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CNAE 4329-1/04 · Brazil

Montagem e instalação de sistemas e equipamentos de iluminação e sinalização em vias públicas, portos e aeroportos

3,980 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
3,980
473rd of 1,329 activities
Opened in 12 months
1,113
+8.4% · 341st by openings
Of every 100 companies in the country
0.0
do this activity
Openings per 100 active
28
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: 6 companies, 0.0 of every 100 active companies there Alagoas: 21 companies, 0.0 of every 100 active companies there Amapá: 7 companies, 0.0 of every 100 active companies there Amazonas: 45 companies, 0.0 of every 100 active companies there Bahia: 222 companies, 0.0 of every 100 active companies there Ceará: 95 companies, 0.0 of every 100 active companies there Distrito Federal: 49 companies, 0.0 of every 100 active companies there Espírito Santo: 82 companies, 0.0 of every 100 active companies there Goiás: 217 companies, 0.0 of every 100 active companies there Maranhão: 120 companies, 0.0 of every 100 active companies there Mato Grosso: 73 companies, 0.0 of every 100 active companies there Mato Grosso do Sul: 39 companies, 0.0 of every 100 active companies there Minas Gerais: 358 companies, 0.0 of every 100 active companies there Pará: 71 companies, 0.0 of every 100 active companies there Paraíba: 40 companies, 0.0 of every 100 active companies there Paraná: 329 companies, 0.0 of every 100 active companies there Pernambuco: 127 companies, 0.0 of every 100 active companies there Piauí: 46 companies, 0.0 of every 100 active companies there Rio de Janeiro: 322 companies, 0.0 of every 100 active companies there Rio Grande do Norte: 43 companies, 0.0 of every 100 active companies there Rio Grande do Sul: 168 companies, 0.0 of every 100 active companies there Rondônia: 17 companies, 0.0 of every 100 active companies there Roraima: 6 companies, 0.0 of every 100 active companies there Santa Catarina: 222 companies, 0.0 of every 100 active companies there São Paulo: 1,182 companies, 0.0 of every 100 active companies there Sergipe: 39 companies, 0.0 of every 100 active companies there Tocantins: 29 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 1,182
  2. 2 Minas Gerais 358
  3. 3 Paraná 329
  4. 4 Rio de Janeiro 322
  5. 5 Bahia 222
  6. 6 Santa Catarina 222
  7. 7 Goiás 217
  8. 8 Rio Grande do Sul 168
  9. 9 Pernambuco 127
  10. 10 Maranhão 120
See the 27 federative units
  1. 11 Ceará 95
  2. 12 Espírito Santo 82
  3. 13 Mato Grosso 73
  4. 14 Pará 71
  5. 15 Distrito Federal 49
  6. 16 Piauí 46
  7. 17 Amazonas 45
  8. 18 Rio Grande do Norte 43
  9. 19 Paraíba 40
  10. 20 Mato Grosso do Sul 39
  11. 21 Sergipe 39
  12. 22 Tocantins 29
  13. 23 Alagoas 21
  14. 24 Rondônia 17
  15. 25 Amapá 7
  16. 26 Acre 6
  17. 27 Roraima 6

Cities with the most companies

active companies by head office

  1. 1 São Paulo (SP) 338
  2. 2 Rio de Janeiro (RJ) 136
  3. 3 Campinas (SP) 84
  4. 4 Salvador (BA) 74
  5. 5 Curitiba (PR) 74
  6. 6 Belo Horizonte (MG) 73
  7. 7 Goiânia (GO) 64
  8. 8 Fortaleza (CE) 61
  9. 9 Brasília (DF) 49
  10. 10 Jundiaí (SP) 42
See the 30 cities
  1. 11 Aparecida de Goiânia (GO) 38
  2. 12 Recife (PE) 37
  3. 13 Manaus (AM) 35
  4. 14 Uberlândia (MG) 31
  5. 15 São Bernardo do Campo (SP) 30
  6. 16 Belém (PA) 28
  7. 17 Pinhais (PR) 28
  8. 18 São Luís (MA) 26
  9. 19 Londrina (PR) 26
  10. 20 Contagem (MG) 25
  11. 21 Serra (ES) 25
  12. 22 Guarulhos (SP) 24
  13. 23 Porto Alegre (RS) 24
  14. 24 Osasco (SP) 23
  15. 25 Colombo (PR) 23
  16. 26 Sorocaba (SP) 22
  17. 27 Aracaju (SE) 21
  18. 28 Cuiabá (MT) 21
  19. 29 Nova Iguaçu (RJ) 19
  20. 30 Embu das Artes (SP) 19

What activity 4329-1/04 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 montagem ou instalação de sistemas de iluminação e sinalização em vias públicas, rodovias, ferrovias, portos e aeroportos
  • A iluminação urbana e semáforos
  • A iluminação de pistas de decolagem

What it does not cover

Typical activities

  • Faixas e delimitadores luminosos (tachas) para rodovias e aeroportos, implantação de
  • Iluminação urbana e semáforos, implantação de
  • Instalação de cancelas eletrônicas
  • Instalação de iluminação de pistas de decolagem
  • Instalação de iluminação publica
  • Manutenção de rede de iluminação publica
  • Postes de iluminação, colocação de
  • Sinais luminosos (semáforos), manutenção e reparação de
  • Sistemas de iluminação e de sinalização em vias públicas, rodovias, ferrovias, portos e aeroportos, montagem e instalação de
  • Sistemas de iluminação e sinalização em vias publicas, manutenção e reparação de
  • Sistemas e equipamentos de iluminação e sinalização em vias publicas, portos e aeroportos, reparação ou manutenção de
  • Substituição de postes de iluminação

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 aeroportos · this one3,9801,113+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 anteriormente2,917249+6.9%

Frequently asked questions about CNAE 4329-1/04

How many CNAE 4329-1/04 companies are there in Brazil?

3,980 active companies have CNAE 4329-1/04 as their main activity, according to the Receita Federal's October 2026 publication. It is 473rd 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 1,182. 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.