| # | Company | Employees |
|---|---|---|
| 1 |
AMRI Hospitalsamrihospitals.in
A leading healthcare provider in Eastern India with multiple hospitals offering world-class, affordable care, cutting-edge treatment, and personalized attention to patients |
1,278 |
| 2 |
Medica Superspecialty Hospital, Kolkatamanipalhospitals.com
A 400-bed NABH-accredited hospital in Kolkata offering world-class healthcare services, 24脳7 emergency support, and affordable care in a safe, ethical environment |
1,237 |
| 3 |
Desun Hospitalsdesunhospital.com
A group of NABH accredited hospitals in Kolkata & Siliguri, West Bengal, India providing healthcare services to the community |
937 |
| 4 |
ILS Hospitalsilshospitals.com
A healthcare arm of the GPT Group with 4 state-of-the-art multi-specialty hospitals offering quality treatment at affordable rates in eastern India |
875 |
| 5 |
Suraksha Diagnosticssurakshanet.com
A leading diagnostic chain in Eastern India offering clinical diagnosis services, accredited by CAP, pioneering AI technology in reference lab |
841 |
| 6 |
CK Birla Hospitals, Indiackbirlahospitals.com
Leading healthcare group in India with multiple hospitals offering comprehensive outpatient and inpatient services, performing successful surgeries and critical cardiac procedures |
704 |
| 7 |
Apollo Multispeciality Hospitalsapollohospitals.com
A 700-bedded multispecialty tertiary care hospital in Kolkata, offering technological excellence, complete infrastructure, competent care, and accredited quality healthcare services |
703 |
| 8 |
Ruby General Hospitalrubyhospital.com
An ISO certified multispeciality hospital with experienced medical staff, advanced technology, emergency services, and a high success rate in major surgeries and procedures |
627 |
| 9 |
Mercy Hospitalmercyhospitalkolkata.com
A leading healthcare organization committed to serving the needy in West Bengal, Odisha, and Jharkhand with a strong value system and NABH accreditation |
593 |
| 10 |
NRS Medical College, Kolkatanrsmc.edu.in
A top medical teaching institution and public hospital in West Bengal, located in Kolkata, India, providing quality healthcare services and education |
578 |
| 11 |
Charnock Hospitalscharnockhospital.com
A premier 300-bed super speciality hospital in Kolkata, offering advanced medical care in Cardiac Science, Neuroscience, Orthopaedics, Critical Care, and more |
496 |
| 12 |
Kothari Medical Centrekotharimedical.com
A 10-story hospital with 360 beds providing specialized medical care through ancient heritage, modern techniques, and comprehensive services for patients' comfort and recovery |
401 |
| 13 |
Rabindranath Tagore International Institute of Cardiac Sciencesrtiics.org
A hospital and healthcare company located in Kolkata, West Bengal, India, specializing in cardiac care services |
387 |
| 14 |
Woodlands Hospitalwoodlandshospital.in
A top-tier multispecialty hospital with advanced technology, skilled doctors, and quality care in various specialties to meet international standards |
354 |
| 15 |
Eskag Sanjeevani Pvt Ltdeskagsanjeevani.com
Eskag Sanjeevani provides top-quality healthcare facilities and dialysis services, aiming to improve treatment outcomes with advanced infrastructure and expert medical staff |
349 |
| 16 |
HERITAGE HEALTH INSURANCE TPA PVT. LTD.223.31.103.204.
A hospital & health care company based in Kolkata, West Bengal, India, providing services in third party administration for healthcare |
346 |
| 17 |
Jagannath Gupta Institute of Medical Sciences and Hospitaljimsh.org
A leading medical college and hospital in Kolkata offering top-tier medical education, advanced healthcare services, and 24/7 patient care with a commitment to innovation and community health needs |
345 |
| 18 |
Belle Vue Clinicbellevueclinic.com
A top Super Specialty Hospital in Eastern India offering comprehensive medical care with warmth and a smile |
313 |
| 19 |
Susrut Eye Foundation & Research Centresusrut.org
A hospital and healthcare company in Kolkata, India, specializing in eye care, research, and providing medical services to the community |
302 |
| 20 |
B.P. Poddar Hospital & Medical Research Limitedbppoddarhospital.com
A multispeciality hospital offering advanced healthcare services with specializations in Oncology, Cardiothoracic surgery, Traumatology, and clinical research, including comprehensive cancer treatment |
290 |
| 21 |
The Institute of Neurosciences Kolkataneurokolkata.org
A state-of-the-art institute in Kolkata specializing in neurological disorders research and treatment, offering comprehensive programs for adults and children |
267 |
| 22 |
Calcutta Medical Research Institutecmrihospitals.co.in
A renowned multi-specialty and research center in India founded by a visionary philanthropist, offering advanced healthcare services and social welfare initiatives |
219 |
| 23 |
ESKAG SANJEEVANI PRIVATE LIMITED
A hospital and healthcare organization in West Bengal, India, providing medical services from its location in Kolkata |
185 |
| 24 |
PEERLESS HOSPITEX HOSPITAL AND RESEARCH CENTER LTD.
A hospital and research center located in Kolkata, West Bengal, India, providing healthcare services to patients and conducting research |
183 |
| 25 |
Desun Hospital And Heart Research Institutedesunhospital.com
A hospital in Kolkata, India offering top-notch, affordable services such as surgical treatments, cardiac care, cosmetic surgery, bypass surgery, and pacemaker procedures |
161 |
| 26 |
Techno India DAMA Healthcare & Medical Centretechnoindiahealth.com
A multi specialty hospital in West Bengal offering a wide range of healthcare services including neurosciences, oncology, cardiology, and more |
154 |
| 27 |
GD Hospital & Diabetes Institutegdhospitals.org
Providing quality healthcare with a focus on diabetes and related issues, ensuring universal access to compassionate and empathetic treatment |
147 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 9, 2026.
More company lists in Kolkata
- The largest companies in Kolkata 579
- IT Services and IT Consulting companies in Kolkata 43
- Financial Services companies in Kolkata 33
- Education Administration Programs companies in Kolkata 27
- Higher Education companies in Kolkata 27
The same list elsewhere in India
- Hospitals and Health Care companies in India 682
- Hospitals and Health Care companies in Bengaluru 65
- Hospitals and Health Care companies in New Delhi 62
- Hospitals and Health Care companies in Mumbai 50
- Hospitals and Health Care companies in Chennai 42
- Hospitals and Health Care companies in Gurugram 28
- Hospitals and Health Care companies in Hyderabad 25