| # | Company | Employees |
|---|---|---|
| 1 |
University of Washingtonwashington.edu
Public research university offering diverse educational programs, extensive campuses, cultural activities, and high-quality medical care, engaging with communities. |
32,106 |
| 2 |
Providence Health & Servicesprovidence.org
A healthcare organization focused on providing compassionate care through a network of hospitals, clinics, and services across multiple states |
20,360 |
| 3 |
MultiCare Health Systemjobs.multicare.org
Largest community-based health system in Washington with 13 hospitals, 300+ care locations, serving Pacific Northwest with dedicated healthcare professionals. |
12,817 |
| 4 |
Banfield Pet Hospitalbanfield.com
Providing high-quality preventive veterinary care and wellness plans to millions of pets across multiple locations in the United States and beyond. |
11,294 |
| 5 |
PeaceHealthpeacehealth.org
A not-for-profit Catholic health system with 16,000 caregivers, 900 providers, and 10 medical centers serving Washington, Oregon, and Alaska communities |
9,229 |
| 6 |
Seattle Children'sseattlechildrens.org
Providing compassionate pediatric care, conducting breakthrough research, and supporting families to ensure children receive hope, care, and cures. |
8,756 |
| 7 |
Swedishprovidence.org
A powerful network of skilled physicians, care centers, research and treatments offering world-class care in the Puget Sound region |
8,501 |
| 8 |
Washington State Department of Social and Health Servicesdshs.wa.gov
Transforming lives of Washington State's vulnerable residents through innovative social services, partnerships, and government relationships Services include healthcare, support, and assistance |
6,674 |
| 9 |
Fred Hutchfredhutch.org
Nonprofit organization specializing in cancer research and treatment, collaborating with UW Medicine to provide comprehensive cancer care services. |
6,180 |
| 10 |
Virginia Mason Franciscan Healthvmfh.org
Integrated health system in Washington state with 11 hospitals and nearly 300 sites, providing high-quality care through a team of 18,000 staff and 5,000 physicians |
5,999 |
| 11 |
Group Healthghc.org
Healthcare provider serving over 11 million members in eight states and DC, including 651,000 from Group Health Cooperative in Washington |
4,556 |
| 12 |
UW Medicineuwmedicine.org
Integrated health system combining clinical care, research, and education to provide specialized and primary healthcare across multiple states. |
4,344 |
| 13 |
Harborview Medical Centeruwmedicine.org
Founded in 1877 as a six-bed hospital, now a leading academic medical center overlooking Puget Sound offering advanced medical care |
3,757 |
| 14 |
EvergreenHealthevergreenhealth.com
A community-owned health care system offering comprehensive services, personalized care, and community outreach funded by the local community |
3,333 |
| 15 |
University of Washington Medical Centeruwmedicine.org
A healthcare facility providing innovative, high-quality patient care with expanded services in oncology, radiology, and Neonatal Intensive Care |
3,167 |
| 16 |
Valley Medical Centervalleymed.org
A nonprofit healthcare provider offering a wide range of medical services including emergency care, specialty clinics, and skilled clinicians in Washington |
2,830 |
| 17 |
Mars Veterinary Healthmarsveterinary.com
A global division committed to providing high-quality veterinary care and diagnostics for pets, aiming to create a better world for pets and their caregivers |
2,816 |
| 18 |
Overlake Medical Center & Clinicsoverlakehospital.org
A nonprofit regional medical center offering advanced healthcare services with a focus on superb clinical care and a healing environment |
2,526 |
| 19 |
Genoa Healthcaregenoahealthcare.com
A leading provider of behavioral health pharmacy services dedicated to improving the quality of life for individuals with complex health conditions |
2,342 |
| 20 |
Catholic Community Services of Western Washingtonccsww.org
The organization provides a wide range of social services including housing, mental health, addiction recovery, family support, youth services, and elder care for vulnerable populations |
2,270 |
| 21 |
Confluence Healthconfluencehealth.org
Integrated rural healthcare system providing hospital, multi-specialty, and primary care services across North Central Washington communities with local focus. |
2,201 |
| 22 |
Emeritusbrookdale.com
Providing senior living solutions and enriching lives through comfortable environments, nutritious meals, stimulating activities, and compassionate care, now part of Brookdaleยฎ Senior Living family |
1,822 |
| 23 |
CHI Franciscan Healthvmfh.org
The company focuses on creating personalized and convenient healthcare experiences through a combination of people, capabilities, and technology |
1,820 |
| 24 |
Kadlecprovidence.org
Integrated regional health care system providing highest quality care to half a million people in Southeastern Washington and Northeastern Oregon Part of Providence St Joseph Health system |
1,810 |
| 25 |
Madigan Army Medical Centermadigan.tricare.mil
A network of Army medical facilities providing comprehensive medical services to active duty service members, families, and retirees, with a focus on quality care, education, research, and community engagement |
1,407 |
| 26 |
St John WAstjohnwa.com.au
A charitable organization providing high-quality first aid services in Western Australia for over 130 years, through career paramedics and volunteer services |
1,378 |
| 27 |
Ro Healthrohealth.com
A healthcare staffing agency prioritizing provider and client needs with innovative technology for efficient and quality patient care solutions |
1,354 |
