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CNAE 4645-1/01 · Brazil

Comércio atacadista de instrumentos e materiais para uso médico, cirúrgico, hospitalar e de laboratórios

9,669 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
9,669
317th of 1,329 activities
Opened in 12 months
726
−0.3% · 402nd by openings
Of every 100 companies in the country
0.0
do this activity
Openings per 100 active
8
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: 18 companies, 0.0 of every 100 active companies there Alagoas: 77 companies, 0.0 of every 100 active companies there Amapá: 23 companies, 0.0 of every 100 active companies there Amazonas: 223 companies, 0.1 of every 100 active companies there Bahia: 480 companies, 0.0 of every 100 active companies there Ceará: 225 companies, 0.0 of every 100 active companies there Distrito Federal: 244 companies, 0.1 of every 100 active companies there Espírito Santo: 210 companies, 0.0 of every 100 active companies there Goiás: 347 companies, 0.0 of every 100 active companies there Maranhão: 178 companies, 0.0 of every 100 active companies there Mato Grosso: 99 companies, 0.0 of every 100 active companies there Mato Grosso do Sul: 93 companies, 0.0 of every 100 active companies there Minas Gerais: 677 companies, 0.0 of every 100 active companies there Pará: 208 companies, 0.0 of every 100 active companies there Paraíba: 135 companies, 0.0 of every 100 active companies there Paraná: 642 companies, 0.0 of every 100 active companies there Pernambuco: 332 companies, 0.0 of every 100 active companies there Piauí: 106 companies, 0.0 of every 100 active companies there Rio de Janeiro: 1,344 companies, 0.1 of every 100 active companies there Rio Grande do Norte: 106 companies, 0.0 of every 100 active companies there Rio Grande do Sul: 420 companies, 0.0 of every 100 active companies there Rondônia: 67 companies, 0.0 of every 100 active companies there Roraima: 0 companies, 0.0 of every 100 active companies there Santa Catarina: 363 companies, 0.0 of every 100 active companies there São Paulo: 2,850 companies, 0.0 of every 100 active companies there Sergipe: 77 companies, 0.0 of every 100 active companies there Tocantins: 53 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 – 0.1

Federative units with the most companies

  1. 1 São Paulo 2,850
  2. 2 Rio de Janeiro 1,344
  3. 3 Minas Gerais 677
  4. 4 Paraná 642
  5. 5 Bahia 480
  6. 6 Rio Grande do Sul 420
  7. 7 Santa Catarina 363
  8. 8 Goiás 347
  9. 9 Pernambuco 332
  10. 10 Distrito Federal 244
See the 26 federative units
  1. 11 Ceará 225
  2. 12 Amazonas 223
  3. 13 Espírito Santo 210
  4. 14 Pará 208
  5. 15 Maranhão 178
  6. 16 Paraíba 135
  7. 17 Piauí 106
  8. 18 Rio Grande do Norte 106
  9. 19 Mato Grosso 99
  10. 20 Mato Grosso do Sul 93
  11. 21 Alagoas 77
  12. 22 Sergipe 77
  13. 23 Rondônia 67
  14. 24 Tocantins 53
  15. 25 Amapá 23
  16. 26 Acre 18

Cities with the most companies

active companies by head office

  1. 1 São Paulo (SP) 1,085
  2. 2 Rio de Janeiro (RJ) 735
  3. 3 Belo Horizonte (MG) 350
  4. 4 Curitiba (PR) 253
  5. 5 Brasília (DF) 244
  6. 6 Porto Alegre (RS) 224
  7. 7 Goiânia (GO) 202
  8. 8 Recife (PE) 199
  9. 9 Salvador (BA) 197
  10. 10 Manaus (AM) 193
See the 30 cities
  1. 11 São Caetano do Sul (SP) 179
  2. 12 Fortaleza (CE) 151
  3. 13 Ribeirão Preto (SP) 128
  4. 14 Niterói (RJ) 125
  5. 15 São Luís (MA) 111
  6. 16 Barueri (SP) 99
  7. 17 Belém (PA) 92
  8. 18 Teresina (PI) 86
  9. 19 Duque de Caxias (RJ) 85
  10. 20 João Pessoa (PB) 84
  11. 21 Natal (RN) 82
  12. 22 São Bernardo do Campo (SP) 80
  13. 23 São José dos Campos (SP) 80
  14. 24 Itajaí (SC) 77
  15. 25 Florianópolis (SC) 75
  16. 26 Campinas (SP) 74
  17. 27 Campo Grande (MS) 74
  18. 28 Lauro de Freitas (BA) 70
  19. 29 Vitória (ES) 70
  20. 30 Maceió (AL) 66

