processos industriais
- A instalação de equipamentos e instrumentos ópticos
- A instalação de aparelhos e equipamentos de irradiação, eletromédicos e eletroterapêuticos
Frequently asked questions
How many companies have main CNAE 3321-0/00 in Três Rios (RJ)?
31 active companies have CNAE 3321-0/00 as their main activity in Três Rios (RJ), according to the Receita Federal's October 2026 publication. That is 0.3 of every 100 companies there, against 0.2 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 1,220, 42.2% 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 Três Rios (RJ).