CNAE 2599-3/01 · Rio de Janeiro
Fabrication of metal reinforcement for construction in Rio de Janeiro
1,410 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 8.4% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 16,768
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
- 1,410
- 8.4% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.1
- 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. · page 3 of 10- M&H SERRALHERIA & ESTRUTURA METALICA LTDASão Gonçalo (RJ)
- KAGE CALHAS LTDARio de Janeiro (RJ)
- W A DE BRITO SERRALHERIA LTDAItaboraí (RJ)
- PS BARRETO SERVICOS LTDAMagé (RJ)
- A F MARRETO SERRALHERIA LTDANova Friburgo (RJ)
- CONSTRUTORA ENGEBRAZ LTDARio de Janeiro (RJ)
- CERCA RIO SERVICOS EM EVENTOS LTDARio de Janeiro (RJ)
- AA AVELINO LTDATeresópolis (RJ)
- E M DANTAS TOLDOS E COBERTURAS LTDADuque de Caxias (RJ)
- HENRIQUES MOTTA FERRAGENS LTDARio de Janeiro (RJ)
- MAC METALURGICA SERRALHERIA LTDARio de Janeiro (RJ)
- R RIBEIRO TERRA LTDAVolta Redonda (RJ)
- W H SERVICOS EM GERAL LTDAJaperi (RJ)
- WD DRYWALL MONTAGENS DE FORROS E DIVISORIAS LTDARio de Janeiro (RJ)
- JM CONSTRUCAO E REFORMAS EM GERAL LTDANiterói (RJ)
- JTECH SOLUCOES EM MANUTENCOES ELETRICAS E HIDRAULICAS LTDARio de Janeiro (RJ)
- AJP TOPOGRAFIA SERVICOS LTDADuque de Caxias (RJ)
- SEZARIO ESTRUTURAS METALICAS LTDARio de Janeiro (RJ)
- M&M SERVICOS DE CONSTRUCAO E REFORMAS LTDANiterói (RJ)
- J3L SERRALHERIA E VIDRACARIA LTDARio de Janeiro (RJ)
- BONTEX SERRALHERIA SERVICOS E MANUTENCAO LTDARio de Janeiro (RJ)
- FRANSEG INDUSTRIA E COMERCIO DE CONEXOES LTDASão João de Meriti (RJ)
- CAIQUE DE ANDRADE LIMA COMERCIO VAREJISTA DE FERRAGENS E FERRAMENTADuque de Caxias (RJ)
- CIRONILDO LIMA DA SILVARio de Janeiro (RJ)
- MAURICIO GONCALVES ALETTORio de Janeiro (RJ)
- BRUNO TOLEDO DA SILVARio de Janeiro (RJ)
- DAVI PONTES GARCIADuque de Caxias (RJ)
- KAUE DA SILVA DE ALMEIDASão João de Meriti (RJ)
- KAUA MACHADO PIMENTELNova Iguaçu (RJ)
- GABRIEL MIRANDA DE VASCONCELLOS MUNERONRio de Janeiro (RJ)
List limited to 300 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
- Rio de Janeiro0.1
- Brazil0.1
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 36.2% 510
- 2 Duque de Caxias 8.0% 113
- 3 Nova Iguaçu 6.2% 87
- 4 São Gonçalo 4.5% 64
- 5 Belford Roxo 4.3% 61
- 6 Itaboraí 2.6% 36
- 7 Niterói 2.6% 36
- 8 Cabo Frio 2.3% 32
- 9 Petrópolis 2.2% 31
- 10 Araruama 2.0% 28
20 more cities
- 11 Campos dos Goytacazes 27
- 12 Magé 27
- 13 Angra dos Reis 23
- 14 Maricá 22
- 15 Teresópolis 22
- 16 Macaé 20
- 17 Itaguaí 19
- 18 São João de Meriti 19
- 19 Queimados 17
- 20 Japeri 17
- 21 Rio das Ostras 15
- 22 Volta Redonda 15
- 23 Mesquita 14
- 24 São Pedro da Aldeia 12
- 25 Nova Friburgo 10
- 26 Vassouras 9
- 27 Saquarema 8
- 28 Armação dos Búzios 7
- 29 Barra Mansa 7
- 30 Mangaratiba 7
Class 2599-3 in Rio de Janeiro
fabricação de produtos de metal não especificados anteriormente, by subclass| Subclass | Active |
|---|---|
| 2599-3/01 Fabrication of metal reinforcement for construction · this one | 1,410 |
| 2599-3/02 Metal cutting and bending services | 41 |
| 2599-3/99 Manufacture of other fabricated metal products not elsewhere classified | 605 |
Close to this: 2599-3/02 · Metal cutting and bending services, 41 companies in Rio de Janeiro.
What activity 2599-3/01 is
- A fabricação de armações metálicas para a construção civil
Frequently asked questions
How many companies have main CNAE 2599-3/01 in Rio de Janeiro?
1,410 active companies have CNAE 2599-3/01 as their main activity in Rio de Janeiro, according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.1 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 510, 36.2% 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.