CNAE 3702-9/00 · Brazil
Atividades relacionadas a esgoto, exceto a gestão de redes
4,896 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
- 4,896
- 441st of 1,329 activities
- Opened in 12 months
- 779
- +10.5% · 392nd by openings
- Of every 100 companies in the country
- 0.0
- do this activity
- Openings per 100 active
- 16
- 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.- ESBRA ENVIRONMENTAL SOLUTIONS DO BRASIL S.A.Pinhais (PR)
- CETREL S.A.Camaçari (BA)
- BEMAVEN S.ABelém (PA)
- DESENTUPIDORA EXCELENCIA LTDASão Paulo (SP)
- NORTE-SUL HIDROTECNOLOGIA E COMERCIO LTDA.Hortolândia (SP)
- M GUIVARES MOURA LTDABoa Vista (RR)
- SUPREMATEC DESENTUPIDORA LTDABauru (SP)
- GOLDMAN SOLUCOES EM SANEAMENTO LTDAGoiânia (GO)
- CONTER TECNOLOGIA E SERVICOS LTDABrasília (DF)
- SEA MASTER SERVICOS MARITIMOS LTDAVila Velha (ES)
- CENTER WORK COMERCIO E SERVICOS DE LIMPEZA LTDAItabuna (BA)
- KLAUS MAKELLA BRANDAO DE OLIVEIRA LTDASão Luís (MA)
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 to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
- What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
- How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.
Where the companies are
Weight in each federative unit: of every 100 active companies, how many have this main activity
- 0.0
- 0.0
- 0.0
- 0.0
- 0.0
Federative units with the most companies
- 1 São Paulo 1,384
- 2 Paraná 477
- 3 Minas Gerais 341
- 4 Rio de Janeiro 314
- 5 Rio Grande do Sul 305
- 6 Goiás 299
- 7 Santa Catarina 267
- 8 Mato Grosso 170
- 9 Distrito Federal 146
- 10 Bahia 143
See the 26 federative units
- 11 Ceará 140
- 12 Pernambuco 138
- 13 Maranhão 121
- 14 Pará 107
- 15 Mato Grosso do Sul 96
- 16 Espírito Santo 81
- 17 Piauí 71
- 18 Paraíba 56
- 19 Rondônia 47
- 20 Rio Grande do Norte 44
- 21 Tocantins 43
- 22 Amazonas 42
- 23 Alagoas 22
- 24 Sergipe 20
- 25 Amapá 12
- 26 Acre 4
Cities with the most companies
active companies by head office
- 1 São Paulo (SP) 591
- 2 Rio de Janeiro (RJ) 157
- 3 Brasília (DF) 146
- 4 Curitiba (PR) 102
- 5 Porto Alegre (RS) 93
- 6 Belo Horizonte (MG) 87
- 7 Goiânia (GO) 84
- 8 Recife (PE) 42
- 9 Londrina (PR) 38
- 10 Manaus (AM) 37
See the 30 cities
- 11 Fortaleza (CE) 35
- 12 São Luís (MA) 32
- 13 Salvador (BA) 32
- 14 Uberlândia (MG) 32
- 15 São José (SC) 32
- 16 Florianópolis (SC) 31
- 17 Campinas (SP) 30
- 18 Cuiabá (MT) 27
- 19 Teresina (PI) 26
- 20 Maringá (PR) 26
- 21 João Pessoa (PB) 25
- 22 Palhoça (SC) 25
- 23 Campo Grande (MS) 24
- 24 Natal (RN) 23
- 25 Guarulhos (SP) 22
- 26 São José do Rio Preto (SP) 22
- 27 Joinville (SC) 22
- 28 Diadema (SP) 21
- 29 Sorocaba (SP) 21
- 30 Caucaia (CE) 20
What activity 3702-9/00 is
- Section E — Água, esgoto, atividades de gestão de resíduos e descontaminação
- Division — Esgoto e atividades relacionadas
- Group — Esgoto e atividades relacionadas
- Class — Atividades relacionadas a esgoto, exceto a gestão de redes
What it covers
- O esvaziamento e a limpeza de tanques de infiltração e fossas sépticas, sumidouros e poços de esgoto
- A limpeza de caixas de esgoto, galerias de águas pluviais e tubulações
- A retirada de lama
- Os serviços de limpeza em sanitários químicos
What it does not cover
- A captação, tratamento e distribuição de água (3600-6/01)Classified under: 3600-6/01 Captação, tratamento e distribuição de água
- A construção, manutenção e reparação de redes de esgoto (4222-7/01)Classified under: 4222-7/01 Construção de redes de abastecimento de água, coleta de esgoto e construções correlatas, exceto obras de irrigação
- A desinfecção, desratização, descupinização de edifícios (8122-2/00)Classified under: 8122-2/00 Imunização e controle de pragas urbanas
- Os serviços de dragagem (4291-0/00)Classified under: 4291-0/00 Obras portuárias, marítimas e fluviais
- A locação de sanitários químicos para uso em eventos, construção civil, etc. (7729-2/99)Classified under: 7729-2/99 Aluguel de outros objetos pessoais e domésticos não especificados anteriormente
Typical activities
- Esvaziamento e limpeza de tanques de infiltração e fossas sépticas, sumidouros e poços de esgoto
- Limpeza de caixas de esgoto, galerias de águas pluviais e tubulações
- Serviços de desentupimento de galerias pluviais
- Serviços de esvaziamento de fossas sépticas
- Serviços de limpeza de canais urbanos
- Serviços de limpeza de fossas sépticas
- Serviços de limpeza de galerias pluviais
- Serviços de limpeza de tanques de infiltração
- Serviços de limpeza em sanitários químicos
- Serviços de retirada de lama
Frequently asked questions about CNAE 3702-9/00
How many CNAE 3702-9/00 companies are there in Brazil?
4,896 active companies have CNAE 3702-9/00 as their main activity, according to the Receita Federal's October 2026 publication. It is 441st among the country's activities by companies.
Which federative unit has the most companies in this activity?
São Paulo, with 1,384. 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.