Company lists · Data refreshed September 2026
Top 25 Gemstone manufacturers based in Brazil
RevenueBase identified 592 gemstone manufacturers headquartered in Brazil as of September 2026 and tracks 6,598 professional contacts across them, including 787 with verified work emails. Sao Paulo is the largest hub.
This list covers gemstone manufacturers headquartered in Brazil, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest gemstone manufacturers based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 886 contacts → | ||||
Indirect evidence “Com 80 anos de história, a HStern é reconhecida mundialmente pelos conceitos criativos, iniciativas pioneiras e qualidade tradicional de suas joias.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 441 contacts → | ||||
Indirect evidence “Guidoni Group brings the expertise of more than 25 years in the market of extraction and processing of natural stones.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 208 contacts → | ||||
Indirect evidence “Grupo Corcovado Brasigran: chapas e blocos de pedra natural.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 179 contacts → | ||||
Indirect evidence “Founded in 2006, in Serra, Espírito Santo (Brazil), PBA Stones is a Brazilian stone processing and selling company, operating both in the domestic and international markets…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 164 contacts → | ||||
Indirect evidence “A Marbrasa é pioneira no segmento, e há 57 anos inspira pessoas a aproveitar as riquezas que a natureza oferece, com qualidade na entrega de produtos e serviços.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 152 contacts → | ||||
Indirect evidence “Founded in Decolores are always in search of innovation to meet the tendencies of the evercharging global stone market.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 135 contacts → | ||||
Indirect evidence “Vitoria Stone Group is one of the market leaders specializing in Ornamental Stones in Brazil.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 122 contacts → | ||||
Indirect evidence “A Gramazini foi fundada em 1992 por João Thomazini, em Cachoeiro de Itapemirim, com o objetivo de produzir os melhores materiais para os mercados interno e externo.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 120 contacts → | ||||
Indirect evidence “With three decades of experience, GSM Group is a global leader in quality and innovation in the ornamental stone market.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 99 contacts → | ||||
Indirect evidence “Granos is a second-generation, family-owned natural stone company with almost 40 years of expertise and one of Brazil’s largest processing operations in the North and Northeast…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 79 contacts → | ||||
Indirect evidence “A Cajugram é uma referência global no segmento de revestimentos, com 35 anos de experiência e excelência.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 71 contacts → | ||||
Indirect evidence “For 18 years, Jack Vartanian has created collections infused with a unique blend of tradition, sophistication, and cutting edge design in a way that enhances the natural beauty of…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 66 contacts → | ||||
Indirect evidence “The mineral wealth and geographical reality of the Espírito Santo led to the emergence of the industries of extraction and processing of ornamental stones in the southern state of…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 65 contacts → | ||||
Indirect evidence “About us The Qualitá Group has been in the ornamental stone market for more than 30 years, investing in innovation and sustainability.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 62 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 58 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 49 contacts → | ||||
Indirect evidence “A Pedra do Frade nasceu com a missão de preservar, lapidar e revelar ao mundo as rochas ornamentais brasileiras.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 48 contacts → | ||||
Indirect evidence “Starting almost 40 years ago with only one quarry, Gramil has rapidly become a leading company in the stone industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 47 contacts → | ||||
Indirect evidence “Presente no mercado desde localizada no principal polo de rochas ornamentais do Brasil, o município de Cachoeiro de Itapemirim, na região sul do estado do Espírito Santo, em uma…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 45 contacts → | ||||
Indirect evidence “Granistone A Rocha é uma referência no setor de rochas naturais exóticas, reconhecida pela sofisticação e excelência em todos os aspectos de seus produtos.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 45 contacts → | ||||
Indirect evidence “No dia 18 de Dezembro de 1986 surge no munícipio de Atílio Vivácqua esta sólida empresa, que um dia viria se tornar referência em uma cidade cercada de histórias e marcante…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 42 contacts → | ||||
Indirect evidence “Há mais de 40 anos, a Gramarcal transforma rochas em arte e tradição em confiança.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 36 contacts → | ||||
Indirect evidence “Com 40 anos de experiência, o Marcel Group é referência nacional na extração, beneficiamento e comercialização de rochas ornamentais.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 31 contacts → | ||||
Indirect evidence “Há mais de 11 anos no mercado de rochas ornamentais, a Milgran fica localizada próxima das principais jazidas de granitos do mundo.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 30 contacts → | ||||
Indirect evidence “MaqStone was established in 2001.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: gemstone manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names gemstone manufacturers.
- Partial evidence
- Its own public description names part of gemstone manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name gemstone manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 592 gemstone manufacturers based in Brazil
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Gemstone manufacturers based in Brazil at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 592 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among gemstone manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Brazil whose own description of what they do matches “gemstone manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names gemstone manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among gemstone manufacturers, and records with no verified work email. Companies headquartered outside Brazil are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 787 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Gemstone manufacturers by metro
- Gemstone manufacturers in Sao Paulo77
- Gemstone manufacturers in Cachoeiro De Itapemirim53
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names gemstone manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many gemstone manufacturers are there based in Brazil?
RevenueBase identified 592 gemstone manufacturers headquartered in Brazil as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Hstern, headquartered in Rio De Janeiro, tops this list with the largest team on record.
Which city has the most gemstone manufacturers?
Sao Paulo leads with 77 headquartered companies, followed by Cachoeiro De Itapemirim (53) and Serra (21).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 787 verified decision-maker contacts tracked across these 592 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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