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CNAE 7120-1/00 · Duque de Caxias (RJ)

Technical testing and analysis in Duque de Caxias (RJ)

37 active companies are headquartered in Duque de Caxias (RJ) with this CNAE as their main activity. They represent 0.6% of Brazil's active companies with the same main activity.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

The same activity in Brazil 5,849 · Rio de Janeiro 743

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 Duque de Caxias (RJ)
37
0.6% of Brazil's
Of every 100 companies in Duque de Caxias (RJ)
0.0
do this activity
Among Rio de Janeiro's cities
4th
by companies in this activity

Active companies in Duque de Caxias (RJ)

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 2

List limited to 37 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 much the activity weighs

of every 100 active companies, how many do this activity

  1. Duque de Caxias (RJ)0.0
  2. Rio de Janeiro0.0
  3. Brazil0.0

In Duque de Caxias (RJ), the activity weighs 1.8 times what it does 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. 1 Rio de Janeiro 49.0% 364
  2. 2 Niterói 5.8% 43
  3. 3 Macaé 5.4% 40
  4. 4 Duque de Caxias 5.0% 37
  5. 5 Rio das Ostras 4.0% 30
  6. 6 São Gonçalo 3.5% 26
  7. 7 Campos dos Goytacazes 2.6% 19
  8. 8 Nova Iguaçu 2.6% 19
  9. 9 Volta Redonda 2.3% 17
  10. 10 Petrópolis 1.9% 14
20 more cities
  1. 11 Cabo Frio 11
  2. 12 Itaboraí 11
  3. 13 Belford Roxo 8
  4. 14 São João de Meriti 8
  5. 15 Barra Mansa 7
  6. 16 Resende 7
  7. 17 Rio Bonito 7
  8. 18 Maricá 6
  9. 19 Saquarema 6
  10. 20 Natividade 5
  11. 21 São Pedro da Aldeia 5
  12. 22 Mesquita 4
  13. 23 Guapimirim 4
  14. 24 Itaguaí 4
  15. 25 Nova Friburgo 4
  16. 26 Barra do Piraí 3
  17. 27 Itaperuna 3
  18. 28 Magé 3
  19. 29 Nilópolis 3
  20. 30 Teresópolis 3

Class 7120-1 in Duque de Caxias (RJ)

testes e análises técnicas, by subclass

Close to this: 7500-1/00 · Veterinary activities, 59 companies in Duque de Caxias (RJ).

What activity 7120-1/00 is

  • A realização de testes físicos, químicos e outros testes analíticos de todos os tipos de materiais e de produtos, incluindo: #- testes acústicos e de vibração #- testes sobre a composição e a pureza de minerais #- testes no campo da higiene alimentar, inclusive relacionados à produção de alimentos para animais #- testes das características físicas, desempenho, provas de resistência, durabilidade e radioatividade de materiais e de produtos #- testes de desempenho completo de máquinas e motores: automóveis, equipamentos eletrônicos, etc.
  • A medição da pureza da água e do ar, da radioatividade, a análise de contaminação por emissão de fumaça ou águas residuais, etc.
  • A realização de provas de resistência e inspeção, visando a: #- avaliar o funcionamento ou o envelhecimento de instalações e de materiais #- o controle técnico de construções #- avaliar periodicamente veículos motorizados, visando à segurança das estradas #- fornecer certificados de homologação de barcos, aviões, veículos motorizados, projetos nucleares, etc.

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 7120-1/00 in Duque de Caxias (RJ)?

37 active companies have CNAE 7120-1/00 as their main activity in Duque de Caxias (RJ), according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.0 in Brazil.

Which of Rio de Janeiro's cities has the most companies in this activity?

Rio de Janeiro, with 364, 49.0% 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 Duque de Caxias (RJ).

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