| # | 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 |
Samarcosamarco.com
A company founded in 1977 that produces iron ore pellets for the steel industry, operating in 19 countries and committed to environmental and social responsibility |
3,573 |
| 4 |
AngloGold Ashanti Brasilanglogoldashanti.com.br
Leading gold producer in Brazil with nearly two centuries of operation, focusing on innovation, safety, and sustainable practices across its mining, energy, and real estate sectors. |
2,902 |
| 5 |
U&M Mineração e Construção S/Auem.com.br
A company focused on safety, environmental harmony, and community involvement Achieved certifications in quality, environmental, and occupational health management Recognized for employee participation and excellence |
2,238 |
| 6 |
Geosol Geologia e Sondagens S.A.geosol.com.br
A world-leading geology company specializing in geological drilling and mineral engineering programs, with a strong focus on iron ore drilling Established in 1953 |
1,852 |
| 7 |
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 |
| 8 |
Kinross Brasil Mineraçãokinross.com.br
A leading gold producer in Brazil, specializing in mineral exploration, mining, ore processing, and gold sales, with a strong focus on sustainability and community development |
1,502 |
| 9 |
Aperam no Brasilbrasil.aperam.com
Integrated producer of stainless, electrical, and special carbon steels providing sustainable industrial solutions across global offices through innovation and market leading manufacturing. |
1,407 |
| 10 |
Jaguar Mining Inc.jaguarmining.com.br
One of Brazil's largest gold miners operating in MG with a focus on sustainable development and best practices #proudto bejaguar |
1,312 |
| 11 |
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 |
| 12 |
Mirantemiranteengenharia.com.br
A Minas Gerais based engineering company specializing in technological measurement solutions for various industries, offering services including 3D scanning, topography, and aerial mapping |
987 |
| 13 |
Mineração Usiminasusiminas.com
A supplier of high-quality iron ore nationally and internationally through innovation and technology, focusing on safety, environmental respect, and economic development |
871 |
| 14 |
Metalsidermetalsider.com.br
A non-integrated steel producer that manufactures and sells pig iron directly to various industries like automotive, foundries, and steel mills |
852 |
| 15 |
J. Mendesjmendes.com.br
An integral part of the J Mendes group, the company specializes in the extraction, processing, and sale of high-quality iron ore, contributing to the country's economic growth |
793 |
| 16 |
MECBRUN INDUSTRIALmecbrun.com.br
Industrial services provider offering metalworking, machining, fabrication, assembly, equipment rental, and movement services Strong focus on quality, efficiency, and customer satisfaction |
785 |
| 17 |
GMIN Mina TZbrazauro.com.br
Specializing in mining exploration, the company conducts research and analysis to identify potential mineral deposits for extraction and development |
774 |
| 18 |
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 |
| 19 |
NAMISA - Nacional Minérios S.A. - CSN Group
An international mining operation with a focus on iron ore production, utilizing strategic mining and processing facilities in Brazil |
614 |
| 20 |
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 |
| 21 |
Itaminasitaminas.com.br
An iron ore extraction company utilizing open-pit mining and ore processing to produce various products like Sinter Feed Concentrate, Hematitinha, and Pellet Feed |
591 |
| 22 |
Serabi Mineração SAserabigold.com
Based in the UK, the company specializes in gold mining operations in the Tapajós geological region in northern Brazil |
582 |
| 23 |
Skavaskavaminas.com.br
A nationally renowned provider of mining, excavation, and heavy equipment rental solutions with a focus on ore extraction and earth moving |
526 |
| 24 |
OZ Minerals Brazilozminerals.com
Modern global copper mining company headquartered in South Australia, listed on ASX100, focused on value creation and growth strategy. |
479 |
| 25 |
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 |
| 26 |
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 |
| 27 |
FLAPA - Engenharia e Mineraçãoflapa.com.br
A company specializing in engineering and mining services, including earthworks, civil works, mining operations, equipment rental, crushing, and beneficiation |
448 |
| 28 |
Herculano Mineraçãoherculanomineracao.com.br
Specializing in the extraction, processing, and sale of iron ore products with a focus on environmental education and sustainable practices |
438 |
| 29 |
Cedro Mineraçãocedromineracao.com.br
A specialized mining company focused on extracting, processing, and selling iron ore sustainably, contributing to various economic sectors with environmental respect and community involvement |
430 |
| 30 |
TSL TRANSPORTEStransportestsl.com.br
Engineering and mining solutions provider emphasizing close collaboration with partners and clients to efficiently address specific needs |
426 |
| 31 |
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 |
| 32 |
Gerdau Açominas S.A.
