| # | Company | Employees |
|---|---|---|
| 1 | 32,363 | |
| 2 |
Galicia Bankgalicia.ar
Leading Argentine private bank offering diverse financial services to individuals and businesses through extensive branch and digital networks. |
9,585 |
| 3 |
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 |
| 4 |
Claro Argentinaclaroempleos-aup.com
A leading telecommunications company in Argentina and globally, focused on connecting people, businesses, and communities while promoting a culture of equality and respect |
7,261 |
| 5 |
BBVA en Argentinabbva.com.ar
Leading Argentine financial institution with strong market adaptation, maintaining a top position in the country's banking system. |
6,848 |
| 6 |
Banco de la Nación Argentinabna.com.ar
A government-owned bank in Argentina with over 126 years of history, providing financial services to individuals, businesses, and international markets |
6,782 |
| 7 |
Aerolíneas Argentinasaerolineas.com.ar
Leading Argentine airline with a fleet of 84 aircraft, serving 38 domestic and 22 international destinations Offers cargo services, pilot training, and maintenance for multiple aircraft types |
6,574 |
| 8 |
Banco Macromacro.com.ar
A leading Argentine private bank with the largest branch network, supporting regional economies with a focus on customer satisfaction and financial services |
6,280 |
| 9 |
AXION energyaxionenergy.com
Refining and marketing fuels, lubricants, and derivatives within the energy sector, operating as a Pan American Energy brand. |
4,864 |
| 10 |
Santander Argentinasantander.com.ar
A team of 7,800 people at Santander Río work to create a better workplace by prioritizing recognition, teamwork, personal growth, and customer relationships |
4,660 |
| 11 |
Trenes Argentinos Operacionesargentina.gob.ar
A government agency in Argentina focused on modernizing the railway system to improve passenger service and contribute to territorial integration |
4,032 |
| 12 |
Pan American Energypan-energy.com
Leading private hydrocarbon producer in Argentina and Southern Cone, operating across multiple basins and countries with strong operational excellence. |
3,867 |
| 13 |
AySAaysa.com.ar
A public service company providing tap water and sewage collection for Buenos Aires and surrounding districts in Argentina |
3,634 |
| 14 |
Hospital Alemánhospitalaleman.org.ar
A healthcare organization committed to providing evidence-based medical care with a focus on excellence, respect, ethics, and transparency in all interactions |
3,215 |
| 15 |
Pluspetrolpluspetrol.net
A private energy company with over 35 years of experience in hydrocarbon exploration and production across multiple countries, focusing on operational excellence and sustainability |
3,195 |
| 16 |
Edenoredenor.com
The company is the largest electricity distributor in Argentina, serving over 33 million customers in Buenos Aires with a comprehensive power grid infrastructure |
3,151 |
| 17 |
Banco Superviellesupervielle.com.ar
A leading Argentine bank with a strong focus on human relationships and technology, offering financial services through an omnichannel approach to meet client needs |
3,109 |
| 18 |
Hospital Británicohospitalbritanico.org.ar
A non-profit hospital founded in 1844, providing healthcare to those in need, with a focus on education, research, and medical advancements |
3,049 |
| 19 |
Obra Socialiosfa.gob.ar
Non-profit social welfare organization providing medical, financial assistance, tourism, and recreation services to affiliated members, with branches in major cities and hotels in select locations |
2,928 |
| 20 |
ICBC Argentinaicbc.com.ar
A leading global bank focusing on providing excellent financial services, fostering integrity, humanity, prudence, innovation, and excellence to drive prosperity and growth in communities |
2,710 |
| 21 |
Aeropuertos Argentinaaeropuertosargentina.com
A leading company managing 35 airports in Argentina, the largest private operator globally, handling 98% of Argentine air traffic With 2,300 employees ensuring top-quality services |
2,521 |
| 22 |
CEMICcemic.edu.ar
A nonprofit medical and clinical research institution focused on academic medical education, research, and community healthcare services for over 55 years |
2,510 |
| 23 |
Banco Hipotecariohipotecario.com.ar
Specializing in real estate lending in Argentina, this group offers loans for residential properties, mortgage repayment, insurances, brokerage, and property management services |
2,493 |
| 24 |
Banco Patagoniabancopatagonia.com.ar
This organization in Argentina offers a variety of financial solutions for individuals, corporations, and institutional customers, including loans and deposits |
2,461 |
| 25 |
CGCcgc.energy
An Argentine oil company, part of a leading corporation, specializing in oil exploration, extraction, and gas transportation across Latin America Join our team! |
2,382 |
| 26 |
