| # | Company | Employees |
|---|---|---|
| 1 |
Advocate Aurora Healthadvocateaurorahealth.org
An integrated health system providing high-quality care, clinical innovation, and research studies, with a strong focus on academic partnerships and community benefits |
15,279 |
| 2 |
Aurora Health Carecareers.aah.org
Nonprofit integrated health system providing clinical innovation, specialized care, research, education, and community benefits across multiple states. |
13,816 |
| 3 |
UW Healthuwhealth.org
Integrated academic health system operating multiple hospitals and clinics, providing care to over 832,000 patients annually in Wisconsin and Illinois. |
10,155 |
| 4 |
Marshfield Clinic Health Systemmarshfieldclinic.org
Providing comprehensive healthcare services, research, education, and community partnerships across rural Wisconsin and Michigan's Upper Peninsula. |
5,019 |
| 5 |
Gundersen Health Systemgundersenhealth.org
Not-for-profit healthcare network delivering primary, specialty, and emergency care across multiple hospitals and clinics in the Midwest region. |
4,991 |
| 6 |
Children's Wisconsinchildrenswi.org
A top pediatric hospital with 500 pediatric-trained doctors providing a range of medical care and community support programs for children's well-being |
4,955 |
| 7 |
Froedtert Healthfroedtert.com
Academic medical center with multiple hospitals and clinics providing patient care, medical research, education, and trauma services across Wisconsin. |
4,892 |
| 8 |
ThedaCarethedacare.org
A non-profit healthcare organization in northeast Wisconsin with seven hospitals, 35 clinics, and Mayo Clinic affiliation, providing serious and complex healthcare to over 235,000 patients annually |
4,097 |
| 9 |
Aspirus Healthaspirus.org
A non-profit health system in Wisconsin and Upper Michigan with hospitals, clinics, home health care, pharmacies, and a network of physicians |
4,095 |
| 10 |
Marshfield Clinicmarshfieldclinic.org
A large private multispecialty group practice with 775 physicians in 80 specialties across Wisconsin and Michigan's Upper Peninsula |
3,282 |
| 11 |
ProHealth Carecareers.prohealthcare.org
A healthcare company in Wisconsin that values its employees, offers a supportive culture, generous benefits, and opportunities for education to provide exceptional patient care |
3,227 |
| 12 |
Bellin Healthbellin.org
A premier health system in Northeast Wisconsin and Michigan, offering expertise in cardiac care, orthopedics, sports medicine, mental health, and primary care services |
2,509 |
| 13 |
UnityPoint Health – Meriterunitypoint.org
UnityPoint Health - Meriter provides high-quality healthcare services, including hospital care, clinics, home health care, laboratories, and community philanthropic activities in Wisconsin |
2,390 |
| 14 |
Versiti Inc.versiti.org
Blood health innovators focused on discovery, diagnosis, and treatment, conducting groundbreaking research and providing life-saving donations to communities and healthcare partners nation-wide |
2,047 |
| 15 |
Navitus Health Solutionsnavitus.com
A purpose-driven pharmacy benefit manager focused on reducing costs in the drug supply chain to make medications more affordable |
1,667 |
| 16 |
Direct Supplydirectsupply.com
A company modernizing senior care delivery since 1985, offering industry-leading platforms, advanced procurement capabilities, and a data-driven supply chain |
1,473 |
| 17 |
Prevea Healthprevea.com
A multispecialty physician group in Northeast Wisconsin providing patient-centered care with a focus on innovation, compassion, and teamwork |
1,421 |
| 18 |
Columbia St. Mary'shealthcare.ascension.org
A faith-based healthcare organization providing compassionate care to all, with a focus on those in poverty and vulnerable populations |
1,419 |
| 19 |
University of Wisconsin Hospital and Clinicsuwhealth.org
A prestigious academic medical center with 471 beds, specializing in cancer treatment, pediatrics, ophthalmology, surgical specialties, and organ transplantation |
1,378 |
| 20 |
Froedtert Southfroedtertsouth.com
A regional healthcare system in southeastern Wisconsin and northern Illinois, dedicated to providing compassionate healthcare services and promoting well-being for all |
1,268 |
| 21 |
Health Care At Home
Hospital and health care company providing medical services at home, located in Stevens Point, Wisconsin, United States |
1,266 |
| 22 |
