CNAE 2599-3/01 · Brazil

Serviços de confecção de armações metálicas para a construção

16,768 active companies in the Brazilian CNPJ registry have this CNAE as their main activity. Look up companies and explore their distribution by state and city.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

What this list shows

We count each active company in the Brazilian CNPJ registry once, by its head office 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.

Active companies: 16,768; 241st of 1,329 activities
Opened in 12 months: 6,255; +21.5% · 151st by openings
Of every 100 companies in the country: 0.1; do this activity
Openings per 100 active: 37; in the country: 21

Active companies in this activity

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.

ANDALUZ INDUSTRIA IMPORTACAO E EXPORTACAO LTDASerra (ES)
FERRO NORDESTE INDUSTRIA E ATACADO LTDADias d'Ávila (BA)
ARJ INDUSTRIA E COMERCIO DE ARMACOES DE ACO LTDA.São José do Rio Preto (SP)
CORTEACO - INDUSTRIA E COMERCIO DE PRODUTOS DE FERRO,ACO E MATERIAIS DE CONSTRUCOES LTDATeresina (PI)
CIMENTOFER FABRICACAO DE FERROS E COMERCIO LTDASão Gonçalo (RJ)
MDX INDUSTRIA E COMERCIO DE ACO LTDAMateus Leme (MG)
ICS INDUSTRIA COMERCIO E SERVICOS LTDASerra (ES)
RRM INDUSTRIA METALICA LTDACuiabá (MT)
L & E INDUSTRIA DE ACO LTDAParnamirim (RN)
METALURGICA NASCIMENTO LTDAVilhena (RO)
METALURGICA RAMOS LTDAComodoro (MT)
GALPAO DO ACO DE SAQUAREMA LTDASaquarema (RJ)

Look up companies in this activity (up to 300)

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.

Where the companies are

Weight in each federative unit: of every 100 active companies, how many have this main activity

0.0 – 0.1
0.1
0.1
0.1
0.1 – 0.2

Federative units with the most companies

1 São Paulo 3,868
2 Minas Gerais 2,139
3 Rio de Janeiro 1,410
4 Paraná 1,399
5 Santa Catarina 1,151
6 Goiás 962
7 Rio Grande do Sul 938
8 Bahia 791
9 Mato Grosso 742
10 Espírito Santo 439

See the 27 federative units

11 Pernambuco 332
12 Mato Grosso do Sul 310
13 Pará 300
14 Tocantins 284
15 Distrito Federal 257
16 Ceará 238
17 Maranhão 210
18 Amazonas 198
19 Rio Grande do Norte 149
20 Alagoas 133
21 Paraíba 129
22 Rondônia 110
23 Sergipe 99
24 Piauí 84
25 Roraima 40
26 Acre 29
27 Amapá 25

Cities with the most companies

active companies by head office

1 São Paulo (SP) 812
2 Rio de Janeiro (RJ) 510
3 Brasília (DF) 257
4 Belo Horizonte (MG) 217
5 Cuiabá (MT) 199
6 Curitiba (PR) 183
7 Salvador (BA) 182
8 Goiânia (GO) 179
9 Palmas (TO) 169
10 Manaus (AM) 168

See the 30 cities

What activity 2599-3/01 is

Section C — Indústrias de transformação
Division — Fabricação de produtos de metal, exceto máquinas e equipamentos
Group — Fabricação de produtos de metal não especificados anteriormente
Class — Fabricação de produtos de metal não especificados anteriormente

What it covers

A fabricação de armações metálicas para a construção civil

What it does not cover

Os serviços de corte e dobra de metais (2599-3/02)Classified under: 2599-3/02 Serviço de corte e dobra de metais

Typical activities

Armações metálicas para construção, serviço de confecção de
Fabricação de estribos para confecção de armações metálicas usadas na construção

Source: IBGE, CNAE 2.3 and its explanatory notes

The activities of class 2599-3

fabricação de produtos de metal não especificados anteriormente, by subclass

Subclass	Active	Openings	Change
2599-3/01 Serviços de confecção de armações metálicas para a construção · this one	16,768	6,255	+21.5%
2599-3/02 Serviço de corte e dobra de metais	2,069	243	+15.7%
2599-3/99 Fabricação de outros produtos de metal não especificados anteriormente	11,034	1,538	+14.4%

Frequently asked questions about CNAE 2599-3/01

How many CNAE 2599-3/01 companies are there in Brazil?

16,768 active companies have CNAE 2599-3/01 as their main activity, according to the Receita Federal's October 2026 publication. It is 241st among the country's activities by companies.

Which activities make up class 2599-3?

Class 2599-3 has 3 subclasses: 2599-3/01; 2599-3/02; 2599-3/99. The official names are in the subclass table. A company declares one main activity and may declare others as secondary activities.

Which federative unit has the most companies in this activity?

São Paulo, with 3,868. There, 0.0 of every 100 active companies have this main activity, against 0.1 in the national registry.

Does this total include branches and secondary activities?

No. Each active company is counted once, by its head office and registered main activity. A company may carry out this activity as a secondary activity and be excluded from the count. Geographic distribution uses the registered location; records without a recognized federative unit may be counted nationally without appearing in local groups.

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 in the Brazilian CNPJ registry with this as their main activity, counted once by head office. Location is taken from the registry. Where available, openings are for the last 12 months, compared with the previous 12 months.