| # | Company | Employees |
|---|---|---|
| 1 | 4,006 | |
| 2 |
Elecnor do Brasilelecnor.com.br
Global engineering and construction firm with a focus on infrastructure projects, renewable energy, and environmental initiatives, operating in 53 countries worldwide |
3,720 |
| 3 |
Araujo Abreu Engenhariaaraujoabreu.com.br
A leading company in Engineering Installation Services, specializing in Maintenance, Automation, and Building Services Committed to quality and customer satisfaction |
2,967 |
| 4 |
Álya Construtoraalyaconstrutora.com.br
Since 1953, we offer innovative solutions for complex construction projects, striving to improve people's lives while respecting the environment and individuals |
2,886 |
| 5 |
MPE Engenharia e Serviços S.Ampeengenharia.com.br
A national innovation-driven entity specializing in projects, constructions, installations, and maintenance across various sectors, committed to ethical and transparent management |
1,482 |
| 6 |
Tecnosonda S/Atecnosonda.com.br
An established engineering entity offering specialized services in geotechnics, foundations, civil construction, electromechanics, industrial maintenance, and turnkey EPC contracts nationwide |
1,362 |
| 7 |
Construtora Norberto Odebrecht S.A.odebrecht.com
A construction company based in Rio De Janeiro, Brazil specializing in various construction projects |
999 |
| 8 |
CYMI BRASILcymi.com.br
With over 60 years of experience, we specialize in infrastructure concessions, energy transmission, substations, and now also operate in sanitation and renewable energy sectors |
992 |
| 9 |
Grupo Queiroz Galvãoqueirozgalvao.com.br
The company focuses on providing infrastructure for growth, social development, and environmental respect through various sectors like construction, real estate, and oil & gas |
725 |
| 10 |
DELTA CONSTRUÇÃO CIVIL S/Adeltaconstrucao.com.br
A company founded in 1961 in Recife, specializing in road construction, infrastructure, sanitation, buildings, environmental engineering, and continuous services |
601 |
| 11 |
Consórcio Construtor Galeão
Specialized consortium in renovation, expansion, and new construction projects at Antonio Carlos Jobim International Airport in Rio de Janeiro |
529 |
| 12 |
Grupo MBPmbp.com.br
With a focus on quality and innovation, this group offers a wide range of solutions in areas such as construction, steel structures, refrigeration, and agriculture |
520 |
| 13 |
CET BRAZIL EQUIPAMENTOS DE ENERGIA ELETRICA E TECNOLOGIA LTDAcetbrazil.com.br
Specializing in renewable energy transmission & distribution, providing EPC project management services Offering full EPC solutions for electric and renewable energy sectors Visit website for details |
513 |
| 14 |
CYMI O&M LTDAcymibr.com
A global provider of industrial services within the ACS Group, offering comprehensive services to local clients |
506 |
| 15 |
NHJ do Brasilnhjdobrasil.com.br
Provider of pioneering solutions for temporary space and accommodation needs through sale and rental of maritime containers and modular construction Serving various sectors nationwide |
486 |
| 16 |
Grupo Compelgrupocompel.com.br
A group of companies with 35 years of experience providing quality and efficient electrical solutions to 21 million consumers in SP, RJ, and MS Operating in various sectors |
454 |
| 17 |
Construtora Lytorânealytoranea.com.br
Specializing in construction in Rio De Janeiro, Brazil Located in Itaguai, the company offers various building services |
427 |
| 18 |
MJRE Construtora Ltdamjre.com.br
Specialized infrastructure construction company in Rio de Janeiro with ISO 9001:2015 certification Known for high-quality roadworks and timely project delivery since 2003 |
418 |
| 19 |
Botafogo Lar & Lazerlojabtf.com.br
Manufacturer and seller of aluminum-derived products, specializing in household items and leisure products |
406 |
| 20 |
Carvalho Hoskencarvalhohosken.com.br
A real estate developer in Rio de Janeiro specializing in creating innovative, high-quality residential and commercial communities focused on enhancing quality of life and the environment |
391 |
| 21 |
Soter Engenhariasoter.com.br
Real estate developer and builder with over 55 years of experience in Niterói, creating unique spaces for unforgettable moments Contact us for more information |
380 |
| 22 |
Construtora Calpercalper.com.br
Specializing in real estate development, our organization focuses on creating architecturally unique and high-quality buildings while emphasizing professional ethics and sustainable practices |
378 |
| 23 |
Grupo Scallegruposcalle.com.br
Specializing in providing services to public sector companies since 2013, we emphasize quality, transparency, and efficiency in nationwide contract execution |
371 |
| 24 |
MIPE Construções e Montagens Ltdamipeengenharia.com.br
Specialized team applying modern construction technologies to various sectors, including industry, buildings, infrastructure, and sanitation, serving public and private clients nationwide |
360 |
| 25 |
Rodocon Construcoes Rodoviarias Ltda.gruporodocon.com.br
A family-run company with over 60 years of national experience in road construction, green area maintenance, waste collection and treatment, emphasizing quality and environmental responsibility |
339 |
| 26 |
Concrelagos Concreto S/Aconcrelagos.com.br
A construction business with a solid foundation, focusing on providing high-quality concrete products and services across Brazil |
311 |
| 27 |
GERCONgercon.com.br
Engineering, civil construction, and real estate development company specializing in industrial plants, warehouses, commercial buildings, distribution centers, residential buildings, and more |
213 |
| 28 |
Elétrica e Hidráulicaeletricistarecreio.com.br
A manufacturer providing products in compliance with the new Brazilian socket standard NBR 14136, ensuring adherence to current technical regulations |
184 |
| 29 |
Departamento de Estradas de Rodagem do Rio de Janeiro - DER/RJder.rj.gov.br
A construction organization based in Rio de Janeiro, Brazil, specializing in road infrastructure under the Department of State Roads - DER/RJ |
172 |
| 30 |
Construtora Vitaleconstrutoravitale.com.br
The company builds high-quality, sustainable real estate with a focus on improving society and the environment for a better quality of life |
160 |
| 31 |
VALEPLAST Ind. e Com. de Plásticos V.P. LTDAvaleplast.com.br
Specializing in manufacturing polyethylene hoses since 1993, the company has expanded its product line to include various sectors such as construction, agriculture, and EPI |
157 |
| 32 |
Fator Towers Engenharia e Construtorafatortowers.com.br
A leading player in the construction and healthcare industries, specializing in designing, building, and managing high-quality institutions Over 65 years of experience with notable projects |
148 |
| 33 |
Civilport Engenhariacivilport.com.br
Specializing in heavy civil construction, the company operates in the national infrastructure market with a focus on port, industrial, and urban projects |
148 |
| 34 |
PlacoCenter RJ
A company specializing in lightweight and quick construction solutions, leading the Brazilian market in drywall for architectural and construction projects |
29 |
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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.
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