| 28 |
Northwest Hospital & Medical Centeruwmedicine.org
A nonprofit community hospital offering comprehensive medical services, pioneering treatments, specialized cancer care, award-winning neurosciences programs, emergency services, and community health education |
1,300 |
| 29 |
Aegis Livingaegisliving.com
A leader in senior assisted living and memory care, known for innovative programming, upscale design, and employee-centric culture across multiple states |
1,231 |
| 30 |
Vancouver Clinictvc.org
Delivering compassionate healthcare for over 90 years, focusing on personalized patient care through face-to-face interactions and genuine human connections |
1,220 |
| 31 |
The Everett Clinicoptum.com
A nationally-recognized physician group providing high-quality healthcare services across 30 care sites, offering a range of medical specialties and services |
1,207 |
| 32 |
Prestige Careprestigecare.com
Provider of senior living and skilled nursing care across 8 Western states Founded in 1985, focused on delivering quality care with compassion and respect |
1,175 |
| 33 |
Sea Mar Community Health Centersseamar.org
A community-based organization providing quality health, housing, educational, and cultural services to diverse communities in Washington state |
1,174 |
| 34 |
Sono Bellosonobello.com
A leading cosmetic surgery practice with over 100 locations in the US, specializing in total body transformation with advanced micro-laser liposuction procedures |
1,031 |
| 35 |
Yakima Valley Farm Workers Clinicyvfwc.com
A nonprofit organization providing comprehensive medical, dental, social, and behavioral health services to diverse communities in Washington and Oregon |
965 |
| 36 |
US DEPT. OF VETERANS AFFAIRSdva.wa.gov
A medical practice company located in Walla Walla, WA, providing services for veterans and their families in the United States |
953 |
| 37 |
The Polyclinicoptum.com
A leading independent multi-specialty clinic in the Puget Sound area, providing high-quality, personalized care with over 170 physicians |
942 |
| 38 |
Bloodworks Northwestbloodworksnw.org
Nonprofit organization advancing transfusion medicine, patient care, and research in the Pacific Northwest through blood donations and tissue support |
926 |
| 39 |
Proliance Surgeonsproliancesurgeons.com
A team of experienced specialists and surgeons offering advanced medical care in various fields such as Orthopedics, ENT, general surgery, and OB/GYN |
921 |
| 40 |
Skagit Regional Healthskagitregionalhealth.org
Healthcare leader in northwest Washington offering advanced technology, high quality care across two hospitals and a network of clinics, emphasizing patient-centered, compassionate healthcare services |
889 |
| 41 |
Soundsound.health
A provider of mental health and addiction services in King County, promoting client engagement, improved outcomes, and community well-being |
883 |
| 42 |
Public Health โ Seattle & King Countykingcounty.gov
Hospital & health care company located in Seattle, WA, focusing on public health initiatives and services for the community |
873 |
| 43 |
Compass Healthcompasshealth.org
Championing well-being and advancing behavioral health in five Washington counties through innovative mental health services for adults, children, and families |
869 |
| 44 |
The Doctors Clinicthedoctorsclinic.com
A multi-specialty, physician-owned medical group with seven clinic locations in Kitsap County, providing personalized and compassionate care for over 70 years |
837 |
| 45 |
The Tulalip Tribesemployment.tulaliptribes-nsn.gov
A sovereign tribal entity providing a variety of government services to its community, funded mostly internally, with a population of over 4,800 |
805 |
| 46 |
Family Resource Home Carefamilyresourcehomecare.com
Provider of home care services in the Pacific Northwest and United States, focused on empowering older adults to live at home with personalized care including personal assistance and companionship |
800 |
| 47 |
HealthPoint (CHC)healthpointchc.org
A community-based network of health centers providing high-quality care to all regardless of income, insurance, or circumstances in King County, Washington |
789 |
| 48 |
Seattle Cancer Care Alliancefredhutch.org
merger of Fred Hutchinson Cancer Research Center and Seattle Cancer Care Alliance into Fred Hutchinson Cancer Center for cancer research and care |
782 |
| 49 |
Olympic Medical Centerolympicmedical.org
The company offers healthcare excellence, competitive salaries, benefits, and relocation assistance in the Pacific Northwest, promising a work-play paradise for employees |
761 |
| 50 |
Harrison Medical Centercommonspirit.org
A not-for-profit health system in Kitsap County offering medical, surgical, and emergency services with a focus on exceptional care and service quality |
755 |
| 51 |
Hawthorn Senior Livingseniorlivinginstyle.com
This company provides exceptional care and services for seniors in independent and assisted living communities, prioritizing resident satisfaction and offering management and sales opportunities |
734 |
| 52 |
CHAS Healthchas.org
Healthcare provider offering medical, dental, behavioral health, and pharmacy services, prioritizing quality care, social responsibility, and patient-centered practices in the community |
728 |
| 53 |
Pacific Medical Centerspacificmedicalcenters.org
Private, not-for-profit health care network in Puget Sound with 9 clinics, 175 providers, cutting-edge technology, and patient-focused care for diverse population |
694 |
| 54 |
Community Health Carecommhealth.org
The company provides high-quality family practice care to individuals in the Tacoma and Pierce County area, regardless of insurance status |
693 |
| 55 |
