| # | Company | Employees |
|---|---|---|
| 1 |
Krogerkroger.com
Operates thousands of grocery stores, manufacturing plants, and distribution centers to provide affordable fresh food, dairy, and meat products through retail and e-commerce. |
465,000 |
| 2 |
Cleveland Clinicmy.clevelandclinic.org
A not-for-profit academic medical center in Ohio, offering clinical care, research, and education with multiple facilities worldwide |
49,624 |
| 3 |
Bon Secours Mercy Healthbsmhealth.org
Operates 48 hospitals and thousands of providers across seven states and Ireland, focusing on quality, safety, and cost-effective healthcare delivery. |
32,495 |
| 4 |
The Ohio State Universityosu.edu
Large public university offering extensive research opportunities and multiple regional campuses, serving as a model for Ohio's higher education system. |
30,775 |
| 5 |
University Hospitalsuhhospitals.org
Integrated healthcare provider in northern Ohio, offering hospital services, outpatient facilities, physician offices, and leading research programs. |
20,700 |
| 6 |
University Hospitals Connor Integrative Health Networkuhhospitals.org
A healthcare provider offering integrative medicine therapies that address physical, emotional, mental, social, spiritual, and environmental factors for holistic healing and optimal health |
19,900 |
| 7 |
The Ohio State University Wexner Medical Centerwexnermedical.osu.edu
Academic medical center providing personalized patient care, medical education, research innovation, and extensive healthcare services across multiple specialties. |
15,993 |
| 8 |
OhioHealthohiohealth.com
A nationally recognized, not-for-profit health system with 14 hospitals and 200+ care sites, focused on improving health and wellbeing |
15,284 |
| 9 |
Mercy Healthmercy.com
Provides compassionate, high-quality healthcare across Ohio and Kentucky with a large network of employees and numerous care points. |
14,380 |
| 10 |
Nationwide Children's Hospitalnationwidechildrens.org
Provides advanced pediatric medical care, conducts leading research, trains specialists, and offers specialized programs in heart, cancer, and neonatology. |
12,575 |
| 11 |
ProMedicapromedica.org
A not-for-profit health organization offering acute and ambulatory care, insurance, post-acute services, academic programs, and various healthcare facilities and services |
9,864 |
| 12 |
Kettering Healthketteringhealth.org
A faith-based healthcare system providing medical care, outpatient services, and health science education through dedicated providers and medical professionals |
8,249 |
| 13 |
HCR ManorCarearden-courts.com
A not-for-profit integrated healthcare organization providing short-term, long-term care, memory care, home health, hospice services, with a focus on improving health and well-being |
7,697 |
| 14 |
TriHealthtrihealth.com
A comprehensive healthcare provider offering a full range of services, including prevention, wellness, education, and acute care through multiple locations in Cincinnati |
7,070 |
| 15 |
The University of Toledoutoledo.edu
A state university in Ohio established in 1872, offering various accredited programs and research opportunities to students |
6,836 |
| 16 |
LensCrafterslenscrafters.com
Provides optical care, pairing technology with a personal approach, centered around sight, ensuring quality experience for patients and customers, part of EssilorLuxottica. |
6,536 |
| 17 |
UC Healthuchealth.com
Top clinicians and researchers providing world-class, compassionate healthcare through advanced clinical services, teaching, innovation, and research in Cincinnati. |
6,134 |
| 18 |
Summa Healthsummahealth.org
Integrated healthcare system in Ohio with hospitals, health centers, health plan, research, and foundations, known for patient care excellence and innovative approaches |
5,630 |
| 19 |
US Acute Care Solutionsusacs.com
A national leader in physician-owned integrated acute care services, providing high-quality care to millions of patients annually at over 500 programs |
5,376 |
| 20 |
The MetroHealth System (Cleveland, OH)metrohealth.org
Healthcare system focusing on community health by addressing social determinants, providing integrated care, and emphasizing disease prevention alongside treatment |
5,352 |
| 21 |
The Christ Hospital Health Networkthechristhospital.com
Regional healthcare system providing integrated, individualized care through extensive physician network, advanced specialties, and patient-focused wellness services in Cincinnati. |
5,300 |
| 22 |
Akron Children'sakronchildrens.org
Largest pediatric healthcare system in Northern Ohio providing compassionate, high-quality care through hospitals, regional centers, and specialty locations. |
5,264 |
| 23 |
Premier Health Partnerspremierhealth.com
Regional healthcare system offering hospital care, emergency services, outpatient clinics, home health, mental health, and substance abuse treatment in Southwest Ohio. |
4,992 |
| 24 |
Omnicare, a CVS Health companyomnicare.com
Provider of pharmaceutical services to long-term care facilities, leveraging clinical expertise and innovative technology to support patients, residents, and biopharmaceutical industry |
