| # | Company | Employees |
|---|---|---|
| 1 | 32,363 | |
| 2 |
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 |
| 3 |
Galicia Bankgalicia.ar
Leading Argentine private bank offering diverse financial services to individuals and businesses through extensive branch and digital networks. |
9,585 |
| 4 |
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 |
| 5 |
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 |
| 6 |
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 |
| 7 |
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 |
| 8 |
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 |
| 9 |
Banco de la Provincia de Buenos Airesbancoprovincia.com.ar
Established in 1822, this bank in Buenos Aires invests in talent, creates value for nearly 5 million clients, and offers a wide range of financial services |
6,394 |
| 10 |
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 |
| 11 |
Grupo Sancor Segurosgruposancorseguros.com
Established in 1945, we are a leading insurance provider in Argentina, offering a wide range of coverage options and services to meet diverse safety needs |
4,937 |
| 12 |
AXION energyaxionenergy.com
Refining and marketing fuels, lubricants, and derivatives within the energy sector, operating as a Pan American Energy brand. |
4,864 |
| 13 |
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 |
| 14 |
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 |
| 15 |
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 |
| 16 |
AySAaysa.com.ar
A public service company providing tap water and sewage collection for Buenos Aires and surrounding districts in Argentina |
3,634 |
| 17 |
Casa Hospital San Juan de Dioshospitalsanjuandedios.org.ar
A non-profit Catholic hospital founded in 1941 by the Brothers of St John of God, offering a wide range of healthcare services and medical education |
3,470 |
| 18 |
Telecentrotelecentro.com.ar
A national telecommunications company offering a unique Triple Pack with Digital TV, Broadband Internet, and Digital Landline services, delivering entertainment through cutting-edge technology |
3,379 |
| 19 |
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 |
| 20 |
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 |
| 21 |
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 |
| 22 |
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 |
| 23 |
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 |
| 24 |
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 |
| 25 |
Hospital Universitario Australhospitalaustral.edu.ar
A university health organization focused on patient care, teaching, and biomedical research with a commitment to truth, life, quality, and Christian values |
2,752 |
| 26 |
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 |
| 27 |
Grupo Petersengrupopetersen.com.ar
A diversified Argentine conglomerate with interests in engineering, construction, banking, agriculture, and urban maintenance, with a strong focus on social investment |
2,605 |
| 28 |
Telecom Personal Argentinapersonal.com.ar
A leading mobile communications service provider in Argentina, offering flexible services over 2G/3G networks and a powerful 4G/LTE network reaching over 1100 locations |
2,533 |
| 29 |
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 |
| 30 |
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 |
| 31 |
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 |
| 32 |
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 |
| 33 |
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 |
| 34 |
La Segunda Seguros CLSGlasegunda.com.ar
An Argentine insurance group with 90 years in the market, focused on providing new opportunities to clients through innovation and community commitment |
2,296 |
| 35 |
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 |
| 36 |
HOSPITAL NAVALhnpm.mil.ar
The company provides healthcare services to the personnel of the Navy, focusing on training, research, and operational logistical support for medical purposes |
1,969 |
| 37 |
Banco de la Nacion Argentina
Financial institution redirecting followers to the Banco de la Nación Argentina page on Linkedin as they will be closing their own page |
1,947 |
| 38 |
Sancor Segurossancorseguros.com.ar
An Argentinean insurance company founded over 60 years ago, offering a wide range of innovative products and services nationally and internationally |
1,896 |
| 39 |
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 |
| 40 |
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 |
| 41 |
Federación Patronal Segurosfedpat.com.ar
Established in 1921, this company started as a cooperative providing coverage for work accidents They uphold cooperative values and lead the Argentine insurance market |
1,799 |
| 42 |
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 |
| 43 |
Nucleoeléctrica Argentina S.A.nucleoelectrica.com.ar
A nuclear power generation company in Argentina operating nuclear plants, focused on safe, clean, efficient energy production for national benefit |
1,766 |
| 44 |
Tecpetroltecpetrol.com
Exploring, producing, transporting, and distributing hydrocarbons, driving energy projects for country development in multiple Latin American countries |
1,730 |
| 45 |
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 |
| 46 |
Pampa Energiapampa.com
Largest integrated electricity company in Argentina generating, transmitting, and distributing power to millions of customers across major urban areas. |
1,701 |
| 47 |
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 |
| 48 |
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 |
| 49 |
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 |
| 50 |
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 |
| 51 |
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 |
| 52 |
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 |
| 53 |
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 |
| 54 |
Hospital de Alta Complejidad en Red "El Cruce", Dr. Nestor Carlos Kirchnerwww2.hospitalelcruce.org
The Hospital El Cruce provides high-complexity medical care, including diagnostic studies and specialized surgical interventions, for residents in the region |
1,303 |
| 55 |
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 |
| 56 |
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 |
| 57 |
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 |
| 58 |
OSEP - Obra Social Empleados Públicos - Mendozaosepmendoza.com.ar
We are the social security for public workers in Mendoza, providing high-quality healthcare through our own facilities and partnerships with other providers |