A mining and metals organization located in Minas Gerais, Brazil, specializing in the production and distribution of steel and related products |
411 |
| 33 |
Dinex Engenharia Mineraldinex.com.br
Founded in 1993, this business operates in various mining sectors, offering engineering studies, rock blasting, geological drilling, labor leasing, and special demolitions |
396 |
| 34 |
GRUPO AVANTEgrupoavante.com.br
We are a group focused on sustainable mining and logistics operations in Minas Gerais, prioritizing respect, transparency, and community development |
393 |
| 35 |
Viena Siderúrgica do Maranhão S/Avienairon.com.br
A mining and metals business located in Belo Horizonte, Brazil, specializing in siderurgy in the Maranhão region |
373 |
| 36 |
Grupo AVGavg.com.br
The group specializes in iron and mining activities, while also being involved in energy generation, charcoal production, forestry, and vehicle industries |
373 |
| 37 |
SAFM Mineraçãosafm.com.br
A mining company in the national iron ore market, focusing on sustainable production of high-quality ore near a strategic transport route |
362 |
| 38 |
BVP Geotecnia e Hidrotecniabvp.eng.br
With over 30 years of experience, we specialize in Geotechnical, Hydrotechnical, and Geological consulting and project development for Mining, Energy, and Infrastructure sectors |
342 |
| 39 |
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 |
| 40 |
Ternium Brasil S.A.br.ternium.com
A mining & metals entity located in Belo Horizonte, Brazil, specializing in the extraction and processing of minerals for various industries |
295 |
| 41 |
Calcário Cazanga - Mineração João Vaz Sobrinhocazanga.com.br
A company with over four decades of experience transforming natural resources into value, prioritizing sustainability and a commitment to people |
180 |
| 42 |
Gecal Ltdagecal.com.br
A Brazilian business focused on converting limestone into high-quality products, prioritizing sustainability, responsibility, and customer satisfaction over nearly three decades |
176 |
| 43 |
Eckoeckomining.com.br
Ecomining America specializes in mining and steel trading, delivering agile, secure, and transparent solutions They prioritize simplicity, efficiency, and strong relationships with clients and suppliers |
154 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 Oct 24, 2026.
More company lists in Minas Gerais
- The largest companies in Minas Gerais 1,437
- Retail companies in Minas Gerais 93
- Manufacturers in Minas Gerais 88
- Retail chains in Minas Gerais 80
- Construction companies in Minas Gerais 69
- Hospitals and Health Care companies in Minas Gerais 66
- Education providers in Minas Gerais 65
- Critical infrastructure operators in Minas Gerais 64
- Healthcare providers in Minas Gerais 63
- Higher Education companies in Minas Gerais 63
- Wellness and Fitness Services companies in Minas Gerais 53
- IT Services and IT Consulting companies in Minas Gerais 51
- Government Administration companies in Minas Gerais 46
- Farming companies in Minas Gerais 44
- Financial Services companies in Minas Gerais 38
- Food and Beverage Services companies in Minas Gerais 37
- Public sector organisations in Minas Gerais 37
- Food and beverage companies in Minas Gerais 35
- Food and Beverage Manufacturing companies in Minas Gerais 33
- Civil Engineering companies in Minas Gerais 32
- Distributors and wholesalers in Minas Gerais 32
- Consumer goods companies in Minas Gerais 30
- E-commerce companies in Minas Gerais 30
- Transportation, Logistics, Supply Chain and Storage companies in Minas Gerais 30