| # | Company | Employees |
|---|---|---|
| 1 |
CommonSpirit Healthcommonspirit.careers
Building a healthier future for all through integrated health services, delivering patient encounters via clinics, care sites, hospitals, home-based services, and virtual care. |
48,074 |
| 2 |
University of Chicagouchicago.edu
A prestigious academic institution encouraging scholars and students to think critically, explore various disciplines, and challenge conventional ideas for global enrichment |
18,526 |
| 3 |
University of Illinois Chicagouic.edu
A large university in Chicago with 33,000 students, 12,000 employees, 16 colleges, and a public medical center |
17,943 |
| 4 |
Northwestern Medicinenm.org
Academic medical center combining research, teaching, and patient care with a large workforce across numerous regional locations and top-ranked hospitals. |
16,181 |
| 5 |
Rush University Medical Centerrush.edu
Academic medical center with hospital, health center, university offering medical, nursing education, research, residency programs, and community outreach services. |
12,484 |
| 6 |
Help at Homehelpathome.com
Providing person-centered home care services for seniors and individuals with disabilities, creating meaningful moments and driving high-quality outcomes in multiple states |
10,421 |
| 7 |
Aspen Dentalcareers.aspendental.com
Provides dental care and supports healthcare brands through a parent company, aiming for broader access and improved patient well-being nationwide. |
9,615 |
| 8 |
UChicago Medicineuchicagomedicine.org
Provides superior, compassionate healthcare, advancing medical innovation, serving community health needs, and furthering knowledge through an academic medical institution and regional network. |
7,940 |
| 9 |
Northwestern Memorial Hospitalnmh.org
A collaboration between healthcare and university partners, Northwestern Medicine aims to transform healthcare through research, teaching, and patient care excellence |
7,371 |
| 10 |
Ann & Robert H. Lurie Children's Hospital of Chicagoluriechildrens.org
Largest pediatric healthcare provider in the region, teaching partner of Northwestern University, nationally ranked in all pediatric specialties. |
7,202 |
| 11 |
AMITA Healthadventhealth.com
Leading healthcare network in Illinois with 19 hospitals, 230+ outpatient sites, and a large provider network offering excellent care close to home |
5,689 |
| 12 |
Oak Street Health, part of CVS Healthoakstreethealth.com
Network of primary care centers focusing on personalized, value-based preventive care for older adults on Medicare across communities. |
5,183 |
| 13 |
Presence Healthpresencehealth.org
A healthcare system in Illinois with 19 hospitals and over 230 sites, providing care to 43 million residents in the Chicagoland area |
4,089 |
| 14 |
UI Healthhospital.uillinois.edu
This academic health enterprise in Illinois offers comprehensive care, education, and research to promote health equity and train healthcare leaders |
2,813 |
| 15 |
Vijobs.viliving.com
The company develops and operates exclusive CCRCs in desirable locations, committed to enhancing residents' lives and investing in employees' development |
2,427 |
| 16 |
Shirley Ryan AbilityLabsralab.org
Specializes in treating severe physical disabilities through integrated clinical care and research, improving recovery for complex conditions. |
2,124 |
| 17 |
Cook County Healthcookcountyhealth.org
Cook County Health provides comprehensive medical services for over 500,000 people annually in Chicago and suburban Cook County, regardless of ability to pay |
2,094 |
| 18 |
Swedish Hospitalswedishcovenant.org
Endeavor Health is a unified healthcare system providing personalized patient experiences and world-class care through collaboration between multiple hospitals |
1,862 |
| 19 |
Sinai Chicagosinaichicago.org
Committed to improving the health of diverse communities in Chicago, offering a range of inpatient/outpatient services, research programs, and social services |
1,851 |
| 20 |
The Aspen Groupteamtag.com
Supports providers across dental, medical aesthetics, urgent care, and veterinary medicine, empowering clinicians and expanding access to high-quality care nationwide through various brands and education. |
1,697 |
| 21 |
VillageMDvillagemd.com
The company provides accessible healthcare services through primary, multi-specialty, and urgent care providers in various settings to improve patient outcomes and reduce healthcare costs |
1,683 |
| 22 |
Senior Lifestyleseniorlifestyle.com
A family-owned business based in Chicago dedicated to serving seniors through a variety of living options and innovative life enrichment programs |
1,587 |
| 23 |
Thresholdsthresholds.org
Provider of healthcare, housing, and hope for individuals with mental health and substance use disorders through care, employment, advocacy, and community-based services |
1,415 |
| 24 |
WellNow Urgent Carewellnow.com
A rapidly expanding provider of urgent medical care, virtual care, occupational health services, and clinical research with over 200 centers in multiple states |
1,320 |
| 25 |
Enlivant
Enlivant provided high-quality, compassionate care to seniors across the US but has transitioned operations to new operators as of September 2023 |
1,272 |
| 26 |
Advocate Illinois Masonic Medical Centeradvocatehealth.com
A Chicago-based 408-bed hospital offering comprehensive inpatient and outpatient medical services, including trauma care and neonatal intensive care |
1,237 |
| 27 |
Gateway Foundationgatewayfoundation.org
