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CNAE 2790-2/02 · Brazil

Fabricação de equipamentos para sinalização e alarme

241 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
241
1,013th of 1,329 activities
Opened in 12 months
8
1,085th by openings
Of every 100 companies in the country
0.0
do this activity
Openings per 100 active
3
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 241)

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: 1 company, 0.0 of every 100 active companies there Amapá: 1 company, 0.0 of every 100 active companies there Amazonas: 2 companies, 0.0 of every 100 active companies there Bahia: 7 companies, 0.0 of every 100 active companies there Ceará: 4 companies, 0.0 of every 100 active companies there Distrito Federal: 2 companies, 0.0 of every 100 active companies there Espírito Santo: 1 company, 0.0 of every 100 active companies there Goiás: 2 companies, 0.0 of every 100 active companies there Maranhão: 0 companies, 0.0 of every 100 active companies there Mato Grosso: 1 company, 0.0 of every 100 active companies there Mato Grosso do Sul: 0 companies, 0.0 of every 100 active companies there Minas Gerais: 27 companies, 0.0 of every 100 active companies there Pará: 1 company, 0.0 of every 100 active companies there Paraíba: 0 companies, 0.0 of every 100 active companies there Paraná: 25 companies, 0.0 of every 100 active companies there Pernambuco: 2 companies, 0.0 of every 100 active companies there Piauí: 0 companies, 0.0 of every 100 active companies there Rio de Janeiro: 10 companies, 0.0 of every 100 active companies there Rio Grande do Norte: 1 company, 0.0 of every 100 active companies there Rio Grande do Sul: 36 companies, 0.0 of every 100 active companies there Rondônia: 0 companies, 0.0 of every 100 active companies there Roraima: 0 companies, 0.0 of every 100 active companies there Santa Catarina: 17 companies, 0.0 of every 100 active companies there São Paulo: 97 companies, 0.0 of every 100 active companies there Sergipe: 0 companies, 0.0 of every 100 active companies there Tocantins: 0 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

What activity 2790-2/02 is

  1. Section C — Indústrias de transformação
  2. Division — Fabricação de máquinas, aparelhos e materiais elétricos
  3. Group — Fabricação de equipamentos e aparelhos elétricos não especificados anteriormente
  4. Class — Fabricação de equipamentos e aparelhos elétricos não especificados anteriormente

What it covers

  • A fabricação de aparelhos e equipamentos elétricos para sinalização e alarme, segurança e controle de tráfego rodoviário, aéreo, ferroviário e marítimo (semáforo e sinais luminosos de tráfego, sirenes, faróis marítimos completos, aparelhos e instalações para sinalização de ferrovias e aeroportos e aparelhos eletrônicos para controle de tráfego em geral)
  • A fabricação de aparelhos de alarme contra incêndio e roubo, não ligados a uma central de controle

What it does not cover

Typical activities

  • Alarmes contra incêndio ou sobreaquecimentos, fabricação de
  • Alarmes para veículos, fabricação de
  • Alarmes residenciais, fabricação de
  • Aparelhos de alarme contra incêndio, fabricação de
  • Aparelhos de alarme contra roubo, fabricação de
  • Aparelhos ou equipamentos de sinalização e alarme, n.e., fabricação de
  • Fabricação de aparelho para sinalização luminosa
  • Fabricação de aparelhos auxiliares eletrônicos para controle de trafego rodoviário, aéreo, ferroviário e marítimo
  • Fabricação de aparelhos elétricos de sinalização acústica (sirenes, etc)
  • Fabricação de aparelhos para controle de sinalização de transito
  • Fabricação de aparelhos para controle de trafego de automotores
  • Fabricação de aparelhos para controle de trafego de vias férreas
See the other 7 typical activities
  • Fabricação de aparelhos para sinalização de ferrovias
  • Fabricação de aparelhos para sinalização de pistas de pouso
  • Fabricação de controlador digital de trafego
  • Fabricação de faróis marítimos
  • Fabricação de partes e peças para aparelhos elétricos para sinalização e alarme
  • Fabricação de semáforos (sinais luminosos)
  • Peças e acessórios para aparelhos de sinalização, fabricação de

Source: IBGE, CNAE 2.3 and its explanatory notes

The activities of class 2790-2

fabricação de equipamentos e aparelhos elétricos não especificados anteriormente, by subclass
SubclassActiveOpeningsChange
2790-2/01 Fabricação de eletrodos, contatos e outros artigos de carvão e grafita para uso elétrico, eletroímãs e isoladores662—
2790-2/02 Fabricação de equipamentos para sinalização e alarme · this one2418—
2790-2/99 Fabricação de outros equipamentos e aparelhos elétricos não especificados anteriormente1,48345−10.0%

Frequently asked questions about CNAE 2790-2/02

How many CNAE 2790-2/02 companies are there in Brazil?

241 active companies have CNAE 2790-2/02 as their main activity, according to the Receita Federal's October 2026 publication. It is 1,013th among the country's activities by companies.

Which activities make up class 2790-2?

Class 2790-2 has 3 subclasses: 2790-2/01; 2790-2/02; 2790-2/99. 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 97. 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.