4,989 |
| 25 |
Mount Carmel Health Systemmountcarmelhealth.com
Four hospitals, emergency centers, surgery centers, outpatient facilities, physician offices, and community outreach providing personalized, people-centered healthcare in central Ohio. |
4,778 |
| 26 |
Aultman Health Foundationaultman.org
Leading provider of healthcare services in Stark County since 1892, offering high-quality care, educational opportunities, wellness programs, and community support |
3,276 |
| 27 |
Home Helpers Home Carehomehelpershomecare.com
Providing comprehensive in-home care services for seniors and those in need, including companion care, personal care, and Alzheimer's and dementia care |
3,135 |
| 28 |
Cleveland Clinic Akron Generalmy.clevelandclinic.org
A nonprofit healthcare organization providing medical, rehabilitation, wellness, and community health services ranked as one of the top hospitals in Ohio |
2,783 |
| 29 |
Dayton Children's Hospitalchildrensdayton.org
Specialized pediatric hospital providing children in a 20-county area with comprehensive medical care through a dedicated team of physicians and staff |
2,751 |
| 30 |
Miami Valley Hospitalpremierhealth.com
A leading regional healthcare provider offering maternity, emergency, air ambulance services, transplant units, oncology, cardiology, rehabilitation, and surgical services Visit website for more information |
2,637 |
| 31 |
CommuniCare Health Servicescommunicarehealth.com
Provider of nursing, rehabilitation, and assisted living services in multiple states, focusing on creating caring communities where residents are treated like family |
2,493 |
| 32 |
Adena Health Systemadena.org
Healthcare organization in Ohio providing a wide range of specialty services with a focus on compassion, integrity, and excellence in caring for communities |
2,159 |
| 33 |
Saber Healthcare Groupsaberhealth.com
Skilled nursing and rehabilitation services provider focused on delivering individualized care, innovative healthcare technology, and compassionate professionals across multiple states |
2,131 |
| 34 |
Genesis Healthcare Systemgenesishcs.org
Integrated healthcare delivery system in Southeastern Ohio offering not-for-profit hospital services, specialized centers, physician network, and various outpatient care centers and affiliates |
2,059 |
| 35 |
MedVetmedvet.com
Specialty and emergency hospital network providing exceptional care for pets, supporting families, veterinarians, and team members with compassion and expertise |
2,032 |
| 36 |
FirstLight Home Carefirstlighthomecare.com
The company provides compassionate and personalized caregiving services to support individuals in various situations with tasks, companionship, and emotional support |
1,986 |
| 37 |
Ohio State University Comprehensive Cancer Center-James Cancer Hospital & Solove Research Institutecancer.osu.edu
Leading cancer research center and hospital focused on integrating research, education, and patient care to advance prevention, detection, and treatment Ranked among top in the nation |
1,970 |
| 38 |
Blanchard Valley Health Systembvhealthsystem.org
A comprehensive health system in northwest Ohio offering a full continuum of care, employing over 3,000 associates and serving an eight county area |
1,658 |
| 39 |
National Church Residencesnationalchurchresidences.org
The company provides housing and healthcare services for seniors, offering affordable housing, community-based services, and support for the homeless and disabled |
1,615 |
| 40 |
Southwest General Health Centerswgeneral.com
A non-profit hospital offering a wide range of medical services, state-of-the-art technology, and support programs with a commitment to excellence and compassion |
1,402 |
| 41 |
Southern Ohio Medical Centersomc.org
A 248-bed hospital in Portsmouth, Ohio, providing emergency, surgical, and a wide range of healthcare services with a focus on safety, quality, and customer service |
1,294 |
| 42 |
Licking Memorial Health Systemslmhealth.org
A not-for-profit healthcare organization offering a range of quality patient care services, specialized medical services, and fundraising for future medical care improvement |
1,276 |
| 43 |
University of Cincinnati College of Medicinejobs.uc.edu
The company provides medical education programs, conducts research, and offers clinical care through its faculty practice group |
1,197 |
| 44 |
Holzer Health Systemholzer.org
A healthcare system with a rich history, providing comprehensive services and advanced technology in south central Ohio, West Virginia, and Kentucky |
1,191 |
| 45 |
Fairfield Medical Centerfmchealth.org
A vibrant healthcare organization providing exceptional care, dedicated to creating a positive impact on the community through personal growth and unparalleled employee support |
1,187 |
| 46 |
Otterbein SeniorLifeotterbein.org
With over 100 years of experience, we provide a range of senior living services guided by values such as respect, commitment, and quality |
1,154 |
| 47 |
CORA Physical Therapycareers.coraphysicaltherapy.com
Providing outpatient physical rehabilitation services with transparent communication and ethical practices to ensure excellent care for patients and employees |
