CNAE 7490-1/02 · Brazil
Escafandria e mergulho
1,336 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
- 1,336
- 685th of 1,329 activities
- Opened in 12 months
- 334
- +31.5% · 513th by openings
- Of every 100 companies in the country
- 0.0
- do this activity
- Openings per 100 active
- 25
- 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.- BELOV ENGENHARIA S.A.Salvador (BA)
- OPEN SEAS DIVE SERVICOS MARITIMOS LTDAVitória (ES)
- ALPHA DIVE SOLUCOES E SERVICOS SUBAQUATICOS EM GERAL LTDAItaguaí (RJ)
- MARINE AND NAVAL INTEGRITY SERVICES DIVING LTDAMacaé (RJ)
- SEAMASTER LTDANatal (RN)
- OCTAVIO PEDRO ALVES LTDABombinhas (SC)
- RCS SUBAQUATICA TECNOLOGIA SUBMARINA LTDAAraruama (RJ)
- ATLANTICA SERVICOS TECNICOS E SUBMARINOS LTDANatal (RN)
- MARINE INTEGRITY SERVICE AND NAVAL LTDANiterói (RJ)
- UNDERWATER ENGENHARIA SUBAQUATICA LTDAPorto Alegre (RS)
- MROV ENGENHARIA E SERVICOS SUBAQUATICOS OFFSHORE LTDARio das Ostras (RJ)
- OCEANSERV SERVICOS E LOCACAO DE EQUIPAMENTOS LTDARio das Ostras (RJ)
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 Rio de Janeiro 324
- 2 São Paulo 270
- 3 Minas Gerais 161
- 4 Paraná 94
- 5 Santa Catarina 81
- 6 Bahia 78
- 7 Pernambuco 53
- 8 Espírito Santo 44
- 9 Goiás 30
- 10 Ceará 25
See the 26 federative units
- 11 Rio Grande do Sul 24
- 12 Pará 22
- 13 Rio Grande do Norte 21
- 14 Amazonas 19
- 15 Alagoas 18
- 16 Mato Grosso 16
- 17 Mato Grosso do Sul 11
- 18 Distrito Federal 8
- 19 Maranhão 8
- 20 Paraíba 7
- 21 Sergipe 7
- 22 Rondônia 4
- 23 Piauí 3
- 24 Tocantins 3
- 25 Roraima 2
- 26 Amapá 1
Cities with the most companies
active companies by head office
- 1 Rio de Janeiro (RJ) 102
- 2 Curitiba (PR) 48
- 3 Salvador (BA) 38
- 4 Angra dos Reis (RJ) 35
- 5 Santos (SP) 35
- 6 São Paulo (SP) 34
- 7 São Gonçalo do Sapucaí (MG) 33
- 8 Niterói (RJ) 23
- 9 Armação dos Búzios (RJ) 22
- 10 Juiz de Fora (MG) 22
See the 30 cities
- 11 Vila Velha (ES) 22
- 12 São Vicente (SP) 20
- 13 Rio das Ostras (RJ) 19
- 14 Fortaleza (CE) 18
- 15 Ilhabela (SP) 18
- 16 Paranaguá (PR) 17
- 17 Arraial do Cabo (RJ) 16
- 18 Guarujá (SP) 16
- 19 Ipojuca (PE) 15
- 20 Natal (RN) 14
- 21 São Gonçalo (RJ) 14
- 22 Florianópolis (SC) 14
- 23 Itajaí (SC) 14
- 24 Macaé (RJ) 13
- 25 Ilha Solteira (SP) 12
- 26 Bombinhas (SC) 12
- 27 Praia Grande (SP) 12
- 28 Rio Acima (MG) 11
- 29 Recife (PE) 10
- 30 Maragogi (AL) 10
What activity 7490-1/02 is
- Section M — Atividades profissionais, científicas e técnicas
- Division — Outras atividades profissionais, científicas e técnicas
- Group — Atividades profissionais, científicas e técnicas não especificadas anteriormente
- Class — Atividades profissionais, científicas e técnicas não especificadas anteriormente
What it covers
- As atividades de escafandria e mergulho para realização de serviços variados como resgates, avaliações, manutenção de navios, etc.
What it does not cover
- A produção de fotografias submarinas (7420-0/02)Classified under: 7420-0/02 Atividades de produção de fotografias aéreas e submarinas
- A atividade de ensino de mergulho (8591-1/00)Classified under: 8591-1/00 Ensino de esportes
Typical activities
- Serviços de escafandria e mergulho
- Serviços de escafandria e mergulho resgates
The activities of class 7490-1
atividades profissionais, científicas e técnicas não especificadas anteriormente, by subclass| Subclass | Active | Openings | Change |
|---|---|---|---|
| 7490-1/01 Serviços de tradução, interpretação e similares | 4,859 | 328 | −19.2% |
| 7490-1/02 Escafandria e mergulho · this one | 1,336 | 334 | +31.5% |
| 7490-1/03 Serviços de agronomia e de consultoria às atividades agrícolas e pecuárias | 21,529 | 3,003 | −3.3% |
| 7490-1/04 Atividades de intermediação e agenciamento de serviços e negócios em geral, exceto imobiliários | 74,902 | 18,291 | +31.5% |
| 7490-1/05 Agenciamento de profissionais para atividades esportivas, culturais e artísticas | 6,775 | 997 | −3.2% |
| 7490-1/99 Outras atividades profissionais, científicas e técnicas não especificadas anteriormente | 21,469 | 3,058 | +24.2% |
Frequently asked questions about CNAE 7490-1/02
How many CNAE 7490-1/02 companies are there in Brazil?
1,336 active companies have CNAE 7490-1/02 as their main activity, according to the Receita Federal's October 2026 publication. It is 685th among the country's activities by companies.
Which activities make up class 7490-1?
Class 7490-1 has 6 subclasses: 7490-1/01; 7490-1/02; 7490-1/03; 7490-1/04; 7490-1/05; 7490-1/99. 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?
Rio de Janeiro, with 324. 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.