EN
Appearance

To remember this theme on future pages, allow saved preferences. Cookie preferences

Could not save. Check that your browser allows cookies and try again.

MenuClose

Preferences

LanguageEnglish
AppearanceSystem
Appearance

To remember this theme on future pages, allow saved preferences. Cookie preferences

Could not save. Check that your browser allows cookies and try again.

CNAE 4329-1/99 · Brazil

Outras obras de instalações em construções não especificadas anteriormente

2,917 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
2,917
535th of 1,329 activities
Opened in 12 months
249
+6.9% · 557th by openings
Of every 100 companies in the country
0.0
do this activity
Openings per 100 active
9
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.

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.

Where the companies are

Acre: 0 companies, 0.0 of every 100 active companies there Alagoas: 11 companies, 0.0 of every 100 active companies there Amapá: 2 companies, 0.0 of every 100 active companies there Amazonas: 33 companies, 0.0 of every 100 active companies there Bahia: 68 companies, 0.0 of every 100 active companies there Ceará: 42 companies, 0.0 of every 100 active companies there Distrito Federal: 69 companies, 0.0 of every 100 active companies there Espírito Santo: 43 companies, 0.0 of every 100 active companies there Goiás: 117 companies, 0.0 of every 100 active companies there Maranhão: 16 companies, 0.0 of every 100 active companies there Mato Grosso: 45 companies, 0.0 of every 100 active companies there Mato Grosso do Sul: 19 companies, 0.0 of every 100 active companies there Minas Gerais: 200 companies, 0.0 of every 100 active companies there Pará: 9 companies, 0.0 of every 100 active companies there Paraíba: 9 companies, 0.0 of every 100 active companies there Paraná: 147 companies, 0.0 of every 100 active companies there Pernambuco: 43 companies, 0.0 of every 100 active companies there Piauí: 4 companies, 0.0 of every 100 active companies there Rio de Janeiro: 279 companies, 0.0 of every 100 active companies there Rio Grande do Norte: 10 companies, 0.0 of every 100 active companies there Rio Grande do Sul: 150 companies, 0.0 of every 100 active companies there Rondônia: 10 companies, 0.0 of every 100 active companies there Roraima: 4 companies, 0.0 of every 100 active companies there Santa Catarina: 82 companies, 0.0 of every 100 active companies there São Paulo: 1,480 companies, 0.0 of every 100 active companies there Sergipe: 9 companies, 0.0 of every 100 active companies there Tocantins: 5 companies, 0.0 of every 100 active companies there

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

  1. 0.0
  2. 0.0
  3. 0.0
  4. 0.0
  5. 0.0

Federative units with the most companies

  1. 1 São Paulo 1,480
  2. 2 Rio de Janeiro 279
  3. 3 Minas Gerais 200
  4. 4 Rio Grande do Sul 150
  5. 5 Paraná 147
  6. 6 Goiás 117
  7. 7 Santa Catarina 82
  8. 8 Distrito Federal 69
  9. 9 Bahia 68
  10. 10 Mato Grosso 45
See the 26 federative units
  1. 11 Espírito Santo 43
  2. 12 Pernambuco 43
  3. 13 Ceará 42
  4. 14 Amazonas 33
  5. 15 Mato Grosso do Sul 19
  6. 16 Maranhão 16
  7. 17 Alagoas 11
  8. 18 Rio Grande do Norte 10
  9. 19 Rondônia 10
  10. 20 Pará 9
  11. 21 Paraíba 9
  12. 22 Sergipe 9
  13. 23 Tocantins 5
  14. 24 Piauí 4
  15. 25 Roraima 4
  16. 26 Amapá 2

Cities with the most companies

active companies by head office

  1. 1 São Paulo (SP) 826
  2. 2 Rio de Janeiro (RJ) 127
  3. 3 Brasília (DF) 69
  4. 4 Belo Horizonte (MG) 66
  5. 5 Porto Alegre (RS) 41
  6. 6 Guarulhos (SP) 40
  7. 7 Goiânia (GO) 35
  8. 8 Manaus (AM) 30
  9. 9 Recife (PE) 30
  10. 10 Fortaleza (CE) 29
See the 30 cities
  1. 11 Curitiba (PR) 29
  2. 12 Campinas (SP) 27
  3. 13 Duque de Caxias (RJ) 26
  4. 14 Sorocaba (SP) 25
  5. 15 São José dos Campos (SP) 24
  6. 16 Niterói (RJ) 22
  7. 17 Santo André (SP) 22
  8. 18 Uberlândia (MG) 21
  9. 19 Barueri (SP) 21
  10. 20 São Bernardo do Campo (SP) 21
  11. 21 Anápolis (GO) 21
  12. 22 Osasco (SP) 20
  13. 23 Canoas (RS) 20
  14. 24 Salvador (BA) 19
  15. 25 São Gonçalo (RJ) 19
  16. 26 Ribeirão Preto (SP) 19
  17. 27 Mogi das Cruzes (SP) 17
  18. 28 Divinópolis (MG) 16
  19. 29 Serra (ES) 16
  20. 30 Carapicuíba (SP) 15

What activity 4329-1/99 is

  1. Section F — Construção
  2. Division — Serviços especializados para construção
  3. Group — Instalações elétricas, hidráulicas e outras instalações em construções
  4. Class — Obras de instalações em construções não especificadas anteriormente

What it covers

  • A instalação de sistemas de limpeza por vácuo
  • O revestimento de tubulações

What it does not cover

Typical activities

  • Dutos e tubulações, revestimento de
  • Estruturas de madeira, montagem de (quando executada por unidade especializada)
  • Instalação de revestimento de tubulações
  • Instalação de sistemas de limpeza de dutos e instalações hidráulicas por vácuo
  • Rebaixamento de teto (construção)
  • Serviços de blindagem de estruturas (cabines de segurança, sala de segurança, clausuras, passa documentos, passa delivery, datacenter, bunkers e semelhantes)

Source: IBGE, CNAE 2.3 and its explanatory notes

The activities of class 4329-1

obras de instalações em construções não especificadas anteriormente, by subclass
SubclassActiveOpeningsChange
4329-1/01 Instalação de painéis publicitários11,6962,451+20.4%
4329-1/02 Instalação de equipamentos para orientação à navegação marítima fluvial e lacustre887199−22.0%
4329-1/03 Instalação, manutenção e reparação de elevadores, escadas e esteiras rolantes6,8161,213+10.6%
4329-1/04 Montagem e instalação de sistemas e equipamentos de iluminação e sinalização em vias públicas, portos e aeroportos3,9801,113+8.4%
4329-1/05 Tratamentos térmicos, acústicos ou de vibração3,582730+10.3%
4329-1/99 Outras obras de instalações em construções não especificadas anteriormente · this one2,917249+6.9%

Frequently asked questions about CNAE 4329-1/99

How many CNAE 4329-1/99 companies are there in Brazil?

2,917 active companies have CNAE 4329-1/99 as their main activity, according to the Receita Federal's October 2026 publication. It is 535th among the country's activities by companies.

Which activities make up class 4329-1?

Class 4329-1 has 6 subclasses: 4329-1/01; 4329-1/02; 4329-1/03; 4329-1/04; 4329-1/05; 4329-1/99. 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?

São Paulo, with 1,480. 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.