CNAE section O: public administration codes in English.
9 CNAE 2.3 subclasses in section O (Public administration, defence and social security), with the English label, the ISIC Rev.4 class and the number of active Brazilian companies using each as their main activity: 57,462 in all.
The most used codes in this section are general public administration (8411-6/00, 41,007); regulation of health, education, cultural and other social services (8412-4/00, 10,521); compulsory social security (8430-2/00, 2,349). To see these companies by state, size and division, open Public administration companies in Brazil.
84 · Public administration, defence and compulsory social security
| CNAE | Activity (English) | Portuguese (official) | ISIC | Companies |
|---|---|---|---|---|
8411-6/00 | General public administration | Administração pública em geral | 8411 | 41,007 |
8412-4/00 | Regulation of health, education, cultural and other social services | Regulação das atividades de saúde, educação, serviços culturais e outros serviços sociais | 8412 | 10,521 |
8413-2/00 | Regulation of economic activities | Regulação das atividades econômicas | 8413 | 330 |
8421-3/00 | Foreign affairs | Relações exteriores | 8421 | 44 |
8422-1/00 | Defence | Defesa | 8422 | 566 |
8423-0/00 | Justice | Justiça | 8423 | 574 |
8424-8/00 | Public order and safety | Segurança e ordem pública | 8423 | 721 |
8425-6/00 | Civil defence | Defesa Civil | 8423 | 1,350 |
8430-2/00 | Compulsory social security | Seguridade social obrigatória | 8430 | 2,349 |
Division 84: Public administration, defence and compulsory social security. Companies = active head offices with this main CNAE.
Classification: IBGE/CONCLA (CNAE 2.3, CNAE-ISIC correspondence). English labels: LatSouth. Counts: Receita Federal release 2026-10-10, individual entrepreneurs excluded. Full crosswalk CSV.
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Get Brazil's public administration companies by these codes.
10,933,117 active Brazilian companies from the Receita Federal (CNPJ registry), cleaned, in English, with ISIC codes and no personal data. Free 25-row sample; full country file or ready-made packages.