Jefferson Healthcarejeffersonhealthcare.org
Primary healthcare provider for eastern Jefferson County residents offering services such as surgical, orthopedic, oncology, diagnostic imaging, birth center, physical therapy, primary care clinics, and home health/hospice |
683 |
| 56 |
Pioneer Human Servicespioneerhumanservices.org
A nonprofit social enterprise in Washington state that supports justice-involved individuals with housing, healthcare, employment, and job training programs to reduce societal challenges |
678 |
| 57 |
Therapeutic Associates Physical Therapytherapeuticassociates.com
Physical therapist-owned partnership of clinics offering high-quality care, mentorship, residency programs, and leadership training Committed to compassion, innovation, and evidence-based treatment |
675 |
| 58 |
Lutheran Community Services Northwestlcsnw.org
A nonprofit organization in the Pacific Northwest providing essential services to vulnerable populations, including children, families, immigrants, and seniors facing challenges |
664 |
| 59 |
Northwest Centernwcenter.org
A non-profit organization in Seattle since 1965 promoting education, rehabilitation, and work opportunities for people with disabilities, fostering diversity and inclusion |
656 |
| 60 |
First Choice In-Home Care, Inc.fcihc.com
Licensed provider of non-medical personal care services for developmentally disabled children, young adults, and aging individuals in Washington's King, Pierce, and Snohomish counties |
647 |
| 61 |
Trios Healthtrioshealth.org
A healthcare system in southeastern Washington offering a wide range of medical services and specialties, with a focus on compassionate patient care |
647 |
| 62 |
Skagit Valley Hospitalskagitregionalhealth.org
Skagit Regional Health is a leading healthcare provider in Northwest Washington, offering advanced medical services including cardiac care, cancer treatment, and outpatient services |
642 |
| 63 |
Bartell Drugscontent.riteaid.com
Established in 1890, this company supports health needs in the Puget Sound Region through over 60 unique locations as a trusted neighborhood wellness destination |
632 |
| 64 |
DESC (Downtown Emergency Service Center)desc.org
DESC works to end homelessness by providing comprehensive services and housing to vulnerable individuals with mental illnesses and substance use disorders in the Pacific Northwest |
628 |
| 65 |
Sinceri Senior Livingsinceriseniorliving.com
This company offers a range of care services for seniors, including independent living, assisted living, and memory care, enabling aging in place |
625 |
| 66 |
Leisure Careleisurecare.com
The company reimagines senior living to provide fulfilling opportunities for older adults and their caregivers, focusing on a new chapter in life |
559 |
| 67 |
Lakefield Veterinary Grouplakefieldvet.com
Family-owned veterinary hospital acquisition company preserving independence and local legacy for veterinarians Tailored approach to elevate unique practices and values |
230 |
| 68 |
Choruschorus.org.au
A for-purpose organization supporting seniors, people with disabilities, and mental illness to live the life they choose through community-based services |
124 |
| 69 |
Indigoindigohealth.com
Innovative urgent care focused on providing accessible and friendly medical services through technology and a people-centered approach |
93 |
| 70 |
Willapa Behavioral Healthwillapabh.org
WBH offers culturally sensitive mental health and substance use disorder services in Southwest Washington since 1986, fostering recovery and resilience |
43 |
| 71 |
The Center โข A Place of HOPEaplaceofhope.com
Offers unique, life-changing treatment programs, focusing on mind, body, spirit for various behavioral health issues, including addiction, depression, anxiety, and eating disorders, in a supportive setting. |
40 |
| 72 |
NEOSPINEneospine.com
A multidisciplinary spine and pain management practice in Greater Seattle, offering customized therapies for patients through a multimodal approach |
19 |
| 73 |
Green Lake Dental Caregreenlakedentalcare.com
A Seattle-based dental care provider with over 25 years of experience, offering a wide range of services and utilizing the latest technology and techniques |
7 |
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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 Washington State
- The largest companies in Washington State 1,785
- SaaS companies in Washington State 141
- IT Services and IT Consulting companies in Washington State 118
- Software Development companies in Washington State 115
- Hospitals and Health Care companies in Washington State 104
- Retail chains in Washington State 98
- Education providers in Washington State 94
- Critical infrastructure operators in Washington State 89
- Public sector organisations in Washington State 82
- IT services companies in Washington State 80
- Higher Education companies in Washington State 72
- Financial services firms in Washington State 63
- Manufacturers in Washington State 61
- Government Administration companies in Washington State 60
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- Financial Services companies in Washington State 50
- AI companies in Washington State 49
- Primary and Secondary Education companies in Washington State 48
- Real Estate companies in Washington State 47
- Family-owned companies in Washington State 42
- Aerospace and defence companies in Washington State 41
- Non-profit Organizations companies in Washington State 41
- E-commerce companies in Washington State 40
- Education Administration Programs companies in Washington State 40
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 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