| # | Company | Employees |
|---|---|---|
| 1 |
Grupo OSDEosde.com.ar
A leading Argentine business group prioritizing members' needs, offering medical assistance through various companies and fulfilling social commitment through a foundation |
9,353 |
| 2 |
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 |
| 3 |
Swiss Medical Groupswissmedical.com.ar
A leading Argentine group dedicated to healthcare, providing protection and high-quality services through a variety of companies in the industry |
7,055 |
| 4 |
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 |
| 5 |
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 |
| 6 |
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 |
| 7 |
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 |
| 8 |
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 |
| 9 |
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 |
| 10 |
Medicusmedicus.com.ar
Leading private medical provider with over 4 decades of experience, emphasizing quality, research, constant training, and innovation to meet healthcare expectations |
2,472 |
| 11 |
Hospital de Clínicas "José de San Martín"hospitaldeclinicas.uba.ar
A teaching hospital in Buenos Aires, Argentina affiliated with the University of Buenos Aires, known for its high academic standards |
1,989 |
| 12 |
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 |
| 13 |
Flenifleni.org.ar
A non-profit foundation focused on preventing, diagnosing, treating, and researching neurological diseases for children, providing high-quality medical services and specialized rehabilitation programs |
1,756 |
| 14 |
Hospital Militar Central Cirujano Mayor Dr. Cosme Argerich
Hospital Militar Central Cirujano Mayor Dr Cosme Argerich is a health care company located in Madrid, Spain, providing medical services and hospital care |
1,240 |
| 15 |
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 |
| 16 |
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 |
| 17 |
Santa Catalina - Neurorehabilitación Clínicasantacatalinaclinica.com
The company is dedicated to improving people's lives through professionalism, compassion, and advanced medical procedures in neurorehabilitation and chronic critical care |
1,095 |
| 18 |
Diagnóstico Maipú - Imágenes y Laboratoriodiagnosticomaipu.com
A private company specializing in medical imaging diagnostics, with multiple locations in the northern Greater Buenos Aires area and Buenos Aires city Cutting-edge technology and quality care |
1,061 |
| 19 |
Sanatorio Las Lomas S.A.laslomas.com.ar
A prominent healthcare facility in northern Buenos Aires province, located in San Isidro Their focus is on life-saving scientific advancements Email: info@laslomascomar |
1,056 |
| 20 |
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 |
| 21 |
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 |
| 22 |
Avalianavalian.com
Comprehensive healthcare coverage provider in Argentina with over 45 years of experience, supporting individuals and employees in maintaining their health |
1,003 |
| 23 |
Hospital San Roqueinstagram.com
Hospital Interzonal providing general acute care services in Gonnet, Buenos Aires, Argentina |
973 |
| 24 |
Hospital Central Dr Ramón Carrillohospitalcentralramoncarrillo.com
Healthcare institution providing services Monday to Friday from 08:00 to 20:00 Specialized in patient care and medical treatments |
952 |
| 25 |
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 |
| 26 |
Obra Social Union personalunionpersonal.com.ar
The company is responsible for the IT management of a social organization, medical centers, private health plans, and branches across the country |
919 |
| 27 |
IAF (Instituto Alexander Fleming)alexanderfleming.org
A leading private clinic in Argentina and Latin America, offering over 50 medical specialties with a focus on excellence, technology, research, and education |
799 |
| 28 |
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 |
| 29 |
Sanatorio Anchorena Recoletasanatorio-anchorena.com.ar
Health institution with top-quality service and technology equipment, led by healthcare professionals |
759 |
| 30 |
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 |
| 31 |
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 |
| 32 |
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 |
| 33 |
Leben Saludlebensalud.com.ar
