| # | 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 |
Multnomah Countymultco.us
Provides diverse essential services including health, justice, roads, libraries, elections, and mental health, prioritizing resident needs and community quality of life. |
3,784 |
| 4 |
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 |
| 5 |
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 |
| 6 |
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 |
| 7 |
Pacific Universitypacificu.edu
A diverse university offering undergraduate, graduate, and professional programs in liberal arts, education, business, optometry, and health professions, with campuses in Oregon |
1,911 |
| 8 |
Oregon Health Authorityoregon.gov
The Oregon Health Authority strives to improve access to quality, affordable health care and promote well-being through innovation and inclusion |
1,805 |
| 9 |
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 |
| 10 |
Pacific Retirement Servicesprsliving.org
A not-for-profit organization managing CCRCs, retirement communities, charitable foundations, and affordable senior housing centers in multiple states, promoting health, wellness, and vitality for seniors |
1,331 |
| 11 |
Medical Teams Internationalmedicalteams.org
Providing basic but life-saving medical care to those in crisis, mobilizing staff and volunteers to save lives and improve community health |
1,194 |
| 12 |
Central City Concerncentralcityconcern.org
Non-profit organization in Portland supports individuals impacted by homelessness, poverty, and addiction with housing, healthcare, employment resources, and peer support for personal transformation and recovery |
1,182 |
| 13 |
St. Anthony Hospitalsahpendleton.org
A critical access hospital in Eastern Oregon dedicated to serving the healthcare needs of local communities |
1,115 |
| 14 |
Touchmarktouchmark.com
Touchmark offers award-winning retirement communities with diverse lifestyle options, top amenities, and care services, focusing on enriching lives with hospitality and compassion |
1,113 |
| 15 |
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 |
| 16 |
Elmcroft Senior Living
Senior living communities across the United States offering care and services for elderly individuals from 2006 - 2021 |
998 |
| 17 |
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 |
| 18 |
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 |
| 19 |
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 |
| 20 |
Cascadia Healthcascadiahealth.org
Integrated healthcare approach providing whole health care model for mental health, addiction services, primary care, and housing to promote well-being |
839 |
| 21 |
Lane County Governmentlanecountyor.gov
County government managing diverse landscapes including coastline, mountains, forests, urban centers, and rural communities in western Oregon. |
838 |
| 22 |
The Springs Living, LLCthespringsliving.com
The company revolutionizes senior living through innovative design, amenities, and services in 20 communities across the Northwest |
833 |
| 23 |
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 |
| 24 |
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 |
| 25 |
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 |
| 26 |
Community Care Partnersccpartners.com
A network of urgent care centers spanning across seven states, offering accessible healthcare services to individuals in need |
785 |
| 27 |
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 |
| 28 |
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 |
| 29 |
Columbia Memorial Hospitalcolumbiamemorial.org
A full-service critical access hospital in northwest Oregon, providing compassionate healthcare and community leadership since 1880 |
714 |
| 30 |
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 |
| 31 |
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 |
| 32 |
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 |
| 33 |
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 |
| 34 |
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 |
| 35 |
Multnomah Orthopedic Clinicmultnomahortho.com
A leading orthopedic clinic offering comprehensive care from expert physicians specializing in various areas including sports medicine, trauma care, and joint replacements |
11 |
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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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- Hospitals and Health Care companies in Oregon 48
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- Higher Education companies in Oregon 39
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- Public sector organisations in Oregon 37
- Financial services firms in Oregon 36
- Family-owned companies in Oregon 34
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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