| # | Company | Employees |
|---|---|---|
| 1 |
Oregon Health & Science Universityohsu.edu
Research and education focused on disease understanding, treatment innovations, and training future health professionals across various medical fields. |
17,535 |
| 2 |
Legacy Healthlegacyhealth.org
nonprofit organization providing primary, secondary, tertiary healthcare services across Portland, Vancouver metro, and mid-Willamette Valley areas |
8,230 |
| 3 |
Salem Healthsalemhealth.org
Not-for-profit health system operating hospitals and clinics, serving multiple counties with a focus on quality patient care and community well-being. |
3,153 |
| 4 |
Samaritan Health Servicessamhealth.org
A not-for-profit healthcare network offering innovative medicine and world-class quality to residents in the mid-Willamette Valley and Oregon Coast |
2,833 |
| 5 |
Asanteasante.org
A healthcare organization in Oregon and California, providing high-quality medical services with compassion through various facilities and partnerships in the region |
2,511 |
| 6 |
Avamereavamere.com
Skilled nursing and post acute care providers dedicated to seniors' health and well-being, offering a continuum of care to promote independence and activity |
1,695 |
| 7 |
St. Anthony Hospitalsahpendleton.org
A critical access hospital in Eastern Oregon dedicated to serving the healthcare needs of local communities |
1,115 |
| 8 |
Oregon State Hospitaloregon.gov
A psychiatric hospital in Oregon providing patient-centered care and treatment for adults with the goal of helping them recover and return to the community |
1,077 |
| 9 |
OCHIN, Inc.ochin.org
A nonprofit organization specializing in equitable health care innovation, clinical insights, and tailored technologies to improve access for underserved communities and healthcare systems nationwide |
1,062 |
| 10 |
Elmcroft Senior Living
Senior living communities across the United States offering care and services for elderly individuals from 2006 - 2021 |
998 |
| 11 |
Consonus Healthcareconsonushealth.com
Provider of contract rehab services, long-term care pharmacy, and home healthcare, dedicated to improving physical, mental, social, and spiritual health |
886 |
| 12 |
Kaiser Permanente Northwesthealthy.kaiserpermanente.org
A leading nonprofit health provider committed to affordable high-quality healthcare services, improving member and community health through care innovations and health education |
874 |
| 13 |
Willamette Dentalwillamettedental.com
A multi-specialty group dental practice providing evidence-based, preventive care without upselling, focusing on patient partnerships and innovative treatment outcomes |
855 |
| 14 |
The Springs Living, LLCthespringsliving.com
The company revolutionizes senior living through innovative design, amenities, and services in 20 communities across the Northwest |
833 |
| 15 |
Marquis Companiesmarquiscompanies.com
Family-owned senior living healthcare company providing person-centered care, post-acute rehab, assisted living, memory care, and more with a focus on employee development and leadership advancement |
829 |
| 16 |
The Oregon Clinicoregonclinic.com
A prominent specialty physician practice in Oregon with over 300 providers offering compassionate care in 30+ specialties across 60 clinic locations |
804 |
| 17 |
Sky Lakes Medical Centerlinktr.ee
Community-owned acute-care hospital providing inpatient, outpatient, specialty clinics, home health, cancer treatment, and family medicine services in Oregon and California. |
788 |
| 18 |
Community Care Partnersccpartners.com
A network of urgent care centers spanning across seven states, offering accessible healthcare services to individuals in need |
785 |
| 19 |
Bay Area Hospitalbayareahospital.org
A regional hospital in Coos Bay, Oregon, dedicated to improving community health with a focus on patient care, wellness, and employee benefits |
764 |
| 20 |
Adventist Health Portlandadventisthealth.org
A health care system with a medical center, clinics, and hospice services, focusing on whole-person care and inspired by a mission of love and hope |
724 |
| 21 |
Columbia Memorial Hospitalcolumbiamemorial.org
A full-service critical access hospital in northwest Oregon, providing compassionate healthcare and community leadership since 1880 |
714 |
| 22 |
Bonaventure Senior Livingbonaventuresenior.com
Bonaventure provides exceptional senior lifestyle through innovative communities, enriched services, and compassionate team members, focused on promoting dignity and independence |
682 |
| 23 |
US COAST GUARD
A hospital and health care company located in Portland, Oregon Specializes in serving the needs of the US Coast Guard |
663 |
| 24 |
Tuality Healthcaretuality.org
Healthcare provider in Hillsboro offering acute care services, health education classes, insurance plans, and urgent care clinics Partnered with OHSU for top-quality care |
653 |
| 25 |
Infinity Rehabinfinityrehab.com
Infinity Rehab provides occupational, physical, and speech therapy services in skilled nursing, assisted living, and independent living communities across 19 states |
611 |
| 26 |
Northwest Permanentenorthwest.permanente.org
Northwest Permanente, PC offers collaborative and innovative healthcare opportunities with a focus on excellent patient care, career growth, and competitive benefits |
