| # | Company | Employees |
|---|---|---|
| 1 |
Penn Medicine, University of Pennsylvania Health Systempennmedicine.org
Leading academic medical center combining cutting-edge research, comprehensive patient care, and education to improve health and transform lives regionally. |
21,979 |
| 2 |
Jefferson Healthjeffersonhealth.org
This company is dedicated to providing excellent clinical care, educating future health professionals, and advancing research in health sciences |
18,520 |
| 3 |
Children's Hospital of Philadelphiachop.edu
Specialized pediatric hospital providing exceptional patient care, pioneering medical research, and training future pediatric healthcare professionals. |
18,042 |
| 4 |
AmeriHealth Caritasamerihealthcaritas.com
providing integrated managed care, pharmaceutical and behavioral health services, supporting communities, improving health outcomes, and addressing poverty challenges |
6,442 |
| 5 |
Temple Health – Temple University Health Systemtemplehealth.org
Temple Health provides advanced research and clinical care, offering innovative treatments through renowned physicians, nurses, and researchers in various medical facilities and practices |
5,770 |
| 6 |
Aramark Healthcare+aramark.com
Providing innovative solutions for elevating patient and caregiver experiences in the ever-evolving healthcare industry |
3,941 |
| 7 |
Einstein Healthcare Networkjeffersonhealth.org
Healthcare network serving Philadelphia and Montgomery County, offering comprehensive medical services and patient care across multiple facilities. |
3,812 |
| 8 |
Fox Chase Cancer Centerfoxchase.org
Dedicated cancer hospital with expert multidisciplinary teams advancing prevention, diagnosis, treatment, and survivorship through pioneering research and clinical care. |
2,146 |
| 9 |
Aria - Jefferson Healthjeffersonhealth.org
A leading healthcare provider in Northeast Philadelphia and Lower Bucks County, offering community hospitals, outpatient centers, and primary care physicians to improve lives |
1,421 |
| 10 |
St. Christopher's Hospital for Childrentowerhealth.org
A renowned pediatric care provider in Philadelphia offering exceptional services and nationally recognized programs for children worldwide since 1875 |
1,364 |
| 11 |
Hahnemann University HospitalHahnemannHospital.com
Academic medical center offering high-quality care in kidney/liver transplantation, OB/GYN, oncology, robotic surgery, pediatrics, bariatric surgery, neurology, orthopedics, urology, and more |
1,019 |
| 12 |
Health Partners Plansjeffersonhealthplans.com
A company owned by Jefferson Health, offering Medicaid, Medicare, and CHIP plans with special benefits to improve members' health and wellness |
983 |
| 13 |
Nazareth Hospitaltrinityhealthma.org
Providing compassionate healthcare services to Northeast Philadelphia and surrounding areas for over 75 years with a focus on personal care |
825 |
| 14 | 
St Joes Hospital
A hospital & health care company located in Philadelphia, Pennsylvania, providing medical services and care to the community |
804 |
| 15 |
Jefferson Moss-Magee Rehabilitationjeffersonhealth.org
Provider of physical and cognitive rehabilitation in Philadelphia region, offering lifetime programs for individuals with spinal cord injury, brain injury, stroke, and more |
603 |
| 16 |
Elixirelixirsolutions.com
Pharmacy benefits and services company offering adjudication platform, mail/specialty pharmacies, population health services, and prescription discount programs for cost savings and better health outcomes |
584 |
| 17 |
Wills Eye Hospitalwillseye.org
A global leader in eye disease treatment, providing top-notch care, cutting-edge technology, and advanced surgical capabilities to patients worldwide since 1832 |
556 |
| 18 |
GSPP Rehabilitationpennrehab.org
Innovative rehabilitation services for a wide range of conditions, offering inpatient and outpatient care, guided by expert clinical staff shaping future research |
445 |
| 19 |
Chestnut Hill Hospital - Temple Healthtemplehealth.org
A community-based teaching hospital in Chestnut Hill, Philadelphia, offering a wide range of diagnostic, treatment services, and specialties with board-certified physicians |
432 |
| 20 |
AmeriBest Home Careameribesthomecare.com
Dedicated to providing high quality home health and personal care services for clients to lead independent lives in their own homes |
422 |
| 21 |
Keystone Firstkeystonefirstpa.com
Pennsylvania's largest Medicaid managed care health plan offering special programs and benefits, owned by Vista Health Plan, an independent licensee |
417 |
| 22 |
Patriot Home Carepatriothomecare.org
A leading provider of home care and home health services in Pennsylvania and Delaware, offering superior care to clients and benefits to employees |
409 |
| 23 |
Moravia Healthmoraviahealth.com
A full service Home Health Agency in Pennsylvania, providing safe, sensible, and affordable healthcare services to help people remain at home |
380 |
| 24 |
Roxborough Memorial Hospitalroxboroughmemorial.com
A 131-bed community hospital serving Roxborough, Manayunk, and northwest Philadelphia with a century-old commitment to healthcare and healing |
363 |
| 25 |
Greater Philadelphia Health Action, Inc.gphainc.org
A non-profit organization providing high-quality medical, dental, behavioral health, pharmacy, and child development services to medically under-served populations in Philadelphia |
332 |
| 26 |
Inglisinglis.org
Empowering individuals with disabilities in Greater Philadelphia through innovative programs, technology, employment services, and wheelchair-accessible housing Also offers residential care and patented products |
316 |
| 27 |
Gift of Life Donor Programdonors1.org
Organ procurement organization coordinating organ and tissue transplants in eastern Pennsylvania, southern New Jersey, and Delaware since 1974 |
298 |
| 28 |
HealthVerityhealthverity.com
HealthVerity synchronizes cutting-edge technologies with healthcare and consumer data to advance scientific outcomes through identity management, privacy compliance, governance, and data exchange |
262 |
| 29 |
Delaware Valley Community Healthdvch.org
A non-profit healthcare organization operating multiple community health centers providing high quality medical, dental, and behavioral health services to underserved populations for over 45 years |
249 |
| 30 |
Sidney Kimmel Comprehensive Cancer Center at Jeffersonjeffersonhealth.org
A leading cancer center focused on research, patient care, and education in Greater Philadelphia, striving to improve lives through innovation and breakthroughs #CancerCure |
244 |
| 31 |
Fairmount Behavioral Health Systemfairmountbhs.com
A 239-bed behavioral health facility offering inpatient services for children, adolescents, and adults, with specialized units and a dedicated team providing compassionate care |
213 |
| 32 |
Esperanza Health Centeresperanzahealth.com
A faith-based community health center in north Philadelphia offering affordable bilingual primary health care, support services, wellness programs, and more |
184 |
| 33 |
Jefferson University Hospitaljefferson.edu
A hospital and healthcare company located in Philadelphia, Pennsylvania, providing medical services and care to patients in the United States |
172 |
| 34 |
The Philadelphia Protestant Homepphfamily.org
A retirement community offering a full spectrum of services for seniors, focusing on comfort, care, affordability, and entertainment for over 125 years |
170 |
| 35 |
NewCourtlandnewcourtland.org
A Philadelphia-based non-profit organization provides affordable housing, healthcare, and supportive services to low-income seniors customized to individual needs |
157 |
| 36 |
Prestige Home Care Agencyprestigehomecareagency.com
The Prestige family helps individuals with disabilities rediscover joy and meaning by providing personalized services to meet their needs |
156 |
| 37 | 149 |
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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 10, 2026.
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