SSM Health St. Mary’s Hospital – Madisonstmarysmadison.com
Medical facility offering comprehensive healthcare services in South Central Wisconsin since 1912, including inpatient, outpatient, and specialty care |
1,201 |
| 23 |
Dean Clinicssmhealth.com
Integrated healthcare organization based in Madison, Wisconsin, providing medical services, health insurance, ancillary services, and eye care across southern Wisconsin |
1,097 |
| 24 |
AbleLightablelight.org
A national leader in empowering individuals with disabilities through comprehensive supports such as housing, employment, financial services, and assistive technology |
1,081 |
| 25 |
Agnesian HealthCareagnesian.com
A locally based, not-for-profit integrated healthcare system sponsored by the Congregation of Sisters of St Agnes, providing compassionate care and various healthcare services |
1,071 |
| 26 |
HSHS St. Vincent Hospital Green Bayhshs.org
Leading hospital in Northeast Wisconsin with cutting-edge prevention, diagnostic, and treatment procedures, top technology, and skilled medical professionals |
999 |
| 27 |
Tamarack Healthtamarackhealth.org
Providing excellent care throughout life, including hospital, clinics, long term care, and housing options, to support independence and healing |
821 |
| 28 |
Logistics Health Incorporatedlogisticshealth.com
Designs, implements, and manages customized healthcare solutions for federal, state agencies, and commercial customers, including various exams, treatments, and wellness services. |
796 |
| 29 |
Bethesda Lutheran Communitiesablelight.org
AbleLight provides life-changing services for individuals with intellectual and developmental disabilities, helping them achieve their full potential Follow their LinkedIn page for updates |
750 |
| 30 |
Community Care Inccommunitycareinc.org
Coordinates supportive services for older adults and individuals with disabilities in Wisconsin, enabling independent living through personalized care plans and provider partnerships. |
687 |
| 31 |
Midwest Dentalcareers.smilebrands.com
A part of #TeamSmileBrands, this company operates over 440 dental offices nationwide with 8,000 employees, providing dental services in 30 states |
666 |
| 32 |
Clement J. Zablocki VA Medical Centerva.gov
The medical center provides comprehensive medical care, including primary, secondary, and tertiary services, to veterans in southeastern and east central Wisconsin |
662 |
| 33 |
DeliverHealthai.deliverhealth.com
A software and technology company specializing in revenue cycle management, clinical documentation, and digital health solutions to reduce burdens and improve care |
634 |
| 34 |
Versiti Blood Center of Wisconsinversiti.org
This company based in Milwaukee provides blood and blood products to hospitals, delivering life-saving solutions and enhancing people's lives |
595 |
| 35 |
Beloit Health Systembeloithealthsystem.org
An independent community health system in northern Illinois and southern Wisconsin offering world-class facilities and services to improve community health |
589 |
| 36 |
Affinity Health Systemhealthcare.ascension.org
A faith-based healthcare organization dedicated to providing compassionate care, serving communities in need, and promoting innovation in healthcare delivery |
584 |
| 37 |
Fort HealthCareforthealthcare.com
Fort HealthCare provides comprehensive healthcare services in Jefferson County, including inpatient care, specialty clinics, emergency services, and a sliding fee schedule for those in need |
579 |
| 38 |
HSHS St. Mary's Hospital Medical Centerhshs.org
A leading healthcare facility in Northeast Wisconsin offering orthopedic, digestive, cardiac, women's and child care, emergency, and diagnostic services with a focus on holistic healing |
576 |
| 39 |
SKYGENskygenusa.com
A technology company offering dental and vision connectivity solutions for healthcare payers, focusing on efficiencies, marketplace interactions, and improving healthcare access |
556 |
| 40 |
Monroe Clinicmonroeclinic.org
A Catholic, not-for-profit health care network offering a wide range of services in southern Wisconsin and northern Illinois, with awards for quality and service |
525 |
| 41 |
Aurora St. Luke’s Medical Center
A leading medical center in Wisconsin providing exceptional medical treatment with a focus on compassion, care, and premiere cardiac services |
512 |
| 42 |
Agraceagrace.org