Emergencias SAemergencias.com.ar
A leading emergency medical services company in Argentina, part of IHSA SA group, managing a fleet of 500+ ambulances and serving four million beneficiaries annually ISO 9001 certified |
2,109 |
| 27 |
Edesuredesur.com.ar
An electrical distribution company in Buenos Aires and suburban areas, providing power to nearly 25 million customers with ISO certifications and international backing |
1,858 |
| 28 |
Banco Comaficomafi.com.ar
An Argentine private bank focused on strategic growth, providing comprehensive financial solutions for businesses, leading in leasing, distressed assets, and capital markets services |
1,809 |
| 29 |
Cablevisión - Fibertellcc.net.ar
A leading provider of modern pay TV and high-speed internet services in Argentina and Uruguay, with millions of customers across multiple provinces |
1,796 |
| 30 |
Tecpetroltecpetrol.com
Exploring, producing, transporting, and distributing hydrocarbons, driving energy projects for country development in multiple Latin American countries |
1,730 |
| 31 |
La Caja de Ahorro y Seguroseguros.lacaja.com.ar
Leading Argentine insurance company offering diverse products with strong focus on technology, innovation, and excellent customer service nationwide. |
1,706 |
| 32 |
Pampa Energiapampa.com
Largest integrated electricity company in Argentina generating, transmitting, and distributing power to millions of customers across major urban areas. |
1,701 |
| 33 |
TGtgs.com.ar
A leading natural gas company in Argentina, connecting gas reserves with consumption centers through over 9,300km of pipelinesAlso produces and markets natural gas liquids |
1,600 |
| 34 |
BCRAbcra.gob.ar
A national self-governed institution focused on preserving the value of the currency by regulating money supply and credit, implementing financial regulations, and managing reserves |
1,491 |
| 35 |
Prisma Medios de Pagoprismamediosdepago.com
Leading technology company in Argentina connecting people, businesses, and financial entities through payment solutions in 14 countries, prioritizing innovation, security, and excellence |
1,491 |
| 36 |
Flybondi.comflybondi.com
Flybondi is Argentina's first low-cost airline, focused on efficiency to offer the lowest prices, connecting people and promoting travel within the country |
1,480 |
| 37 |
linkredlink.com.ar
A leading Argentine company with 30 years of experience in software development and payment integrations, offering innovative solutions for financial entities and retailers |
1,477 |
| 38 |
Ualáuala.com.ar
A tech company providing innovative and integrated financial services through a mobile app and international Mastercard, available in Argentina, Mexico, and Colombia |
1,411 |
| 39 |
TGNtgn.com.ar
Regional gas pipeline operators and energy project solution providers, responsible for transporting a significant portion of Argentina's gas supply and connecting multiple regions |
1,331 |
| 40 |
MetroGASmetrogas.com.ar
A leading national gas distribution company with a network covering Buenos Aires and surrounding areas, providing innovative services, maintenance, and customer support |
1,240 |
| 41 |
TRANSENERtransener.com.ar
A leading company in high-voltage electricity transmission in Argentina, with over 12,400km of transmission lines and a focus on operational efficiency and customer satisfaction |
1,232 |
| 42 |
Sanatorio Otamendiotamendi.com.ar
A prestigious medical institution with a longstanding commitment to excellence in medical care, cutting-edge technology, and patient comfort since 1928 |
1,158 |
| 43 | 1,152 | |
| 44 |
SANATORIO FINOCHIETTOsanatoriofinochietto.com
A healthcare center offering clinical, surgical, and maternity services with a commitment to patient care, knowledge management, safety, sustainability, and innovation |
1,130 |
| 45 |
Mercantil Andinamercantilandina.com.ar
Insurance company with 100 years of experience in providing protection solutions to satisfy customers, striving to be the people's preferred choice |
1,097 |
| 46 |
METROVIASmetrovias.com.ar
We manage the Urquiza Railway Line, with over 25 years experience in urban subway and railway transportation, part of a leading Argentine infrastructure group |
1,055 |
| 47 |
BIND | Soluciones financierasbind.com.ar
A financial group in Latin America offering innovative solutions for clients, known for awards, disruptive products, API services, and community impact |
1,055 |
| 48 |
Camuzzicamuzzigas.com
A leading natural gas distributor in Argentina, covering 45% of the country with extensive networks in key provinces, also offering energy advisory and services nationwide |
1,018 |
| 49 |
Sanatorio Mater Deisanatoriomaterdei.com.ar
Committed to life and dedicated to serving human dignity, the company is focused on uplifting and supporting individuals |
1,015 |
| 50 |
vittal - socorro medico privadovittal.com.ar
