This selection of large critical infrastructure operators in Latin America primarily features major financial institutions and energy companies. Key players include Itaú Unibanco, a large bank focusing on empowering people, and Petrobras, an energy company providing ethical and competitive solutions. Other prominent firms are PEMEX, a Mexican oil industry leader, and LATAM Airlines, a South American airline offering a wide network. The list also highlights large healthcare providers like Rede D'Or, Brazil's largest integrated healthcare network, and Claro Brasil, a telecommunications provider.
The data shows a strong concentration of these large operators in Brazil, with São Paulo and Rio de Janeiro emerging as significant hubs. Banking and financial services, alongside oil and gas, are the most represented sectors, indicating their critical role in the region's infrastructure. Many of these companies are well-established, with some, like Banco do Brasil (founded 1808) and CAIXA (founded 1861), having a long history.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Itaú Unibancoitau.com.br
Latin America's largest bank focusing on empowering people's transformation through news, work environment details, opportunities, and trends sharing |
112,811 | |||
| 2 |
Banco Bradescobanco.bradesco
A leading private financial institution focusing on providing efficient solutions, products, and services to promote social mobility and sustainable development |
89,132 | |||
| 3 |
Banco do Brasilbb.com.br
A Brazilian bank focusing on sustainability, supporting agriculture and small businesses, investing in sports, and striving for efficiency to benefit current and future generations |
70,586 | |||
| 4 |
CAIXAcaixa.gov.br
Serving all of Brazil, our mission is centered around you Helping individuals with financial needs through our website Visit caixagovbr |
59,741 | |||
| 5 |
Petrobraspetrobras.com.br
The company aims to provide ethical, safe, and competitive energy solutions while focusing on sustainability, environmental responsibility, and employee well-being |
56,267 | |||
| 6 |
LATAM Airlineslinktr.ee
A leading airline in South America offering the largest network of domestic and international destinations across five markets with a diverse fleet Follow us on social media for updates |
46,490 | |||
| 7 | 45,692 | ||||
| 8 |
Credicorpgrupocredicorp.com
Offers diverse financial services, including universal banking, microfinance, insurance, and investment management, across Latin America through multiple subsidiaries. |
44,850 | |||
| 9 |
Claro Brasilclaro.com.br
A leading provider of connectivity infrastructure, offering innovative entertainment, finance, and industrial solutions with a focus on sustainability and social impact |
43,065 | |||
| 10 |
Rede D'Orrededorsaoluiz.com.br
The largest integrated healthcare network in Brazil, with hospitals, oncology clinics, blood banks, and research institutes across multiple states Follow on social media for updates |
42,515 | |||
| 11 |
Einstein Hospital Israelitaeinstein.br
A leading healthcare institution offering cutting-edge treatments, compassionate care, social responsibility initiatives, and education and research programs for the community |
40,979 | |||
| 12 |
Hapvida NotreDame Intermédicahapvida.com.br
The organization is the largest healthcare and dental provider in Latin America, with an extensive network of medical facilities and services |
39,288 | |||
| 13 |
Sicredisicredi.com.br
A collaborative organization in Brazil, prioritizing affordable financial solutions and social impact, valuing employee well-being and community development Join us at Sicredi! |
36,944 | |||
| 14 |
Correioscorreios.com.br
A Brazilian organization providing accessible and reliable solutions to connect people, institutions, and businesses, with a focus on ethics, meritocracy, and sustainability |
35,918 | |||
| 15 |
Health Service Executivehse.ie
Provides safe, high quality health and personal social services to the population of Ireland, aiming for a healthier nation with valued healthcare. |
34,791 | |||
| 16 |
Dasadasa.com.br
The company is the largest integrated healthcare network in Brazil, focusing on preventive, predictive, and personalized healthcare with a wide range of services and innovative solutions |
32,801 | |||
| 17 | 32,363 | ||||
| 18 |
Santander Brasilsantander.com.br
A company dedicated to helping people prosper by serving customers, employees, and future employees with the #SantanderEffect |
32,155 | |||
| 19 |
Raízenraizen.com.br
A global leader in bioenergy, driving the energy transition with an integrated model from production to distribution, focusing on sustainability and innovation |