Leben Salud is a healthcare entity within the Schroeder Group focused on providing diagnostic, treatment, and rehabilitation services with a commitment to society and excellence |
695 |
| 34 |
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 |
| 35 |
SANATORIO DE LA TRINIDAD QUILMES S.A.trinidadquilmes.com.ar
Established in 1980, this advanced medical facility and its adjacent centers cover 20,000m2 of continuous infrastructure for seamless communication and movement |
677 |
| 36 |
Federadafederada.com
A healthcare provider with 60 years of experience, offering a wide network of professionals, quality care, and additional services such as tourism and insurance |
676 |
| 37 |
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 |
| 38 |
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 |
| 39 |
Hospital Materno Infantil de Tigre
Hospital Materno Infantil de Tigre offers pediatric services, catering to the healthcare needs of children in the Tigre region |
663 |
| 40 |
Sanatorio Anchorena San Martínsasm.com.ar
A healthcare institution focused on providing quality medical care with warmth, honesty, respect, and teamwork to become a leading community healthcare provider |
646 |
| 41 |
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 |
| 42 |
Hospital Interzonal General de Agudos "Eva Perón" de San Martínweb.facebook.com
Communication portal for HIGA Eva Perón in San Martín (formerly Dr Castex), facilitating information sharing and interaction for users |
620 |
| 43 |
Centro Gallego de Buenos Airescentrogallegoba.com.ar
A prominent institution representing nearly five million Galicians and their descendants globally, focused on preserving and promoting Galician culture, tradition, and supporting healthcare needs |
612 |
| 44 |
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 |
| 45 |
SANATORIO JUNCALsjuncal.com.ar
The company aims to provide quality medical care with a focus on personalized attention, professionalism, and service vocation, striving to become a model healthcare provider in the South Zone |
596 |
| 46 |
Clínica del Valleclinicadelvalle.com.ar
Clinica del Valle is a multidisciplinary medical institution founded in 1981 It is the largest medical facility in the Patagonian region, offering complex services and advanced healthcare technology |
545 |
| 47 |
Sanatorio Modelo Quilmessanatoriomodeloquilmes.com
A medical center in Quilmes offering a wide range of modern medical services with exceptional professionals in various specialties |
507 |
| 48 |
Sanatorio del Oestesanatoriodeloeste.com
A healthcare facility in western Buenos Aires, offering top medical expertise, cutting-edge diagnostic technology, and patient-centered amenities for quality care and service excellence |
492 |
| 49 |
OSPe. Obra Social de Petrolerosospesalud.com.ar
Providing health and social protection services to petroleum industry employees, ensuring quality care, personalized attention, and nationwide presence. |
482 |
| 50 |
Hospital Italiano Rosariohospitalitalianorosario.com.ar
A group of highly qualified professionals at a hospital focused on prevention, diagnosis, and treatment of diseases with excellence in medical care and technological advancements |
479 |
| 51 |
Grupo Medihomemedihome.com.ar
Specializing in home healthcare for nearly 10 years, offering medical equipment rental/sales, teleassistance, physical medicine, pharmacy services, and scheduled patient transfers by ambulance |
470 |
| 52 |
Clinica Adventista Belgranoclinicaadventista.org
A medical clinic committed to providing advanced technology, high-quality medical care, and holistic attention to patients based on Christian beliefs and values |
469 |
| 53 |
DENTAL TOTALdentaltotal.com.ar
DENTAL TOTAL is a leading network of dental offices in Argentina, dedicated to providing high-quality general, cosmetic, and pediatric dentistry services with a focus on patient satisfaction |
451 |
| 54 |
Hospital Sirio Libanéshospitalsiriolibanes.org
The company was founded in 1916 to provide assistance to Middle Eastern immigrants in Argentina, eventually evolving into a hospital in 1933 |
450 |
| 55 |
RED BASAredbasa.com.ar
The company provides humanized and safe healthcare services to patients, their families, and healthcare personnel |
429 |
| 56 |
Clínica 25 de Mayoclinica25demayo.com.ar
Healthcare organization dedicated to improving quality of life and health conditions of the population through integral health services, with highly trained team and cutting-edge technology |