Leading healthcare extrahospital company with 25 years of experience, 10 million+ services performed, and 2000+ employees nationwide in Argentina |
967 |
| 51 |
Instituto Argentino de Diagnóstico y Tratamiento - IADTiadt.com
Medical institution providing comprehensive healthcare services through modern technology, specialized surgery, diagnostic studies, and 24/7 emergencies for adults and pediatrics |
921 |
| 52 |
EMOVAemova.com.ar
We are a consortium responsible for managing the subway network in Buenos Aires, focusing on reliability, efficiency, technology, and sustainability for an improved user experience |
862 |
| 53 |
Hospital Carlos G. Durandbuenosaires.gob.ar
High-complexity university public hospital located in Buenos Aires, Argentina, providing advanced medical services and care to the community |
810 |
| 54 |
Raízen Argentinaraizen.com.ar
We provide energy for people and businesses in Brazil and Argentina through a joint venture with Shell, offering a wide range of high-quality products and services |
800 |
| 55 |
Trenes Argentinos Cargasargentina.gob.ar
Trenes Argentinos Cargas operates freight railway lines across Argentina, revitalizing production possibilities and boosting regional economies with a federal approach |
766 |
| 56 |
Sanatorio Colegialessanatoriocolegiales.com.ar
A healthcare facility with over 50 years of experience in Argentina, offering high-quality medical assistance with advanced technology and a focus on human values |
751 |
| 57 |
Banco Columbia S.A.secure.bancocolumbia.com.ar
A 100% nationally owned private bank focusing on providing a variety of financial services including investments, savings, currency exchange, and consumer financing with qualified and service-oriented staff |
744 |
| 58 |
Allariaallaria.com.ar
Financial services company providing investment advice and management for individuals, businesses, and institutions in Argentina, with a strong reputation in local and international markets |
730 |
| 59 |
Sanatorio Sagrado Corazónsagradocorazon.net.ar
Highly complex hospital providing advanced technology and innovative processes for diagnosis and treatment, prioritizing trust and transparency with patients and families |
667 |
| 60 |
Sanatorio Municipal Dr. Julio Méndezobsba.org.ar
Medical practice facility located in Buenos Aires, Argentina, offering healthcare services at AV NICOLÁS AVELLANEDA 551 |
655 |
| 61 |
Hospital General de Agudos “Dr. Ignacio Pirovano"buenosaires.gob.ar
A hospital named after Dr Ignacio Pirovano, serving a large population in Buenos Aires with a wide range of medical specialties |
637 |
| 62 |
Vialidad Nacionalvialidad.gov.ar
Vialidad Nacional, a government agency, manages and improves the national road system to support economic growth and regional integration |
618 |
| 63 |
ICBA Instituto Cardiovascularicba.com.ar
A specialized medical center in cardiology focused on providing hope and quality of life to patients with cardiovascular diseases through excellence, innovation, and personalized care |
611 |
| 64 |
Experta Segurosexperta.com.ar
We are an insurance company in Argentina offering general, life, and workers compensation insurance solutions with backing from Grupo Werthein |
586 |
| 65 |
YPF LUZypfluz.com
Passionate team dedicated to providing sustainable, reliable, and efficient energy solutions in Argentina Specializing in renewable energy and efficient thermal generation with top technology |
556 |
| 66 |
Allianz Argentinaallianz.com.ar
A global insurance company with a strong presence in Germany and over 70 countries, offering comprehensive solutions for individuals and businesses |
418 |
| 67 |
Veolia | Argentinalatinoamerica.veolia.com
Global provider of environmental solutions for water treatment, waste recovery, and energy management, focusing on resource preservation and ecological transformation across five continents. |
377 |
| 68 |
Bolsa de Comercio de Buenos Aireslabolsa.com.ar
A non-profit organization in Buenos Aires that regulates securities trading, providing a transparent platform connecting investors with companies for capital investment and financing |
197 |
| 69 |
Grupo STgrupost.com.ar
A specialized asset management holding company with over 20 years of experience in Argentina, expanding regionally, offering tailored financial solutions to corporate and consumer sectors |
171 |
| 70 |
Providencia Segurosprovidencia.com.ar
An established insurance company with a wide range of products for individuals and businesses, offering digital solutions, personalized service, and strategic partnerships with producers |
67 |
| 71 |
CATELcatel.org.ar
A nonprofit entity formed by Argentine public service cooperatives to promote technological development, new services, and industry updates in telecommunications |
39 |
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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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