CNAE 2341-9/00 · São Paulo
Fabricação de produtos cerâmicos refratários in São Paulo
98 active companies are headquartered in São Paulo with this CNAE as their main activity. They represent 25.4% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 386
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 São Paulo
- 98
- 25.4% of Brazil's
- Of every 100 companies in São Paulo
- 0.0
- do this activity
- Among Brazil's federative units
- 1st
- by companies in this activity
Active companies in São Paulo
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 4- INDUSTRIAS BRASILEIRAS DE ARTIGOS REFRATARIOS - IBAR - LTDAPoá (SP)
- RTT ENGINEERED SOLUTIONS LTDAAtibaia (SP)
- SHINAGAWA REFRATARIOS DO BRASIL LTDAVinhedo (SP)
- RIBER-SID INDUSTRIA, COMERCIO E TRANSPORTE LTDARibeirão Preto (SP)
- WEERULIN DO BRASIL REFRATARIOS ESPECIAIS LTDA.Itaquaquecetuba (SP)
- REFRATARIOS MODELO LTDASão Paulo (SP)
- PYROTEK TECNOLOGIA LTDAJundiaí (SP)
- ESTIVA REFRATARIOS ESPECIAIS LIMITADAEstiva Gerbi (SP)
- CARBOOX RESENDE INDUSTRIA E COMERCIO DE REFRATARIOS LTDASão Paulo (SP)
- QUANTA MINERAL LTDACordeirópolis (SP)
- CORONA CADINHOS E REFRATARIOS LTDADiadema (SP)
- INDUSTRIA DE PORCELANA TECNICA CHIAROTTI LTDAMauá (SP)
- MONIQUE FILIER TEIXEIRA DO AMARAL OLIVEIRA LTDASanta Gertrudes (SP)
- MINERALTECH - PRODUTOS PARA FUNDICAO LTDARio Claro (SP)
- KROSAKI IBAR REFRATARIOS LTDAPoá (SP)
- REFRATARIOS PAULISTA INDUSTRIA E COMERCIO LTDAMogi Guaçu (SP)
- MACEA CERAMICA TECNICA LTDA.São Paulo (SP)
- INSERTEC REFRATARIOS DO BRASIL LTDAPiracicaba (SP)
- TENAZ PRODUTOS CERAMICOS REFRATARIOS LTDADiadema (SP)
- DRG REFRATARIO LTDASão Roque (SP)
- ALFA INDUSTRIA E COMERCIO DE PORCELANAS LTDAAmparo (SP)
- AVANTECH TECNOLOGIA EM REFRATARIOS AVANCADOS LTDAVinhedo (SP)
- QM SOLUCOES INDUSTRIAIS LTDAMogi das Cruzes (SP)
- ALEX DE OLIVEIRA LTDALeme (SP)
- REDENTOR INDUSTRIA E COMERCIO DE BALAUSTRES LTDALeme (SP)
- TETRALITE FIREPROOF LTDAMairiporã (SP)
- INOPLASTIC INDUSTRIA E COMERCIO LTDASão Paulo (SP)
- CONIC FIBER DO BRASIL LTDAIndaiatuba (SP)
- RECICRE INDUSTRIA E COMERCIO DE REFRATARIOS LTDAPiracicaba (SP)
- THERMOCERAM PRODUTOS CERAMICOS LTDAMogi Guaçu (SP)
List limited to 98 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
- São Paulo0.0
- Brazil0.0
In São Paulo, the activity weighs less than in Brazil.
São Paulo's cities with the most companies in this activity
active companies and each city's share of the state
- 1 São Paulo 8.2% 8
- 2 Leme 6.1% 6
- 3 Diadema 5.1% 5
- 4 Pedreira 5.1% 5
- 5 Mogi Guaçu 4.1% 4
- 6 Piracicaba 4.1% 4
- 7 Rio Claro 4.1% 4
- 8 São Carlos 4.1% 4
- 9 Bragança Paulista 3.1% 3
- 10 Poá 3.1% 3
20 more cities
- 11 São Roque 3
- 12 Valinhos 3
- 13 Indaiatuba 2
- 14 Itaquaquecetuba 2
- 15 Jaboticabal 2
- 16 Louveira 2
- 17 Mogi das Cruzes 2
- 18 Pirapora do Bom Jesus 2
- 19 Suzano 2
- 20 Vinhedo 2
- 21 Estiva Gerbi 1
- 22 Amparo 1
- 23 Arujá 1
- 24 Atibaia 1
- 25 Barretos 1
- 26 Bom Jesus dos Perdões 1
- 27 Campinas 1
- 28 Cordeirópolis 1
- 29 Divinolândia 1
- 30 Ibiúna 1
What activity 2341-9/00 is
- A fabricação de artefatos refratários de cerâmica (tijolos, ladrilhos e semelhantes)
- A fabricação de materiais refratários aluminosos, silicosos, sílico-aluminosos, grafitosos, pós-exotérmicos, chamote e semelhantes
Frequently asked questions
How many companies have main CNAE 2341-9/00 in São Paulo?
98 active companies have CNAE 2341-9/00 as their main activity in São Paulo, according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.0 in Brazil.
Which of São Paulo's cities has the most companies in this activity?
São Paulo, with 8, 8.2% 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 São Paulo.