CNAE 4212-0/00 · Brazil
Construção de obras de arte especiais
1,006 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
- 1,006
- 738th of 1,329 activities
- Opened in 12 months
- 96
- +23.1% · 710th by openings
- Of every 100 companies in the country
- 0.0
- do this activity
- Openings per 100 active
- 10
- 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.- TONIOLO, BUSNELLO S/A - TUNEIS, TERRAPLENAGENS E PAVIMENTACOES - EM RECUPERACAO JUDICIALPorto Alegre (RS)
- MENDES JUNIOR ENGENHARIA S.ABelo Horizonte (MG)
- OECI S.A.São Paulo (SP)
- CNO S.A.São Paulo (SP)
- CONSTRUTORA LUIZ COSTA LTDAMossoró (RN)
- CONSTRUTORA A GASPAR S/ANatal (RN)
- TENENGE ENGENHARIA LTDA.São Paulo (SP)
- ALLONDA ENGENHARIA LTDA - EM RECUPERACAO JUDICIALBarueri (SP)
- CONSTRUTORA BETER S.A. FALIDOSão Paulo (SP)
- INTEGRAL ENGENHARIA LTDABelo Horizonte (MG)
- STER ENGENHARIA LTDASão Paulo (SP)
- CONTEK ENGENHARIA S/ASerra (ES)
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
- 0.0
- 0.0
- 0.0
- 0.0
Federative units with the most companies
- 1 São Paulo 143
- 2 Minas Gerais 120
- 3 Pará 76
- 4 Mato Grosso 73
- 5 Paraná 70
- 6 Goiás 62
- 7 Rio de Janeiro 59
- 8 Rio Grande do Sul 59
- 9 Mato Grosso do Sul 44
- 10 Espírito Santo 37
See the 26 federative units
- 11 Bahia 36
- 12 Santa Catarina 36
- 13 Pernambuco 26
- 14 Tocantins 26
- 15 Maranhão 22
- 16 Ceará 21
- 17 Amapá 13
- 18 Distrito Federal 13
- 19 Rio Grande do Norte 11
- 20 Rondônia 10
- 21 Roraima 10
- 22 Acre 8
- 23 Amazonas 6
- 24 Piauí 6
- 25 Alagoas 5
- 26 Sergipe 5
Cities with the most companies
active companies by head office
- 1 São Paulo (SP) 82
- 2 Belo Horizonte (MG) 63
- 3 Rio de Janeiro (RJ) 43
- 4 Curitiba (PR) 27
- 5 Porto Alegre (RS) 24
- 6 Cuiabá (MT) 22
- 7 Goiânia (GO) 21
- 8 Salvador (BA) 18
- 9 Fortaleza (CE) 16
- 10 Campo Grande (MS) 16
See the 29 cities
- 11 Aparecida de Goiânia (GO) 16
- 12 Recife (PE) 15
- 13 Belém (PA) 14
- 14 Brasília (DF) 13
- 15 Boa Vista (RR) 10
- 16 Vila Velha (ES) 10
- 17 Vitória (ES) 9
- 18 Macapá (AP) 8
- 19 Brejetuba (ES) 8
- 20 Várzea Grande (MT) 8
- 21 Maringá (PR) 7
- 22 Terenos (MS) 7
- 23 Bragança (PA) 6
- 24 São Luís (MA) 6
- 25 Pinhais (PR) 6
- 26 São José dos Pinhais (PR) 6
- 27 Palmas (TO) 6
- 28 Rio Branco (AC) 5
- 29 Parauapebas (PA) 5
What activity 4212-0/00 is
- Section F — Construção
- Division — Obras de infra-estrutura
- Group — Construção de rodovias, ferrovias, obras urbanas e obras-de-arte especiais
- Class — Construção de obras de arte especiais
What it covers
- A construção e recuperação de pontes, viadutos, elevados, passarelas, etc.
- A construção de túneis (urbanos, em rodovias, ferrovias, metropolitanos)
What it does not cover
- A construção de rodovias, vias férreas e pistas de aeroportos (4211-1/01)Classified under: 4211-1/01 Construção de rodovias e ferrovias
- A construção de obras de urbanização (ruas, praças e calçadas), inclusive a pavimentação dessas vias (4213-8/00)Classified under: 4213-8/00 Obras de urbanização - ruas, praças e calçadas
- As obras portuárias, marítimas e fluviais (4291-0/00)Classified under: 4291-0/00 Obras portuárias, marítimas e fluviais
- As obras de montagem industrial (4292-8/02)Classified under: 4292-8/02 Obras de montagem industrial
- Os serviços especializados de arquitetura (projetos arquitetônicos, urbanísticos e paisagísticos) (7111-1/00)Classified under: 7111-1/00 Serviços de arquitetura
- Os serviços especializados de engenharia (concepção de projetos estruturais e de instalações, supervisão e gerenciamento de projetos de construção) (7112-0/00)Classified under: 7112-0/00 Serviços de engenharia
- Os serviços de paisagismo (8130-3/00)Classified under: 8130-3/00 Atividades paisagísticas
Typical activities
- Chocos, substituição de (manutenção em túneis)
- Grandes estruturas e obras de arte, construção de
- Manutenção de obras de arte rodoviárias
- Manutenção de pontes, túneis, viadutos
- Manutenção de túneis
- Obras de arte corrente, construção de
- Obras de arte especiais, construção de
- Passarelas, construção de
- Pontes, túneis, viadutos, elevados, passarelas, etc., construção de
- Recomposição de obras de arte
- Recuperação de obras de arte: pontes, túneis, viadutos, passarelas
- Túneis (urbanos, em rodovias, ferrovias, de metropolitanos), construção de
See the other 1 typical activities
- Viadutos, construção de
Frequently asked questions about CNAE 4212-0/00
How many CNAE 4212-0/00 companies are there in Brazil?
1,006 active companies have CNAE 4212-0/00 as their main activity, according to the Receita Federal's October 2026 publication. It is 738th among the country's activities by companies.
Which federative unit has the most companies in this activity?
São Paulo, with 143. There, 0.0 of every 100 active companies have this main activity, against 0.0 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.