1,151 |
| 48 |
Northeast Ohio Medical University (NEOMED)neomed.edu
Specializing in interprofessional training, the company prepares future healthcare leaders, educates aspiring physicians, and shares the NEOMED journey through various initiatives |
1,117 |
| 49 |
Firelands Healthfirelands.com
A comprehensive healthcare provider offering a 287-bed medical center, behavioral health services, rehabilitation, and a physician group |
1,092 |
| 50 |
Avita Health Systemavitahealth.org
A nonprofit health care system in North Central Ohio with hospitals, clinics, and providers dedicated to improving patient experience and community wellbeing |
1,066 |
| 51 |
BrightViewbrightviewhealth.com
Outpatient addiction medicine practice offering medication-assisted treatment, psychological, and social services to bring life-changing recovery to communities with values of Respect, Inspiration, Service, and Excellence |
989 |
| 52 |
Legacy Health Serviceslhshealth.com
Established provider of high-quality care with experienced professionals in Ohio, offering a range of facilities and services for over fifty years Contact for more information |
962 |
| 53 |
Trinity Health Systemtrinityhealth.com
A healthcare system committed to improving health, advancing social justice, and providing comprehensive services to the community with compassion and excellence |
956 |
| 54 |
The Little Clinickrogerfamilycareers.com
Retail healthcare company offering high quality, affordable care by board-certified practitioners for minor illnesses without the need for appointments, open 7 days a week |
943 |
| 55 |
Lake Healthuhhospitals.org
Healthcare provider in Northeast Ohio now part of a larger health system with numerous hospitals, health centers, and physician offices |
927 |
| 56 |
Heartland Hospice Servicesgentivahs.com
Heartland Hospice Services provides hospital and health care services in Lima, Ohio, focusing on compassionate end-of-life care for patients |
922 |
| 57 |
Lima Memorial Health Systemlimamemorial.org
A leading health care system in west central Ohio offering a wide range of high-quality medical services and specialized care |
889 |
| 58 |
Ohio Livingohioliving.org
A leading not-for-profit organization providing senior living, healthcare, hospice, and charitable services to over 10 million Ohio residents |
884 |
| 59 |
ViaQuest, Inc.ViaQuestInc.com
Providing compassionate care and support for individuals with life-limiting illnesses, developmental disabilities, and behavioral health needs to improve quality of life |
854 |
| 60 |
Central Ohio Primary Carecopcp.com
A leading primary care provider in Central Ohio, focused on offering the best patient care through innovative practices and services |
844 |
| 61 |
Talbert Housetalberthouse.org
A nonprofit network in southwest Ohio offering prevention, assessment, treatment, and reintegration services for children, adults, and families to empower healthy, productive lives |
834 |
| 62 |
Life Line Screeninglifelinescreening.com
The organization is the largest mobile preventive health provider, offering screenings for various health risks and partnering with businesses for healthcare advancements |
762 |
| 63 |
Mercy Medical Center, Canton, Ohiocantonmercy.org
Faith-based medical center with 476-bed hospital and multiple outpatient locations, part of Cleveland Clinic health system, with strong safety ratings |
744 |
| 64 |
Mercy Health (Youngstown)mercy.com
Integrated health system in Ohio's Mahoning Valley, offering nationally ranked care across physician offices, hospitals, home care, long-term care, and hospice services |
737 |
| 65 |
I Am Boundlessiamboundless.org
The company provides person-centered care for individuals with intellectual and developmental disabilities and behavioral health challenges, empowering them to live boundless lives |
716 |
| 66 |
Knox Community Hospitalkch.org
A not-for-profit hospital in Mount Vernon, Ohio, committed to improving patient service, technology, and facilities for the community's benefit |
710 |
| 67 |
Alternate Solutions Health Networkashealthnet.com
Specializing in post-acute care solutions, we partner with health systems to improve quality outcomes and financial performance through centralized operations and innovative software |
710 |
| 68 |
Signature Health, Inc.signaturehealthinc.org
A Federally Qualified Health Center providing mental health, addiction recovery, primary care, pharmacy, and lab services to patients of all ages in Northeast Ohio |
707 |
| 69 |
Carespring Health Care Managementcarespring.com
The company provides professional, personal, and positive nursing care through experienced therapists and compassionate caregivers, focusing on individualized treatment plans for positive outcomes |
684 |
| 70 |
Hospice of the Western Reservehospicewr.org
Provider of hospice and palliative care services, along with bereavement support, throughout Northern Ohio regardless of ability to pay |
679 |
| 71 |
Health Allianceuchealth.com
UC Health provides world-class medical care in Cincinnati, backed by top clinicians and researchers from the University of Cincinnati College of Medicine |