28,835 | |||
| 20 |
Grupo Salinasgruposalinas.com
Operating in specialized commerce, financial services, telecommunications, and media, focusing on economic, social, and environmental value creation. |
26,460 | |||
| 21 |
Banco de Crédito BCPviabcp.com
A leading Peruvian bank with over 130 years of experience in the financial sector, offering diverse job opportunities for talented professionals |
24,770 | |||
| 22 |
Portoportoseguro.com.br
Provider of insurance, health, financial products, and services with embedded technology, serving millions across Brazil with innovation. |
24,338 | |||
| 23 |
Prefeitura de São Pauloprefeitura.sp.gov.br
A municipal government entity based in São Paulo, focused on providing public services and overseeing administration within the city |
22,684 | |||
| 24 |
Banco Aztecabancoazteca.com.mx
Provides consumer loans, credit cards, personal and auto financing, mortgages, payroll services, and online banking in multiple Latin American countries. |
22,635 | |||
| 25 |
Bancolombiabancolombia.com
Latin American financial group fostering lasting relationships based on trust, closeness, respect, inclusion, and warmth Providing agile, simple, and impeccable solutions for life projects |
21,381 | |||
| 26 |
BBVA en Méxicobbva.mx
Offers a wide range of banking products and digital financial services to individuals and businesses across Mexico. |
21,356 | |||
| 27 |
Força Aérea Brasileira - FABfab.mil.br
This organization is the official page of the Brazilian Air Force, focused on sharing information about recruitment processes and maintaining national airspace sovereignty |
21,304 | |||
| 28 |
Banamexbanamex.com
Provides sustained, close, and honest financial solutions and experiences, adapting to customer needs to build lasting relationships beyond just financial aspects. |
21,015 | |||
| 29 |
Grupo Financiero Banortebanorte.com.mx
This Mexican financial services group offers a wide range of products and services including brokerage, pensions, insurance, investment, leasing, factoring, and warehousing. |
20,316 | |||
| 30 |
TIM Brasiltim.com.br
Leading mobile telecommunications provider in Brazil with a focus on innovation and quality services including mobile, fixed-line, and broadband internet |
20,211 | |||
| 31 | 20,150 | ||||
| 32 |
BACbaccredomatic.com
The company reimagines banking to create prosperity in the communities it serves |
19,779 | |||
| 33 |
SPDM - Associação Paulista para o Desenvolvimento da Medicinaspdm.org.br
Nonprofit organization managing hospitals and health centers, promoting disease prevention, social assistance, education, and inclusive healthcare services. |
19,529 | |||
| 34 |
Sírio-Libanêshospitalsiriolibanes.org.br
A renowned healthcare institution with philanthropic roots, offering top-notch medical services, cutting-edge technology, education, research, and social responsibility initiatives for 100 years |
19,137 | |||
| 35 |
INSSinss.gov.br
An agency of the Brazilian Federal Government responsible for managing the General Social Security System, overseeing benefit payments and collaborating with a technology company for data processing |
18,291 | |||
| 36 |
Instituto Mexicano del Seguro Social
An institution in Mexico providing health care and social protection since 1943, focusing on research, medical practice, and retirement resources for workers and families |
18,149 | |||
| 37 |
GOL Linhas Aéreasvoegol.com.br
Leading Brazilian airline focused on innovation, safety, and customer experience Promotes diversity and inclusion while offering convenient travel options and entertainment onboard flights |
17,183 | |||
| 38 |
Sicoobsicoob.com.br
The largest cooperative financial system in Brazil, offering a wide range of financial services to over 76 million members nationwide |
16,182 | |||
| 39 |
Neoenergia S.A.neoenergia.com
Open capital company, Brazilian electricity sector leader. Operations span generation, transmission, distribution, and commercialization, serving 16 million customers across 18 states. |
16,000 | |||
| 40 |
Azul Linhas Aéreas Brasileirasvoeazul.com.br
Connects people, providing unique experiences with over 150 national and international destinations, recognized as a top global airline. |
15,787 | |||
| 41 |
Stonestone.com.br
An entrepreneurial Brazilian company focused on serving business owners, providing financial services and support across Brazil with a customer-centric approach |
15,116 | |||
| 42 |
Seguros SURAsuramericana.com
Provides insurance and social security solutions through various brands, supporting Latin Americans with protection products and long-term client relationships. |