A nationally recognized nonprofit providing hospice care, supportive services, adult day care, senior care, and grief support in southern Wisconsin |
498 |
| 43 |
Memorial Medical Centermarshfieldclinic.org
A healthcare provider focused on delivering exceptional care, education, and prevention, prioritizing respect, optimism, care, competence, integrity, and teamwork for the community's well-being |
495 |
| 44 |
BayCare Clinicbaycareclinic.com
A physician-owned specialty-care clinic in northeastern Wisconsin & Michigan providing high-quality medical services with a focus on independent practice |
460 |
| 45 |
Tamarack Health Ashland Medical Centertamarackhealth.org
A Critical Access Hospital offering a wide range of inpatient and outpatient medical services, including surgeries, diagnostics, rehabilitation, and behavioral health care |
459 |
| 46 |
QuadMedquadmedical.com
This company helps employees reach their highest potential in both their professional and personal lives |
451 |
| 47 |
ACL Laboratoriesacllaboratories.com
A clinical laboratory providing testing services for hospitals, medical groups, clinics, and physician offices, performing over 26 million tests annually |
450 |
| 48 |
Inclusa, Inc.inclusa.org
A values-based organization providing person-centered long-term care services to over 15,500 members in Wisconsin, focusing on community, dignity, and inclusivity |
443 |
| 49 |
Oak Park Placeoakparkplace.com
Oak Park® Place offers innovative senior living options with amenities and services designed to support a carefree, independent lifestyle for residents |
441 |
| 50 |
HSHS Sacred Heart Hospital Eau Clairehshs.org
A Christian regional health center in western Wisconsin, delivering high quality, compassionate care with core values of Respect, Care, Competence, and Joy |
438 |
| 51 |
Dove Healthcaredovehealthcare.com
A local healthcare company with skilled nursing, rehabilitation facilities, assisted living residences, and a rehabilitation company, providing compassionate care and service |
438 |
| 52 |
North Central Health Carenorcen.org
Specializing in diverse care services including mental health, addiction therapy, developmental disability care, aquatic physical therapy, and top-rated nursing home services |
427 |
| 53 |
Oakwood Villageoakwoodvillage.net
The company provides a supportive community for adults 55 and older in Madison, Wisconsin, promoting growth, happiness, health, and security |
427 |
| 54 |
Vivent Healthviventhealth.org
A leader in HIV care and treatment for over 30 years, now known as Vivent Health, dedicated to helping people and communities thrive |
426 |
| 55 |
Sauk Prairie Healthcaresaukprairiehealthcare.org
A not-for-profit healthcare organization in Wisconsin offering acute care, surgical specialties, primary care clinics, and wellness services with a focus on excellence in patient care |
408 |
| 56 |
Our House Senior Livingourhousesl.com
Provider of Assisted Care, Memory Care, and Senior Apartments in Wisconsin and Minnesota, promoting social interaction and fostering a family-like environment for seniors |
402 |
| 57 |
Froedtert Holy Family Memorialhfmhealth.org
A leading provider of comprehensive healthcare services rooted in the healing ministry of Jesus Christ, dedicated to helping communities achieve healthier lives |
394 |
| 58 |
University of Wisconsin Medical Foundationuwhealth.org
Clinical practice organization for faculty physicians at UW School of Medicine, providing sites, staff, and services to support patient care, education, and research in Wisconsin |
393 |
| 59 |
North Shore Healthnshorehc.com
Provider of long-term and short-term healthcare services including skilled nursing care, rehabilitation, and assisted living facilities in Wisconsin, Minnesota, and North Dakota |
392 |
| 60 |
Horizon Home Care & Hospicehorizonhomecareandhospice.org
A compassionate home care and hospice provider offering a wide range of services to make a loving difference in patients' lives |
389 |
| 61 |
Rennes Grouprennesgroup.com
The Rennes Group provides quality and personalized care through a variety of services including independent living, assisted living, memory care, and skilled nursing facilities |
386 |
| 62 |
Golden Yearsgoldenyearswi.com
A family-owned senior living provider with locations in Walworth and Lake Geneva, offering independent living, assisted living, skilled nursing, and rehab services |
374 |
| 63 |
Watertown Regional Medical Centerwatertownregional.com