600 |
| 27 |
New Horizons In-Home Carenhcares.com
A people-first company providing high wages, benefits, and training for caregivers to deliver comprehensive in-home care and companionship to clients |
591 |
| 28 |
Life Flight Networklifeflight.org
Premier air and ground ICU-level medical transport service in the Pacific Northwest, providing critical care transport supported by leading healthcare systems |
496 |
| 29 |
Hillsboro Medical Centertuality.org
A community-centered medical center with a century of history, providing world-class healthcare, specialty care, medical education, and research |
482 |
| 30 |
Oregon Medical Grouporegonmedicalgroup.com
Primary care based multi-specialty physician group with various specialty providers and ancillary services, dedicated to providing compassionate, patient-centered care for optimal health outcomes |
446 |
| 31 |
Virginia Garcia Memorial Health Centervirginiagarcia.org
Primary health care provider focusing on migrant farmworkers and underserved communities, offering multilingual, affordable, and comprehensive medical services. |
431 |
| 32 |
Adventist Health Columbia Gorgeadventisthealth.org
A comprehensive health system founded in 1901, focused on providing convenient access to healthcare through expansion, innovation, and community responsiveness |
401 |
| 33 |
MCKENZIE-WILLAMETTE MEDICAL CENTERmckweb.com
A 113-bed community hospital offering a range of medical services, including trauma care, cardiology, surgery, obstetrics, pediatrics, and rehabilitation Owned in part by physicians |
401 |
| 34 |
Grande Ronde Hospitalgrh.org
A not-for-profit Critical Access Hospital providing a wide range of healthcare services in Union County, Oregon, with a focus on quality, compassion, and community needs |
387 |
| 35 |
Generationsgenerationsllc.com
A holistic network of senior living communities focused on innovation, exceptional care, intergenerational interaction, healthy living, and creating a sense of home |
346 |
| 36 |
Good Shepherd Health Care Systemgshealth.org
A non-profit community health system offering acute care hospital services, emergency care, surgery, robotic surgery, imaging, lab services, clinics, and foundation support |
336 |
| 37 |
Willamette Valley Medical Centerwillamettevalleymedical.com
A 60-bed acute-care facility offering a wide range of medical services, including emergency care, joint replacements, intensive care, behavioral health, surgical services, and specialized treatments |
312 |
| 38 |
Metro West Ambulancemetrowest.us.com
Leading EMS provider in Oregon, Washington, and Northern California, offering advanced life support and medical transportation services with over 1,000 employees Serving over 600,000 residents |
225 |
| 39 |
BestMed | Urgent Care | Primary Carebestmedclinics.com
A leading provider of Urgent Care and Primary Care services in the Western United States, known for award-winning customer service and convenient clinic hours |
184 |
| 40 |
Adapt Integrated Health Careadaptoregon.org
Integrated rural health care agency in southwest Oregon offering high quality primary care, addictions treatment, behavioral health care, and prevention services to promote health and well-being |
184 |
| 41 |
Cascade Healthcascadehealth.org
Nonprofit health care organization offering occupational health, behavioral health, home health, and palliative care services to improve community members' well-being |
175 |
| 42 |
Surgeon Generalhhs.gov
A humble and honest specialist surgeon ready to travel the world to care for humanity, treating any type of illness |
175 |
| 43 |
Cedar Hills Hospitalcedarhillshospital.com
A mental health and chemical dependency facility near Portland offering evidence-based inpatient and outpatient programs, crisis stabilization, detox, therapy, and medication management |
169 |
| 44 |
Sapphire Health Services, LLCsapphirehealthservices.com
Regional health care provider serving Oregon and Washington, offering a range of medical services to communities in the area |
165 |
| 45 |
One Community Healthonecommunityhealth.org
A nonprofit organization in the Columbia River Gorge providing medical, dental, and behavioral health care with a focus on social justice and community partnership |
162 |
| 46 |
AllMed Healthcare Managementallmedmd.com
A utilization management and independent review organization providing nurse and physician review solutions to healthcare payers and plan designated organizations nationwide |
161 |
| 47 |
Aviva Healthaviva.health
A Federally Qualified Health Center providing medical, dental, and behavioral health services to uninsured and under-insured individuals in southern Oregon |
160 |
| 48 |
Rogue Community Healthroguecommunityhealth.bio.link
Non-profit organization providing healthcare services for all in Rogue Valley, regardless of insurance or financial status, for almost 50 years |
153 |
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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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- Financial services firms in Oregon 36
- Healthcare providers in Oregon 35
- Family-owned companies in Oregon 34
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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
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