406 |
| 57 |
Clínica de Cuyo SAclinicadecuyo.com.ar
A leading health services provider with excellent professionals, cutting-edge technology, and warm service, known for excellence in healthcare delivery |
389 |
| 58 |
Clínica Imaclinicaima.com
Outpatient and inpatient healthcare services for medical treatment and care |
383 |
| 59 |
Fortaleza
Fortaleza is a health system where users only pay for the services they use, with no waiting periods or age limits, and no monthly fees or administrative costs |
381 |
| 60 |
Fundación Hospitalariafh.org.ar
Since 1966, the Foundation Hospital has provided excellent medical assistance with modern technology and specialists dedicated to maternal, fetal, and pediatric health |
370 |
| 61 |
Policlinico Modelo de Cipollettipmcsalud.com.ar
The company provides a wide range of outpatient and inpatient healthcare services, specializing in various medical fields and offering ambulatory care, hospitalization, and medical education programs |
366 |
| 62 |
Hospital Vélez Sarsfield
Founded in 1914, the company operates a General Acute Hospital, providing healthcare services to a population of 150,000 in the Western metropolitan area |
358 |
| 63 |
Hospital Privado Nuestra Señora de la Mercedhospitallamerced.com.ar
Highly complex hospital with experienced and academically trained team providing top-tier medical care and achieving excellence in healthcare |
355 |
| 64 |
ARGUS Diagnóstico Médicoargus.com.ar
Healthcare organization focused on providing high-quality diagnostic imaging services with cutting-edge technology and highly trained personnel to achieve patient preference |
354 |
| 65 |
Hospital Español Buenos Aireshospital-espanol.com.ar
A healthcare institution in Buenos Aires, belonging to a benevolent society, providing protection to society since 1852 through health services Contact for administrative and medical queries |
344 |
| 66 |
Hospital Santa Isabel de Hungríahospitalsantaisabel.com
A technologically equipped hospital in Mendoza, offering medical services to the community with 120 beds, 22 outpatient clinics, and all medical specialties on-site |
339 |
| 67 |
Hospital Municipal San Cayetanosanfernando.gob.ar
A healthcare facility with 15 medical specialties, state-of-the-art diagnostic equipment, and year-round free services for adults and children |
323 |
| 68 |
Clinica Boedoclinicaboedo.com.ar
A multidisciplinary medical center in Buenos Aires, offering a wide range of inpatient and outpatient services with 24/7 emergency care |
314 |
| 69 |
Clínica San Agustínsanagustin.com.ar
Dedicated to providing high-quality, comprehensive patient care with a focus on professionalism, efficiency, and excellence at our clinic |
313 |
| 70 |
ALPI Asociación Civilalpi.org.ar
The company specializes in pediatric and adult rehabilitation, providing diagnosis, treatment, research, and education for neuro-motor conditions and injuries |
311 |
| 71 |
Clínica Colón - Mar del Plataclinicacolon.com.ar
Private healthcare facility in Mar del Plata offering a wide range of services with advanced technology, committed to caring for the health and well-being of individuals |
309 |
| 72 |
Instituto Médico Platense S.Ainstitutomedicoplatense.com
Providing excellent medical care to the community |
267 |
| 73 |
PalCarepalcarehealth.com
PalCare is a Home Care company specializing in Palliative Care for patients with advanced or life-threatening illnesses, offering comprehensive interdisciplinary medical services |
236 |
| 74 |
CIARECweb.ciarec.com.ar
CIAREC is a clinic specializing in acute and subacute patient care, providing top-quality medical attention for adults and children, focusing on holistic rehabilitation |
229 |
| 75 |
Sanatorio Aconcaguasanatorioaconcagua.com
A private healthcare institution dedicated to forming highly skilled and compassionate health teams, with cutting-edge technology to address patients' medical needs |
198 |
| 76 |
INAREPSargentina.gob.ar
Interdisciplinary public hospital specializing in motor, cognitive, and visceral functional rehabilitation |
186 |
| 77 |
ÜMA Salud IAumasalud.com
Health Tech company using AI to develop microservices, enhancing access to healthcare services and empowering doctors to provide more effective care |
185 |
| 78 |
GALENO ARGENTINA S.A.trinidadsanisidro.com.ar