672 |
| 72 |
The Toledo Clinictoledoclinic.com
A large multi-specialty physician group in Toledo offering a wide range of medical services including radiology, laboratory, pharmacy, and outpatient surgery |
668 |
| 73 |
Arden Courtsarden-courts.com
Specialized memory care that focuses on providing a safe and nurturing environment, tailored to meet the physical, mental, and social needs of individuals with Alzheimer's or dementia |
662 |
| 74 |
Fisher-Titus Medical Centerfishertitus.org
An independent not-for-profit community health system in Ohio, providing high-quality medical care, digital technology, and personalized services to residents |
656 |
| 75 |
Altercare Integrated Health Servicesaltercareonline.com
A family-owned healthcare company providing rehabilitation, post-acute care, assisted living, and Alzheimer's/dementia care services with a focus on quality and dedication |
655 |
| 76 |
Fairview Hospitalmy.clevelandclinic.org
Faith-based community hospital with 517 beds, offering comprehensive healthcare services including Level II Trauma Center, Cancer Center, Heart Center, and Surgery |
647 |
| 77 |
Western Reserve Hospitalwesternreservehospital.org
Physician-owned hospital in Northeast Ohio offering high quality healthcare services, empowering physicians to drive delivery and prioritize patient satisfaction |
617 |
| 78 |
LucidHealthlucidhealth.com
A clinically integrated network of radiology practices focused on empowering radiologists and clinicians to provide high-quality care for patients |
611 |
| 79 |
The Centerslinktr.ee
Provider of integrated health and wellness services, family support programs, and innovative 2Gen approach to create educational success and economic prosperity in Northeast Ohio |
610 |
| 80 |
Rainbow Babies and Children's Hospitaluhhospitals.org
Specialized hospital focused on providing healthcare services to babies and children, with a commitment to excellence and compassionate care |
606 |
| 81 |
UToledo Healthhealth.utoledo.edu
public research university providing diverse services, flexible work schedules, professional growth opportunities, and a healthy work-life balance |
602 |
| 82 |
St Ritas Medical Center
A hospital and health care company located in Delphos, Ohio, providing medical services and care to patients in the United States |
588 |
| 83 |
Hospice of Northwest Ohiohospicenwo.org
The company provides specialized hospice care for terminally ill patients and their families in Northwest Ohio and Southeast Michigan |
586 |
| 84 |
Orthopedic ONEorthopedicone.com
A leading orthopedic surgery practice in Ohio with 60 experts offering comprehensive care, advanced diagnostics, surgery, and rehabilitation at multiple convenient locations |
585 |
| 85 |
Community Blood Centersolvita.org
The company collects blood from volunteer donors to meet patient transfusion needs and distributes blood products and tissue to hospitals |
340 |
| 86 |
Hoxworth Blood Centerhoxworth.org
A nonprofit blood center serving hospitals in 18 counties by collecting over 90,000 units of blood annually to save lives |
229 |
| 87 |
Fayette County Memorial Hospitalfcmh.org
A community-based non-profit hospital providing advanced healthcare services and managed in partnership with Mount Carmel Health System |
164 |
| 88 |
Psychology Consultants Inc.psychologyconsultantsinc.com
Providing mental health services to residents in various care facilities and private practice patients, with a focus on quality and professionalism |
22 |
| 89 |
Ohio Pharmacy Counseling Services, Ltdopcsltd.com
Provider of MTM Services through tele-medicine counseling, focusing on patient engagement and pharmacy branding with technology applications, at no cost to pharmacy |
7 |
| 90 |
Velle Dentalvelledental.com
A dental care company providing personalized, high-touch services to improve clients' oral health, confidence, and smiles through scientifically supported techniques |
5 |
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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 Ohio
- The largest companies in Ohio 2,618
- Manufacturers in Ohio 197
- Hospitals and Health Care companies in Ohio 180
- Retail chains in Ohio 156
- Financial services firms in Ohio 114
- Education providers in Ohio 112
- Higher Education companies in Ohio 109
- IT Services and IT Consulting companies in Ohio 109
- Critical infrastructure operators in Ohio 105
- Machinery Manufacturing companies in Ohio 94
- Construction companies in Ohio 89
- Contract manufacturers in Ohio 88
- Financial Services companies in Ohio 83
- Motor Vehicle Manufacturing companies in Ohio 81
- Family-owned companies in Ohio 81
- Hardware manufacturers in Ohio 76
- Retail companies in Ohio 73
- Insurance companies in Ohio 72
- Public sector organisations in Ohio 70
- Real Estate companies in Ohio 67
- Manufacturing companies in Ohio 66
- Education Administration Programs companies in Ohio 64
- SaaS companies in Ohio 64
- Automotive manufacturers and suppliers in Ohio 58
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 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 Kentucky 49
- Healthcare providers in New York 95