What activity 4645-1/01 is

  1. Section G — Comércio; reparação de veículos automotores e motocicletas
  2. Division — Comércio por atacado, exceto veículos automotores e motocicletas
  3. Group — Comércio atacadista de produtos de consumo não-alimentar
  4. Class — Comércio atacadista de instrumentos e materiais para uso médico, cirúrgico, ortopédico e odontológico

What it covers

  • O comércio atacadista de instrumentos e materiais médico-cirúrgico hospitalares e odontológicos e laboratoriais, tais como: estetoscópios, medidores de pressão, bisturis, boticões, pinças, tubos de ensaio e análises química e similares

What it does not cover

Typical activities

  • Comércio atacadista de bisturis
  • Comércio atacadista de bisturis, boticões, estetoscópios, pinças e outros instrumentos médico-cirúrgicos
  • Comércio atacadista de boticões
  • Comércio atacadista de estetoscópio
  • Comércio atacadista de hemoglucoteste, kit de
  • Comércio atacadista de instrumentos cirúrgicos
  • Comércio atacadista de instrumentos e materiais médico-cirúrgicos-hospitalares
  • Comércio atacadista de instrumentos e materiais para uso médico, cirúrgico, hospitalar e de laboratórios
  • Comércio atacadista de instrumentos médico-cirúrgicos
  • Comércio atacadista de instrumentos odontológicos
  • Comércio atacadista de kits diagnostico de gravidez
  • Comércio atacadista de kits diagnostico para exames
See the other 15 typical activities
  • Comércio atacadista de kits para exames de laboratório
  • Comércio atacadista de luvas e ataduras cirúrgicas
  • Comércio atacadista de marcapassos
  • Comércio atacadista de massageadores
  • Comércio atacadista de material cirúrgico
  • Comércio atacadista de material hospitalar
  • Comércio atacadista de material medico
  • Comércio atacadista de material para realização de teste, exame de covid
  • Comércio atacadista de medidores de pressão
  • Comércio atacadista de nebulizador
  • Comércio atacadista de seringas, agulhas para suturas, punções ou injeções
  • Comércio atacadista de termômetro
  • Comércio atacadista de tubos de ensaio (laboratórios)
  • Comércio atacadista de válvulas biológicas
  • Comércio atacadista de vaporizador

Source: IBGE, CNAE 2.3 and its explanatory notes

The activities of class 4645-1

comércio atacadista de instrumentos e materiais para uso médico, cirúrgico, ortopédico e odontológico, by subclass
SubclassActiveOpeningsChange
4645-1/01 Comércio atacadista de instrumentos e materiais para uso médico, cirúrgico, hospitalar e de laboratórios · this one9,669726−0.3%
4645-1/02 Comércio atacadista de próteses e artigos de ortopedia45928−17.6%
4645-1/03 Comércio atacadista de produtos odontológicos1,713127−2.3%

Frequently asked questions about CNAE 4645-1/01

How many CNAE 4645-1/01 companies are there in Brazil?

9,669 active companies have CNAE 4645-1/01 as their main activity, according to the Receita Federal's October 2026 publication. It is 317th among the country's activities by companies.

Which activities make up class 4645-1?

Class 4645-1 has 3 subclasses: 4645-1/01; 4645-1/02; 4645-1/03. 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 2,850. 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.

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