CNAE 3811-4/00 · Piauí

Collection of non-hazardous waste in Piauí

278 active companies are headquartered in Piauí with this CNAE as their main activity. They represent 1.3% of Brazil's active companies with the same main activity.

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

The same activity in Brazil 21,684

What this list shows

We count each active company once, by its head office in this state 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 Piauí: 278; 1.3% of Brazil's
Of every 100 companies in Piauí: 0.1; do this activity
Among Brazil's federative units: 18th; by companies in this activity

Active companies in Piauí

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 7 of 10

JOSE WILLAMES BORGES DOS SANTOSTeresina (PI)
WILLIAN WALBER DE CARVALHO SILVACocal (PI)
FRANCISCO RANIERY BARRETO DE SIQUEIRACocal (PI)
ADAIDE JOSE DE SOUSAMarcolândia (PI)
AFRANIO VIEIRA DE SA JUNIOROeiras (PI)
MARCELO RODRIGUES DO NASCIMENTOTeresina (PI)
ALISSON SILVA SANTOSElesbão Veloso (PI)
AILTON DO NASCIMENTO DE OLIVEIRASão Miguel do Tapuio (PI)
GEORGE LOPES AGUIAR JUNIORLuzilândia (PI)
D S DA C LOPESParnaíba (PI)
PAULO COSME DA SILVAPicos (PI)
CARLOS ALEXANDRE ALVES SILVAAssunção do Piauí (PI)
ELIAS FERREIRA DA SILVATeresina (PI)
ANTONIO JOSE DE SOUSATeresina (PI)
CLAUDEIR DE ABREUBarro Duro (PI)
DAVID ALEXANDRINO DE SOUSAÁgua Branca (PI)
ANTONIO PASCOAL COELHO DE OLIVEIRAAcauã (PI)
DERIVALDO MARTINS DA SILVATeresina (PI)
JOSE RICARDO DA SILVA ABREUJuazeiro do Piauí (PI)
FRANCISCO BARBOSATeresina (PI)
MAILAN DE CARVALHO ARAUJOCaridade do Piauí (PI)
MURILO DE CARVALHO ARAUJOCaridade do Piauí (PI)
LINDOLFO VIEIRA DE CARVALHO NETOParnaíba (PI)
RAIR DA SILVA OLIVEIRADemerval Lobão (PI)
SEBASTIAO DE LIRA VIANATeresina (PI)
FLORIANO MESQUITA FILHOMatias Olímpio (PI)
VALDIVETE DIAS DE SOUZA SILVABetânia do Piauí (PI)
AFONSO HENRIQUE DOS SANTOS SILVAMarcolândia (PI)
JOSENILSON DA SILVAJuazeiro do Piauí (PI)
ANTONIO CARLOS DA SILVA GOMESJuazeiro do Piauí (PI)

List limited to 278 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 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.

How much the activity weighs

of every 100 active companies, how many do this activity

Piauí0.1
Brazil0.1

In Piauí, the activity weighs 1.5 times what it does in Brazil.

Piauí's cities with the most companies in this activity

active companies and each city's share of the state

1 Teresina 33.1% 92
2 Acauã 5.4% 15
3 Parnaíba 5.0% 14
4 Juazeiro do Piauí 4.7% 13
5 Lagoa do Piauí 2.5% 7
6 Picos 2.5% 7
7 Paulistana 2.2% 6
8 José de Freitas 1.8% 5
9 Cocal 1.4% 4
10 Regeneração 1.4% 4

20 more cities

Class 3811-4 in Piauí

coleta de resíduos não perigosos, by subclass

Close to this: 3821-1/00 · Treatment and disposal of non-hazardous waste, 9 companies in Piauí.

What activity 3811-4/00 is

A coleta de resíduos não-perigosos de origem doméstica, urbana ou industrial por meio de lixeiras, veículos, caçambas, etc.
A coleta de materiais recuperáveis
A coleta de resíduos em pequenas lixeiras públicas

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 3811-4/00 in Piauí?

278 active companies have CNAE 3811-4/00 as their main activity in Piauí, according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.1 in Brazil.

Which of Piauí's cities has the most companies in this activity?

Teresina, with 92, 33.1% of the state's companies in this activity.

Why can this total differ from the companies operating in this state?

This scope counts active companies by their head office and registered main activity. A company may operate in this state 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 Piauí.