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    CNAE 3701100 Companies · Gestão de redes de esgoto

    The CNAE brings together 934 registered establishments, of which 655 are active (70.1% of the activity's base).

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    National position882th among the top CNAEs.
    Receita Federal dataRegistration data organized by CNPJ Data.
    Reference dateAugust 09, 2026

    Visual reading

    CNAE indicators in numbers

    Visual comparison of registration status, geographic distribution and annual dynamics. The complete tables and texts remain available for consultation.

    Registration status

    Distribution of establishments by status.

    Ativa: 655 (70.1%)Baixada: 160 (17.1%)Inapta: 97 (10.4%)Suspensa: 20 (2.1%)Nula: 2 (0.2%)934estabelecimentos
    • Ativa70.1%
    • Baixada17.1%
    • Inapta10.4%
    • Suspensa2.1%
    • Nula0.2%

    States with the most active companies

    Comparison of the UFs with the highest concentration.

    Cities with the highest concentration

    Top municipalities by active establishments.

    Openings, closures and annual balance

    The 2026 series is partial.

    AberturasBaixasSaldo

    2026

    Aberturas: 34

    Baixas: 8

    Saldo: 26

    87654422019881992199620002004200820122016202020242026

    CNAE 3701100 Panorama

    Reference data as of August 09, 2026. National position: 882th.

    Registered establishments
    934
    Active establishments
    655
    Closed establishments
    160
    Distinct root CNPJs
    665

    CNAE registration status

    Distribution of the activity's establishments by registration status.

    Ativa

    655

    70.1% of the base

    Baixada

    160

    17.1% of the base

    Inapta

    97

    10.4% of the base

    Suspensa

    20

    2.1% of the base

    Nula

    2

    0.2% of the base

    Geographic distribution

    States with the most active companies

    Top 10

    Where the active establishments of this CNAE are concentrated.

    1São Paulo (SP)
    289· 44.1%
    2Paraná (PR)
    45· 6.9%
    3Rio de Janeiro (RJ)
    45· 6.9%
    4Santa Catarina (SC)
    40· 6.1%
    5Rio Grande do Sul (RS)
    35· 5.3%
    6Minas Gerais (MG)
    33· 5.0%
    7Pernambuco (PE)
    26· 4.0%
    8Ceará (CE)
    23· 3.5%
    9Espírito Santo (ES)
    17· 2.6%
    10Amazonas (AM)
    16· 2.4%

    Municipal concentration

    Cities with the highest concentration

    Top 10

    Top municipalities by active establishments.

    1CAMPINAS · SP
    26· 4.0%
    2SAO PAULO · SP
    26· 4.0%
    3RIO DE JANEIRO · RJ
    19· 2.9%
    4MANAUS · AM
    14· 2.1%
    5JACAREI · SP
    14· 2.1%
    6FORTALEZA · CE
    11· 1.7%
    7BARUERI · SP
    9· 1.4%
    8CRATO · CE
    7· 1.1%
    9BELO HORIZONTE · MG
    7· 1.1%
    10CURITIBA · PR
    7· 1.1%

    Full distribution by state

    Active establishments of the CNAE in each federative unit.

    Acre (AC)00.0%
    Alagoas (AL)81.2%
    Amapá (AP)00.0%
    Amazonas (AM)162.4%
    Bahia (BA)91.4%
    Ceará (CE)233.5%
    Distrito Federal (DF)50.8%
    Espírito Santo (ES)172.6%
    Goiás (GO)132.0%
    Maranhão (MA)30.5%
    Mato Grosso (MT)50.8%
    Mato Grosso do Sul (MS)60.9%
    Minas Gerais (MG)335.0%
    Pará (PA)162.4%
    Paraíba (PB)40.6%
    Paraná (PR)456.9%
    Pernambuco (PE)264.0%
    Piauí (PI)20.3%
    Rio de Janeiro (RJ)456.9%
    Rio Grande do Norte (RN)71.1%
    Rio Grande do Sul (RS)355.3%
    Rondônia (RO)40.6%
    Roraima (RR)00.0%
    Santa Catarina (SC)406.1%
    São Paulo (SP)28944.1%
    Sergipe (SE)20.3%
    Tocantins (TO)20.3%

    CNAE business profile

    Distribution of active establishments by company size, tax regime, MEI and the relationship between headquarters and branches.

    Company size

    Microempresa
    182 (27.8%)
    Empresa de Pequeno Porte
    69 (10.5%)
    Média e Grande Empresa
    404 (61.7%)
    Sem informação
    0 (0.0%)

    Simples Nacional

    Optante pelo Simples Nacional
    169 (25.8%)
    Não optante pelo Simples Nacional
    59 (9.0%)
    Sem informação
    427 (65.2%)

    Individual Microentrepreneur

    Microempreendedor Individual
    0 (0.0%)
    Não classificado como MEI
    228 (34.8%)
    Sem informação
    427 (65.2%)

    Headquarters and branches

    Matriz
    385 (58.8%)
    Filial
    270 (41.2%)

    Contact coverage

    Os percentuais indicam a presença dos campos de contato na base de dados. Um campo ausente não significa necessariamente que a empresa não possua telefone ou e-mail.

    With email
    92.1%
    603 records
    With phone
    98.8%
    647 records
    With both
    92.1%
    603 records

    Registration dynamics

    Openings, closures and annual balance. The 2026 period is partial through August 09, 2026.

    YearOpeningsClosuresBalance
    201936927
    2020371027
    2021431330
    2022531835
    2023481335
    202443736
    2025821963
    2026 (partial)34826

    Company list by CNAE

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    Search company files of this CNAE by state, city and registration status. Find CNPJ, legal name, address, phone and email depending on base coverage.

    Search this CNAE's list
    Active establishments
    655
    States with records
    27+
    With phone
    98.8%
    With email
    92.1%

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