A nonprofit organization providing substance use disorder treatment, specializing in personalized programs to address underlying causes of addiction and mental health disorders |
1,188 |
| 28 |
Beltonebeltone.com
A company dedicated to setting new standards in hearing aids, using cutting-edge technology to provide personalized solutions and improve quality of life for those with hearing loss |
1,093 |
| 29 |
Resurrection Health Carepresencehealth.org
A Catholic health system in Illinois with 12 hospitals, 27 long-term care facilities, physician offices, home care, hospice, and behavioral health services |
1,033 |
| 30 |
Metropolitan Family Servicesmetrofamily.org
Empowering Chicago-area families to learn, earn, heal, and thrive since 1857 Serving over 136,600 diverse families to reach their greatest potential |
1,026 |
| 31 |
Saint Anthony Hospitalsahchicago.org
Independent community hospital in Chicago's southwest side offering medical care, social services, and outreach programs to residents regardless of nationality or ability to pay |
948 |
| 32 |
Compass Health Centercompasshealthcenter.net
Provider of non-hospital-based mental health services in Illinois and Maryland, offering Partial Hospitalization and Intensive Outpatient programs for individuals needing intermediate care |
942 |
| 33 |
Access Community Health Networkachn.net
A large network of federally-qualified health centers in Chicagoland area providing patient-centered, preventive, and primary care services to over 170,000 patients annually |
936 |
| 34 |
Village Medicallinktr.ee
This company provides primary care services through traditional free-standing clinics, Village Medical at Walgreens clinics, at-home visits, and telehealth appointments |
849 |
| 35 |
NOCDtreatmyocd.com
Telehealth provider specializing in OCD treatment through live video therapy sessions with licensed therapists, self-help tools, and peer communities for support |
796 |
| 36 |
Midwest Orthopaedics at Rushrushortho.com
Leader in musculoskeletal health with renowned surgeons offering surgical and non-surgical care, providing team care for professional sports teams and dance organizations |
771 |
| 37 |
Charter Senior Livingcharterseniorliving.com
A compassionate leader in senior living, offering independent, assisted living, and memory care services with a focus on resident satisfaction and outstanding service |
754 |
| 38 |
Mercy Hospital & Medical Centertrinity-health.org
A leading Chicago hospital offering world-class medicine with compassion and excellence, including award-winning heart & vascular care and comprehensive health services |
738 |
| 39 |
Dental Dreams LLCdentaldreams.com
A dental company founded in 2001, providing high-quality services in underserved communities with over 150 dentists and 500 employees nationwide |
665 |
| 40 |
One Hope Unitedonehopeunited.org
A private human service organization investing in children and families through early childhood education, foster care, residential facilities, and community-based family services |
642 |
| 41 |
Aspen Dental Management, Inc. (ADMI)careers.aspendental.com
Provides business support services to dental, urgent care, and medical aesthetics practices, enabling growth and patient care across 45 states. |
632 |
| 42 |
Erie Family Health Centerseriefamilyhealth.org
Providing high quality and affordable healthcare services to promote wellness and support healthier individuals, families, and communities |
608 |
| 43 |
The Alden Networkalden.com
Provider of senior health care and living services in Chicagoland with over 40 sites offering rehabilitation, memory care, skilled nursing, and independent living options |
578 |
| 44 |
Trilogytrilogyinc.org
A nonprofit organization providing integrated care for mental health recovery, supporting those with significant mental illnesses and co-occurring issues in Chicago |
566 |
| 45 |
ASIasiservices.org
Provides quality supportive care services and resources to senior citizens and persons with disabilities throughout metropolitan Chicago, enabling dignified independent living. |
562 |
| 46 |
WellBe Senior Medicalwellbe.com
Provides expert in-home medical care for individuals with complex, chronic conditions, collaborating with patients, caregivers, and existing clinicians at no additional cost. |
550 |
| 47 |
Synergy Home Care Of Chicagosynergyhomecare.com
A trusted provider of non-medical home care services for all ages, offering immediate and long distance care for a variety of needs |
17 |
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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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The same list elsewhere in United States
- Healthcare providers in the United States 3,019
- Healthcare providers in California 277
- Healthcare providers in New York State 261
- Healthcare providers in Texas 221
- Healthcare providers in Florida 184
- Healthcare providers in Illinois 140
- Healthcare providers in Pennsylvania 139
- Healthcare providers in Massachusetts 108
- Healthcare providers in Tennessee 96
- Healthcare providers in Ohio 90
- Healthcare providers in New Jersey 77
- Healthcare providers in Michigan 76
- Healthcare providers in North Carolina 75
- Healthcare providers in Washington State 73
- Healthcare providers in Georgia 70
- Healthcare providers in Missouri 70
- Healthcare providers in Alabama 66
- Healthcare providers in Maryland 66
- Healthcare providers in Colorado 65
- Healthcare providers in Minnesota 65
- Healthcare providers in Arizona 63
- Healthcare providers in Virginia 63
- Healthcare providers in Indiana 61
- Healthcare providers in New York 95