1,155 |
| 59 | 1,152 | |
| 60 |
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 |
| 61 |
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 |
| 62 |
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 |
| 63 |
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 |
| 64 |
Hospital Argerichbuenosaires.gob.ar
A municipal hospital in Buenos Aires, Argentina, known for its excellence in transplant procedures, specializing in cardiac, renal, hepatic, and pancreas transplants |
1,051 |
| 65 |
Vía Barilocheviabariloche.com.ar
Long-distance passenger transportation company with over 100 national destinations, recognized as a leader in the areas it serves with 25 years of experience |
1,049 |
| 66 |
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 |
| 67 |
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 |
| 68 |
Hospital San Roqueinstagram.com
Hospital Interzonal providing general acute care services in Gonnet, Buenos Aires, Argentina |
973 |
| 69 |
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 |
| 70 |
Empresa Argentina de Navegación Aérea (EANA)eana.com.ar
The Argentine Air Navigation Company coordinates and supervises air traffic control services to ensure safety, efficiency, and environmental responsibility in aviation |
951 |
| 71 |
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 |
| 72 |
Triunfo Segurostriunfoseguros.com
We are a General Insurance Company founded in 1967, dedicated to protecting assets in Argentina We offer self-service options and have a top credit rating |
866 |
| 73 |
Hospital Nacional Posadasargentina.gob.ar
A national public hospital network dedicated to comprehensive and humanized healthcare for all stages of life, prioritizing accessibility, equity, safety, and quality |
864 |
| 74 |
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 |
| 75 |
Centro Rossicdrossi.com
A leading diagnostic imaging center in Argentina, offering state-of-the-art equipment and software across eleven locations, with a focus on improving patient care daily |
854 |
| 76 |
Banco Santa Febancosantafe.com.ar
An institution with roots dating back to 1863, offering banking services that have become a source of pride for the residents of Santa Fe province |
853 |
| 77 |
UOL Argentinasion.com
An Argentine telecommunications company acquired a Brazilian internet provider, becoming the largest ISP in the country with high-quality internet services and nationwide coverage |
837 |
| 78 |
Galicia Segurosgaliciaseguros.com.ar
We are a leading insurance company offering personal and property insurance, as well as products and services for businesses, with a focus on customer satisfaction |
835 |
| 79 |
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 |
| 80 |
Supercanalsuperconectados.ar
Leading entertainment company in Argentina offering television services (analog and HD), fiber optic internet, and online streaming platform, with presence in 14 provinces |
807 |
| 81 |
Flecha Busflechabus.com.ar
An Argentine transportation company with over 60 years of experience providing quality service, modern units, and advanced technology to meet passenger needs Vision to lead the market nationwide and expand to Mercosur |
801 |
| 82 |
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 |
| 83 |
Hospital Provincial Neuquénhospitalneuquen.org.ar
A leading healthcare institution in Patagonia, the Provincial Hospital Neuquén is dedicated to serving the community with a focus on improving quality of life and overall health |
769 |
| 84 |
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 |
| 85 |
Hospital Privadohospitalprivado.com.ar
A team of experienced healthcare professionals at a private hospital in Córdoba, providing high-quality services and care nationally and internationally |
764 |
| 86 |
Vista Energyvistaenergy.com
An independent operator focused on developing shale oil and gas assets in Vaca Muerta, Mexico, and evaluating additional E&P opportunities in the region |
757 |
| 87 |
Hospital Privado de Comunidadhpc.org.ar
Leading medical institution in Mar del Plata providing high-quality medical care, training healthcare professionals, and contributing to medical research for scientific advancement |
752 |
| 88 |
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 |
| 89 |
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 |
| 90 |
Rio Uruguay Segurosriouruguay.com.ar
A social economy company founded in 1958, focusing on insurance services, social responsibility, technology innovation, and real estate development for sustainability and growth |
741 |
| 91 |
Central Puertocentralpuerto.com
Development and operation of diversified energy generation assets including thermal, wind, hydroelectric, and solar power across Argentina. |
738 |
| 92 |
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 |
| 93 |
Hospital Italiano La Plataitalianolaplata.org.ar
A centenary non-profit community hospital providing healthcare from primary care to high complexity, promoting research, training, quality, and accessibility in a team-based model |
727 |
| 94 |
REFINOR S.A.refinor.com
A regional hydrocarbons processing and transportation business serving clients in Northern Argentina, with a focus on quality, growth, and innovation |
713 |
| 95 |
DIM Centros de Saluddim.com.ar
A leading healthcare provider in Argentina, offering a wide range of medical services with state-of-the-art technology and over 500 top professionals |
710 |
| 96 |
EPEepe.santafe.gov.ar
A provincial energy provider in Santa Fe, focusing on supplying energy to the region |
699 |
| 97 |
Sanatorio Británicosanatoriobritanico.com.ar
Established in 1924, the organization plays a vital role in Rosario's healthcare history, providing modern medical care and innovative advancements |
693 |
| 98 |
Hospital General de Agudos Dr. Enrique Tornúbuenosaires.gob.ar
Public hospital in the city of Buenos Aires, providing healthcare services to the community |
693 |
| 99 |
Grupo Gammagrupogamma.com
A healthcare network serving over 40,000 patients monthly with 750 healthcare professionals, leading in medicine through continuous improvement, technology innovation, and new services development |
672 |
| 100 |
Hospital Español de Mendozahespanol.com.ar
A renowned medical center with a 100-year history in healthcare, known for excellence in services, technological innovation, and scientific advancement for life care |
669 |
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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 Oct 24, 2026.
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