A regional medical center offering personalized healthcare services with state-of-the-art facilities, advanced technology, and a focus on local primary and specialty care |
373 |
| 64 |
Lakeland Carelakelandcareinc.com
A Wisconsin-based organization providing long-term care services to frail elders and individuals with disabilities through Wisconsin's Family Care program |
367 |
| 65 |
Divine Savior Healthcaredshealthcare.com
A healthcare organization providing exceptional care, inpatient and emergency services, diagnostic and surgical procedures, and state-of-the-art medical treatments since 1917 |
321 |
| 66 |
Marshfield Medical Center-Beaver Dammarshfieldclinic.org
Health system providing comprehensive healthcare services including primary care, specialty care, surgery, oncology, emergency services, rehabilitation, and more to Wisconsin residents |
308 |
| 67 |
Southwest Healthsouthwesthealth.org
A company in southwest Wisconsin focused on creating a healthier community through personal care, investments in technology, and a values-driven work environment |
290 |
| 68 |
Bay Area Medical Centeraurorahealthcare.org
A not-for-profit health care provider offering comprehensive services in Wisconsin and Illinois, with a focus on innovation and quality care |
273 |
| 69 |
Clarity Care, Inc.claritycare.org
Provider of services for individuals with varying abilities in northeast and central Wisconsin since 1972, promoting independence and fulfilling lives |
266 |
| 70 |
Home Care Medical, Inchomecaremedical.com
Providing enteral nutrition, respiratory care, home medical equipment, bracing, and compression garments in Southeastern Wisconsin since 1974 Award-winning and accredited Enhancing lives |
261 |
| 71 |
Wisconsin Diagnostic Laboratorieswisconsindiagnostic.com
A full service clinical laboratory based in Milwaukee, serving physicians and patients in the Midwest region with a wide range of diagnostic services |
221 |
| 72 |
Noble Community Clinicsnobleclinics.org
A healthcare provider offering quality, compassionate, and accessible primary and preventative services to ensure well-being and improve health access for all |
190 |
| 73 |
Aurora Sinai Medical Centeraurorahealthcare.org
Healthcare provider in downtown Milwaukee offering comprehensive services with expert doctors in a healing-focused atmosphere promoting overall well-being |
185 |
| 74 |
The Richland Hospital and Clinicsrichlandhospital.com
A rural hospital in Southwest Wisconsin providing compassionate medical care, operating rural health clinics and related organizations to support community healthcare needs |
185 |
| 75 |
Christian Servants Home Care, LLCchristianservantshomecare.com
Family-founded home care provider prioritizing love and care over profits Committed to making life enjoyable for clients through dedicated service |
185 |
| 76 |
Access Community Health Centersaccesscommunityhealthcenters.org
Access Community Health Centers provides medical, dental, behavioral health care, and pharmacy services to patients facing barriers to affordable, high-quality care |
181 |
| 77 |
Madison Medical Affiliatesmadisonmedical.com
Independent medical practice in downtown Milwaukee, WI, with 50+ board certified physicians offering 11 specialties at multiple locations, recognized for excellence by patients and peers |
180 |
| 78 |
Eagle Crest Communitieseaglecrestlife.org
A leading provider of senior care in Western Wisconsin, offering a range of services including independent living, memory care, and skilled nursing |
177 |
| 79 |
Kinex Medical Company, LLCkinexmedical.com
An orthopedic specialty medical equipment company providing DME and Orthotics for rehabilitation, ensuring quick recovery and excellent patient care |
171 |
| 80 |
Three Pillars Senior Living Communitiesthreepillars.org
A mission-driven, not-for-profit organization providing quality lifestyle services for families and residents, reinvesting proceeds for resident satisfaction and staff well-being |
170 |
| 81 |
TOMAH VA MEDICAL CENTERva.gov
A Department of Veteran Affairs medical campus in Tomah, Wisconsin providing healthcare services to veterans in the US |
170 |
| 82 |
Milwaukee Catholic Hometrinityseniorservices.org
A nonprofit providing care and services for older adults in Southeast Wisconsin through whole person wellness in various settings |
167 |
| 83 |
Westfields Hospital & Clinichealthpartners.com
