CNAE 7112-0/00 · Rio das Ostras (RJ)
Serviços de engenharia in Rio das Ostras (RJ)
108 active companies are headquartered in Rio das Ostras (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 158,657 · Rio de Janeiro 11,835
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 Rio das Ostras (RJ)
- 108
- less than 0.1% of Brazil's
- Of every 100 companies in Rio das Ostras (RJ)
- 0.5
- do this activity
- Among Rio de Janeiro's cities
- 11th
- by companies in this activity
Active companies in Rio das Ostras (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 4- MACSEAL SERVICE LTDARio das Ostras (RJ)
- FUJITEC TECNOLOGIA LTDARio das Ostras (RJ)
- LUZEIRO EMPREENDIMENTOS LTDARio das Ostras (RJ)
- BSG ENGENHARIA LTDARio das Ostras (RJ)
- VK SERVICOS ONSHORE E OFFSHORE LTDARio das Ostras (RJ)
- LADDER SERVICOS INDUSTRIAIS LTDARio das Ostras (RJ)
- JZA ENGENHARIA SERVICOS TECNICOS E CONSTRUCOES LTDARio das Ostras (RJ)
- TECHSTEEL BR LTDARio das Ostras (RJ)
- MULTIJATO SERVICOS DE JATEAMENTO LTDARio das Ostras (RJ)
- UDTECH SERVICOS E COMERCIO LTDARio das Ostras (RJ)
- ARM CABRAL ENGENHARIA LTDARio das Ostras (RJ)
- TEC PAV CONSTRUTORA LTDARio das Ostras (RJ)
- AMAZON BIOENERGY LTDARio das Ostras (RJ)
- SINTEK CONSULTORIA E SERVICOS LTDARio das Ostras (RJ)
- WIND FLOWERS COMERCIO IMPORTACAO DE MATERIAIS LTDARio das Ostras (RJ)
- FLOWTECH COMERCIO E SERVICOS TECNICOS LTDARio das Ostras (RJ)
- ROCHER ENGENHARIA LTDARio das Ostras (RJ)
- OCEAN SOLUCOES INDUSTRIAIS LTDARio das Ostras (RJ)
- STANLEY ARQUITETURA LTDARio das Ostras (RJ)
- SILVA PIRES ENGENHARIA LTDARio das Ostras (RJ)
- MSS ENGENHARIA E CONSULTORIA LTDARio das Ostras (RJ)
- LIATECH PRESTADORA DE SERVICOS LTDARio das Ostras (RJ)
- MSS ENGENHARIA E CONSTRUCOES LTDARio das Ostras (RJ)
- PORTANTE SERVICOSRio das Ostras (RJ)
- TOMELIS RIG SERVICES LTDARio das Ostras (RJ)
- ENGY ENGENHARIA E CONSULTORIA LTDARio das Ostras (RJ)
- V M S ENGENHARIA E CONSULTORIA LTDARio das Ostras (RJ)
- CONDUCAO ENGENHARIA E PLANEJAMENTO LTDARio das Ostras (RJ)
- UBS ENGENHARIA LTDARio das Ostras (RJ)
- RM SOUZA ENGENHARIA LTDARio das Ostras (RJ)
List limited to 108 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 das Ostras (RJ)0.5
- Rio de Janeiro0.5
- Brazil0.6
In Rio das Ostras (RJ), the activity weighs less than 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 61.1% 7,230
- 2 Niterói 9.0% 1,068
- 3 São Gonçalo 2.3% 269
- 4 Duque de Caxias 2.1% 253
- 5 Volta Redonda 2.1% 246
- 6 Petrópolis 1.9% 224
- 7 Campos dos Goytacazes 1.9% 223
- 8 Macaé 1.8% 208
- 9 Nova Iguaçu 1.4% 171
- 10 Cabo Frio 0.9% 111
20 more cities
- 11 Rio das Ostras 108
- 12 Maricá 102
- 13 Barra Mansa 89
- 14 Teresópolis 86
- 15 Angra dos Reis 85
- 16 Rio Bonito 78
- 17 Itaboraí 72
- 18 Araruama 71
- 19 Resende 71
- 20 Nova Friburgo 69
- 21 Saquarema 59
- 22 Belford Roxo 55
- 23 Barra do Piraí 43
- 24 Itaperuna 42
- 25 Miguel Pereira 38
- 26 São João de Meriti 38
- 27 Três Rios 38
- 28 Nilópolis 37
- 29 Magé 35
- 30 Mesquita 33
Class 7112-0 in Rio das Ostras (RJ)
serviços de engenharia, by subclassClose to this: 7120-1/00 · Testes e análises técnicas, 30 companies in Rio das Ostras (RJ).
What activity 7112-0/00 is
- Os serviços técnicos de engenharia, como a elaboração e gestão de projetos e os serviços de inspeção técnica nas seguintes áreas: #- engenharia civil, hidráulica e de tráfego #- engenharia elétrica, eletrônica, de minas, química, mecânica, industrial, de sistemas e de segurança, agrária, etc. #- engenharia ambiental, engenharia acústica, etc.
- A supervisão de obras, controle de materiais e serviços similares
- A supervisão de contratos de execução de obras
Frequently asked questions
How many companies have main CNAE 7112-0/00 in Rio das Ostras (RJ)?
108 active companies have CNAE 7112-0/00 as their main activity in Rio das Ostras (RJ), according to the Receita Federal's October 2026 publication. That is 0.5 of every 100 companies there, against 0.6 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 7,230, 61.1% 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 Rio das Ostras (RJ).