These are large and mid-sized companies in Minas Gerais primarily focused on mining and chemical manufacturing, with a strong emphasis on steel production and industrial materials. Many of these firms have a long history, with several founded in the mid-20th century, indicating established operations.
ArcelorMittal Brasil and USIMINAS are major steel producers, while CBMM specializes in transforming materials, and RIMA Industrial S/A produces silicon and magnesium alloys. Start Química is a chemical company focusing on cleaning products, and LD Celulose S. A. is a partnership for soluble cellulose production. The concentration of headquarters in Belo Horizonte is notable, alongside a mix of sectors that also includes agricultural nutrients and environmental sanitation.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
ArcelorMittal Brasilbrasil.arcelormittal.com
Global producer of long and flat steel solutions serving automotive, construction, and appliance industries through industrial plants and iron ore mining operations. |
12,262 | |||
| 2 |
USIMINASusiminas.com
Leading South American steel manufacturer with a focus on excellence in flat steel production, social responsibility, and continuous evolution since 1962 |
10,710 | |||
| 3 | 2,102 | ||||
| 4 |
ArcelorMittal Long Carbon LATAMbrasil.arcelormittal.com
Leading Brazilian manufacturer of long and drawn steels providing comprehensive product portfolios for civil construction, industrial applications and diverse agribusiness sector needs. |
1,794 | |||
| 5 |
RIMA Industrial S/Arima.com.br
Leading producer of silicon and magnesium alloys in Brazil, also producing primary magnesium in the Southern Hemisphere Committed to quality, sustainability, and innovation since 1987 |
1,571 | |||
| 6 |
LD Celulose S. A.ldcelulose.com.br
A partnership between Austrian and Brazilian companies to build one of the world's largest soluble cellulose factories, using certified raw materials for environmentally friendly fiber production |
1,050 | |||
| 7 |
Votorantim Siderurgiabrasil.arcelormittal.com
A leading national steel producer with operations in Brazil, Argentina, and Colombia, specializing in long steel products for various industries |
1,029 | |||
| 8 |
Start Químicastartquimica.com.br
A chemical company founded in 1987, specializing in cleaning products for various industries and households, prioritizing quality, innovation, and customer satisfaction |
987 | |||
| 9 |
Multitécnicamultitecnica.com.br
A leading supplier of minerals for various industries, with a focus on transparency, respect, and continuous improvement in product lines and processes Serving international and Brazilian markets with high quality standards |
864 | |||
| 10 |
Grupo BAUMINASbauminas.com.br
A national group of 5 integrated companies focused on environmental sanitation, plant and animal nutrition, leading in water treatment products and services |
853 | |||
| 11 |
Grupo Ferroestegrupoferroeste.com.br
Providing renewable products with superior quality, customer satisfaction, and environmental respect, positioning the brand as one of the most respected in the Brazilian industry |
660 | |||
| 12 |
AMG Brasilamg-br.com
A company with over a century of market presence, producing and globally distributing certified materials crucial for current and future technologies Focused on critical minerals, special materials, and energy production |
605 | |||
| 13 |
Mineração Curimbabacurimbaba.com.br
A pioneering mining venture founded in 1940 in Poços de Caldas, Brazil, that specializes in bauxite extraction and potassium rock fertilizer development |
470 | |||
| 14 |
Ubyfolubyfol.com
A Brazilian multinational specializing in developing high-tech nutrient products for agricultural crops, focused on employee success and customer satisfaction |
470 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 15 |
Ligas de Aluminio S.A. - LIASAliasa.com.br
The company is a leading producer of metallic silicon in Latin America, pioneering the use of charcoal as a reducing agent in production |
465 | |||
| 16 |
Sumiriko do Brasil Rubber Industry LTDAus.sumiriko.com
A manufacturer of anti-vibration rubber products prioritizing safety, teamwork, and respect for its diverse workforce, serving major automotive customers worldwide |
423 | |||
| 17 |
Vulcaflex Indústria e Comércio Ltdavulcaflex.com.br
Manufacturer of high-quality products since 1990, expanding operations globally to provide partners with efficiency and economy in various markets |
421 | |||
| 18 |
Ical Indústria de Calcinação Ltda.ical.com.br
Brazilian industry specializing in producing lime for over 60 years Committed to innovation and high-quality products and services, focusing on customer needs |
414 | |||
| 19 |
MINASLIGAS S.Aminasligas.com.br
A producer of Ferro Silício, Silício Metálico, and Microsílica, meeting national and international market demands with four decades of experience |
368 | |||
| 20 |
Terrena Agronegócios Ltdaterrenaagro.com.br
Develops agriculture by producing and distributing agricultural inputs such as fertilizers, seeds, and crop protection products, alongside offering precision agriculture and chemical analysis services. |
347 | |||
| 21 |
Pedreira Um Valemixpedreiraumvalemix.com.br
A leading construction materials supplier in 8 cities, providing aggregates, ready-mix concrete, and industrialized mortars Also involved in mineral extraction for steel industries |
320 | |||
| 22 |
ACTECHactechbr.com
We ensure product quality, environmental preservation, and workplace safety through a commitment to continuous improvement and alignment with social responsibility initiatives |
316 | |||
| 23 |
Lallemand Plant Care Brasillinktr.ee
Global leader in developing, producing, and marketing microorganisms for various applications |
272 | |||
| 24 |
Soft Film Indústria e Comércio de Plásticos Ltdasoftfilm.com.br
Manufacturing plastic products for various industries, providing solutions through innovative designs and high-quality materials |
248 | |||
| 25 |
BOZEL BRASILbozel.com
Leading producer of calcium silicon alloys and ferro silicon for the steel industry with global exports and multiple cored wire production units. |
225 | |||
| 26 |
Super Globosuperglobo.com.br
A leading brand in cleaning products, offering a range of chlorinated, scented, and multi-purpose cleaners that prioritize efficiency, innovation, and environmental sustainability |
205 | |||
| 27 |
Verde Agritechverde.ag
An agricultural technology company producing fertilizers to promote healthier and more productive farming in partnership with nature for a sustainable planet |
183 | |||
| 28 |
TECNOSULFURtecnosulfur.com.br
Specializing in treating hot metals in various industries, providing inputs, equipment, and services globally with a focus on innovation and high standards |
133 | |||
| 29 |
Saint-Gobain Materiais Cerâmicos
Manufacturer of high value components including grains, powders, ceramics, photonics, scintillation products, quartz products, and refractories for industrial markets like steel and glass furnaces |
5 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
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