Full-service medical campus offering emergency services, primary and specialty care clinics, pharmacy, inpatient and outpatient care, and maternity care as part of HealthPartners |
166 |
| 84 |
Foxconn Health Technology Business Groupdcihealthtech.com
The company focuses on developing precision bio-analytical instruments, health networking platforms, and personalized smart health management solutions globally |
165 |
| 85 |
HSHS St. Joseph's Hospital - Chippewa Fallshshs.org
A 193-bed hospital in Chippewa Falls, WI offering compassionate healthcare services with modern facilities and a focus on patient care and well-being |
164 |
| 86 |
UW Medical Foundationuwhealth.org
Leading medical practice group in Wisconsin, comprised of 1,785 clinical faculty physicians from UW School of Medicine and Public Health |
159 |
| 87 |
Greenfield Rehabilitation Agencygrawi.com
A leading therapist-owned rehab agency in the Midwest, providing high-quality rehabilitation services to senior living communities, nursing facilities, and home health agencies |
158 |
| 88 |
Hudson Physicianshudsonphysicians.com
Primary care clinic offering high quality healthcare services including primary care, sports/spine and occupational medicine, women's health, urgent care, and convenience care clinics |
155 |
| 89 |
Superior Health Linenshealthcarelinensg.com
Provider of healthcare linen services as a member of Healthcare Linen Services Group, ensuring quality and reliable linen supply to healthcare facilities |
154 |
| 90 |
St. Paul Elder Services, Inc.stpaulelders.org
A provider of specialized programs and facilities for aging individuals, offering rehabilitation, skilled nursing, assisted living, hospice care, memory care, and in-home services |
153 |
| 91 |
Flight For Lifeflightforlife.org
A non-profit organization providing flight transportation services to Wisconsin and northern Illinois for over 35 years Utilizes Air Methods for aviation services |
151 |
| 92 |
Attic Angelatticangel.org
A philanthropic organization that provides senior living services, supports children and seniors, raises funds through sales, and volunteers to enhance senior residents' lives |
149 |
| 93 |
VMP Healthcare & Community Livingvmpcares.com
A senior healthcare provider offering a full continuum of care including independent living, assisted living, memory care, skilled nursing, and rehabilitation services |
146 |
| 94 |
Caring Solutions and Health Innovationscaringsolutionsandhealthinnovations.com
Providing in-home care services to elderly and disabled individuals, including medication management, grooming care, respite care, and support for independent living |
6 |
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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.
More company lists in Wisconsin
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- Manufacturers in Wisconsin 119
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- Public sector organisations in Wisconsin 48
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The same list elsewhere in United States
- Hospitals and Health Care companies in the United States 5,419
- Hospitals and Health Care companies in California 519
- Hospitals and Health Care companies in Texas 410
- Hospitals and Health Care companies in New York State 392
- Hospitals and Health Care companies in Florida 346
- Hospitals and Health Care companies in Illinois 274
- Hospitals and Health Care companies in Pennsylvania 238
- Hospitals and Health Care companies in Massachusetts 193
- Hospitals and Health Care companies in Tennessee 189
- Hospitals and Health Care companies in Ohio 180
- Hospitals and Health Care companies in North Carolina 156
- Hospitals and Health Care companies in New Jersey 143
- Hospitals and Health Care companies in Georgia 142
- Hospitals and Health Care companies in Michigan 142
- Hospitals and Health Care companies in Virginia 120
- Hospitals and Health Care companies in Missouri 118
- Hospitals and Health Care companies in Minnesota 117
- Hospitals and Health Care companies in Indiana 116
- Hospitals and Health Care companies in Maryland 113
- Hospitals and Health Care companies in Colorado 111
- Hospitals and Health Care companies in Arizona 105
- Hospitals and Health Care companies in Washington State 104
- Hospitals and Health Care companies in New York 119
- Hospitals and Health Care companies in Chicago 96