14,706 | |||
| 43 |
Keraltykeralty.com
A healthcare group with over 40 years of experience, offering insurance, healthcare services, education, and social initiatives in various countries |
14,655 | |||
| 44 |
Telecom Argentinatelecom.com.ar
Provides connectivity solutions and entertainment, including mobile and fixed connections, and a live and on-demand content platform for individuals, companies and institutions. |
14,428 | |||
| 45 |
Telmextelmex.com
Leading telecom and IT services company in Mexico, offering a wide range of advanced solutions from connectivity to cloud, cybersecurity, and business solutions for companies of all sizes. |
14,394 | |||
| 46 |
Banco Daviviendadavivienda.com
We believe in a financial world without barriers, providing innovative solutions for 10 million clients to promote financial inclusion and sustainable development |
13,968 | |||
| 47 |
aviancaavianca.com
The organization is a leading airline in the Americas and the world, focusing on excellence, efficient operations, fleet modernization, industry best practices, and customer service culture improvement |
13,916 | |||
| 48 |
Totalplaytotalplay.com
A Mexican company leading in technology, telecommunications, and entertainment, providing cutting-edge connectivity solutions nationwide with a talented and passionate team |
13,871 | |||
| 49 |
GNP Segurosgnp.com.mx
Multiline Mexican insurance company with over 116 years protecting families, supporting dreams, and contributing to Mexico's social development. |
13,726 | |||
| 50 |
Claro Colombiaclaro.com.co
A telecommunications provider operating in 18 countries with over 241 million mobile subscribers and over 56 million fixed RGUs |
13,190 | |||
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. | |||||
| 51 |
Eletrobraseletrobras.com
Generation, transmission, commercialization, and energy efficiency programs; electric sector leader in Latin America, clean and renewable energy matrix. |
13,000 | |||
| 52 |
Ecopetrolecopetrol.com.co
Largest Colombian energy group with integrated operations in hydrocarbons, gas, power, and infrastructure, focusing on diversification and decarbonization through renewables and technology. |
12,994 | |||
| 53 |
Sabespsabesp.com.br
It supplies water and sewage services to millions in São Paulo, investing significantly in sanitation and expanding services through partnerships. |
12,562 | |||
| 54 |
Grupo Energisaenergisa.com.br
Distributes electric power to 2.4 million consumers across 352 municipalities in Brazil's Northeast, Minas Gerais, and Rio de Janeiro states. |
12,289 | |||
| 55 |
NotreDame Intermédicagndi.com.br
The largest healthcare provider in Brazil with over 15 million beneficiaries, offering comprehensive health and dental services through 767 own points of care nationwide |
12,251 | |||
| 56 |
Comisión Federal de Electricidadcfe.gob.mx
A Mexican government company generates, transmits, distributes, and sells electricity to millions of customers using various technologies and energy sources |
12,233 | |||
| 57 |
Banco de Chilesitiospublicos.bancochile.cl
Leading financial corporation offering excellent services to diverse clients, focusing on collaboration, community development, and stakeholder value. |
12,158 | |||
| 58 | 11,992 | ||||
| 59 |
Nubanknubank.com.br
A leading digital banking platform in Latin America, offering innovative financial solutions that are simple, convenient, low-cost, and empowering |
11,879 | |||
| 60 |
Prevent Seniorpreventsenior.com.br
Specializing in healthcare for older adults, we provide dedicated care through advanced medical services, specialized clinics, diagnostic medicine, and a hospital network |
11,648 | |||
| 61 |
Safrasafra.com.br
Global financial services firm with 180 years of experience in investments, credit, and wealth management, focusing on long-term client relationships and risk management. |
11,615 | |||
| 62 |
Amilinstitucional.amil.com.br
Leading Brazilian health operator, offering various health and dental plans, combining expertise and innovation to meet customer needs and improve the healthcare sector. |
11,327 | |||
| 63 |
Hospital São Camilo SPhospitalsaocamilosp.org.br
A network of hospitals in São Paulo known for excellence in healthcare, quality service, safety, and expertise in hospital management |
10,994 | |||
| 64 |
BancoEstadobancoestado.cl
A public bank providing financial services to individuals, businesses, and institutions through a network of 415 branches, 25K CajaVecina, and 122 BancoEstado Express locations |
10,683 | |||
| 65 |
Seguros Monterrey New York Lifemnyl.com.mx