A leading private hospital in Argentina known for its high complexity healthcare services, modern architecture, advanced technology, top-tier hospitality, and experienced professionals |
176 |
| 79 |
OBRA SOCIAL DEL PERSONAL DE MAESTRANZAsom.org.ar
A social welfare organization for cleaning staff, providing support and services at their central headquarters on Caseros Avenue 3379 |
168 |
| 80 |
Hospital Prof. Dr. Rodolfo Rossims.gba.gov.ar
A General Acute Care Hospital under the Ministry of Health of Buenos Aires Province, located in La Plata, providing medical services |
168 |
| 81 |
doc24doc24.com.ar
A digital health startup founded in 2016, focusing on democratizing access to healthcare through technological innovation for various organizations worldwide |
166 |
| 82 |
Medicus, Aplicaciones Médicas Integralesmedicus.com.mx
A leading provider of technology, supplies, and services for Anesthetics, Orthopedics, and Endoprosthetics with global solutions for Operating Rooms |
165 |
| 83 |
Medical Hairmedicalhair.com.ar
A leading hair recovery clinic in Latin America and Europe specializing in hair restoration treatments and solutions |
162 |
| 84 |
Cleanmanagerscleanmanagers.com
A motivated team providing hygiene and food solutions, enhancing quality of life, with 20+ years of experience in professional cleaning services |
160 |
| 85 |
EMI Emergencia Médica Integral S.A.emi.com.ar
Leader in medical emergencies in Córdoba, part of a group offering nationwide healthcare ISO 9001 certified for telephonic and home medical services |
160 |
| 86 |
IPC Instituto Medicoipcinstitutomedico.com.ar
A medical center with over 30 years of experience providing primary and preventive care, with a wide range of specialties and diagnostic services available |
156 |
| 87 |
Helios Saludheliossalud.com.ar
Helios Salud specializes in HIV, viral hepatitis, and STIs, offering comprehensive care with a team of highly trained professionals, personalized services, and modern technology |
153 |
| 88 |
CMIC Saludcmic.com.ar
CMIC views health as a state of well-being, promoting love, joy, and harmony with nature to improve overall wellness |
152 |
| 89 |
INSTITUTO MODELO DE CARDIOLOGIA PRIVADOimcnet.com.ar
A company with over 41 years of growth and 100 professionals offering 50+ medical specialties, committed to excellence in personalized care |
152 |
| 90 |
Hospital "Eva Perón" - Ente Descentralizado "Dr. A. Saintout"hospitalevaperon.gob.ar
A public regional hospital located in Benito Juárez, Argentina, providing healthcare services since 1954 with a focus on autonomy and community health |
150 |
| 91 |
Hospital "Dr. Alejandro Korn"
Specialized hospital for acute and chronic care |
149 |
| 92 |
Grupo Médico Maschwitzgrupomedico.com.ar
A family-focused medical center with 160 professionals in various specialties across three locations, dedicated to prevention and specialized care |
149 |
| 93 |
Hominis Medicina Prepagahominis.com.ar
A health company offering medical plans focused on prevention and assistance, with a network of branches and access to advanced technology and highly qualified professionals |
149 |
| 94 |
Clínica Basileaclinicabasilea.com.ar
A highly specialized rehabilitation center offering respiratory, neurological, and motor rehabilitation, with long-term mechanical respiratory assistance and specific treatments for sub-acute patients |
148 |
| 95 |
Centro Cardiovascular de Puerto Rico y el Caribeagencias.pr.gov
Providing high-quality healthcare services for cardiovascular conditions through prevention, diagnosis, treatment, rehabilitation, education of health professionals, and research development |
148 |
| 96 |
Hospital Privado SADIVhpsadiv.com
A leading integral health center focused on quality patient care through cutting-edge technology, professional excellence, and a compassionate approach, prioritizing patient safety and well-being |
147 |
| 97 |
SANATORIO PROF.ITOIZitoiz.com.ar
A prestigious medical institution with a history dating back to 1937, offering comprehensive pediatric and adult healthcare services in Avellaneda |
146 |
| 98 |
Hospital Privado Modelohospitalprivadomodelo.com.ar
This company operates a private hospital and manages its institutional website |
146 |
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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 9, 2026.
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