Provides life and major medical insurance plans to millions of Mexican families, supported by extensive national advisors and international backing. |
10,682 | |||
| 66 |
Grupo Televisatelevisa.com
Televisa operates cable and satellite television services, telecommunications, broadband, and media production in Mexico, the Dominican Republic, and Central America |
10,582 | |||
| 67 |
Cresol Cooperativacresol.com.br
Operating in 19 Brazilian states for over 30 years, provides accessible financial solutions, fostering development with close customer service for its members. |
10,538 | |||
| 68 |
MEGACABLEmegacable.com.mx
A leading Mexican telecommunications company with 45 years of service, offering TV, internet, digital and mobile phone services to nearly 5 million subscribers nationwide |
10,459 | |||
| 69 |
Grupo Equatorialequatorialenergia.com.br
First Brazilian multi-utility, operates in electric power generation, transmission, distribution, renewables, sanitation, telecommunications, services, and private pension. |
10,275 | |||
| 70 |
Banco de Bogotábancodebogota.com
Provides comprehensive banking services with a focus on customer needs, technological solutions, and commitment to Colombia's growth and development. |
10,079 | |||
| 71 |
Grupo CCRgrupoccr.com.br
Administrates highways in São Paulo, Rio de Janeiro, and Paraná, operates São Paulo Metro Line 4, and facilitates infrastructure investment and service solutions. |
9,909 | |||
| 72 |
BTG Pactualbtgpactual.com
A leading investment bank in Latin America offering a wide range of financial services including investment banking, wealth management, and digital investments |
9,887 | |||
| 73 |
Cielocielo.com.br
An innovative technology and service provider for the retail industry, offering a portfolio of solutions to drive market evolution and meet customer needs |
9,877 | |||
| 74 |
SPDM/PAIS - Programa de Atenção Integral à Saúdespdmpais.org.br
Healthcare management program improving public health services in partnership with government, focusing on quality, equity, and sustainability, with inclusive employment opportunities for the disabled |
9,798 | |||
| 75 |
Banco Falabellamuevete.falabella.com
Falabella Financiero offers integrated financial services to help make people's aspirations a reality, improve their quality of life, and exceed their expectations |
9,778 | |||
| 76 |
BanCoppelbsa.bancoppel.com
A leading financial institution in Mexico with over 14,000 employees, 1,100 branches, and a strong presence in over 400 cities nationwide |
9,747 | |||
| 77 |
Galicia Bankgalicia.ar
Leading Argentine private bank offering diverse financial services to individuals and businesses through extensive branch and digital networks. |
9,585 | |||
| 78 |
PagBankpagbank.com.br
Innovative financial services and payment solutions provider offering automation for purchases, sales, and wiring processes, with a wide variety of payment options |
9,556 | |||
| 79 |
CPFL Energiagrupocpfl.com.br
The company has been shaping the history of the Brazilian energy sector for 110 years, with a focus on distribution, generation, transmission, and services |
9,255 | |||
| 80 |
Santander Méxicosantander.com.mx
Offers banking products and services to individuals, businesses, and institutions across Mexico, focusing on sustainability and social development. |
8,867 | |||
| 81 |
Interbankepvw.fa.us6.oraclecloud.com
Provides innovative, reliable financial products and services with personalized advice, serving over two million customers in Peru. |
8,757 | |||
| 82 |
Ipirangaipiranga.com.br
Provider of quality fuels and services for industry, transportation, and logistics in Brazil, focusing on customer relationships, innovation, and sustainability initiatives |
8,612 | |||
| 83 |
INBURSA GRUPO FINANCIERO, S.A. DE C.V.inbursa.com
A leading Mexican financial group committed to managing and growing clients' assets with a wide range of products and personalized financial solutions |
8,529 | |||
| 84 |
Grupo Maristagrupomarista.org.br
Positively impacting lives through education, health, and advocacy for children's rights, while fostering innovation in these sectors. |
8,524 | |||
| 85 |
Hospital Italiano de Buenos Aireshospitalitaliano.org.ar
A leading healthcare institution with over 9,000 employees, providing high-quality care, education, research, and coverage for 180,000+ members |
8,354 | |||
| 86 |
Banco Pichinchapichincha.com
A leading financial institution in Ecuador, part of Grupo Pichincha, focusing on innovation, international presence, societal impact, and sustainability |
8,334 | |||
| 87 |
Banco de Occidentebancodeoccidente.com.co
Financial institution offering diverse banking products and services focused on customer needs, environmental initiatives, and long-term client relationships. |
8,289 | |||
| 88 |
Fundação do ABCfuabc.org.br
Philanthropic entity providing social assistance, healthcare, and education services, established in 1967 by municipalities A leading healthcare institution in Brazil |
8,285 | |||
| 89 |
CEJAM - Centro de Estudos e Pesquisas Dr. João Amorim - OFICIALcejam.org.br
Non-profit institution supporting the Brazilian public health system with over 30 years of experience in primary care, specialized services, emergency care, and hospital management |
8,271 | |||
| 90 |
Hospital das Clínicas da Faculdade de Medicina da USPhc.fm.usp.br
A public institution affiliated with a medical school in São Paulo, dedicated to health public healthcare through education, research, assistance, and management |
8,241 | |||
| 91 |
Santa Casa de Misericórdia de São Paulodoar.santacasasp.org.br
A long-standing philanthropic institution providing high-quality healthcare services, medical education, and research with a focus on complex treatments and diagnostic services |
8,239 | |||
| 92 | 8,175 | ||||
| 93 |
BBVA en Perúbbva.pe
Peruvian bank, part of a global financial group, transforming banking, supporting projects, talents, and dreams, with a focus on client success. |
8,172 | |||
| 94 |
VLI Logísticavli-logistica.com.br
A logistics services provider in Brazil, integrating railways, terminals, and ports to enhance efficiency and competitiveness for clients nationwide |
8,068 | |||
| 95 | 8,046 | ||||
| 96 |
Brisanet Telecomunicaçõesbrisanet.com.br
Provides telecommunications services across the Northeast, offering broadband, mobile, fixed telephony, and streaming for residential, business, and government clients, driving digital inclusion. |
7,931 | |||
| 97 |
Grupo Antofagasta Mineralsaminerals.cl
Leading international copper producer, operating four copper mines in Chile, actively involved in exploration, and managing rail and water distribution networks. |
7,607 | |||
| 98 |
Lightlight.com.br
Provides essential energy distribution, generation, and services to over 10 million people in 31 municipalities in the state of Rio de Janeiro, Brazil. |
7,516 | |||
| 99 |
Rumorumolog.com
Offering integrated logistics solutions with a vast network of railroads and operations in Brazilian ports to transport agricultural products, fuel, containers, and cellulose for export |
7,494 | |||
| 100 |
PicPaypicpay.com
Offers comprehensive financial and non-financial services to individuals and entrepreneurs, including payments, credit, investments, insurance, consumption, and convenience solutions. |
7,478 | |||
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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 Nov 12, 2026.
More company lists in Latin America
- The largest companies in Latin America 27,921
- Manufacturers in Latin America 3,431
- Retail chains in Latin America 3,340
- Multinational companies in Latin America 2,975
- Education providers in Latin America 2,329
- Financial services firms in Latin America 1,653
- Healthcare providers in Latin America 1,650
- Financial Services companies in Latin America 1,521
- Companies with a mobile app in Latin America 1,507
- Retail companies in Latin America 1,379
- E-commerce companies in Latin America 1,320
- Public sector organisations in Latin America 1,301
- Food and beverage companies in Latin America 1,290
- Higher Education companies in Latin America 1,236
- Distributors and wholesalers in Latin America 1,223
- Corporate groups and holding companies in Latin America 1,216
- Companies with in-house R&D in Latin America 1,191
- IT Services and IT Consulting companies in Latin America 1,091
- Food and Beverage Services companies in Latin America 1,020
- Hospitals and Health Care companies in Latin America 995
- Government Administration companies in Latin America 958
- Construction companies in Latin America 926
- Professional services firms in Latin America 924
- Logistics companies in Latin America 882
The same list elsewhere
- Critical infrastructure operators in the world 23,312
- Critical infrastructure operators in Brazil 1,201
- Critical infrastructure operators in Colombia 249
- Critical infrastructure operators in Argentina 215
- Critical infrastructure operators in Mexico 200
- Critical infrastructure operators in Chile 165
- Critical infrastructure operators in Ecuador 71
- Critical infrastructure operators in the Dominican Republic 40
- Critical infrastructure operators in Costa Rica 29
- Critical infrastructure operators in Peru 29
- Critical infrastructure operators in Bolivia 26