| # | Company | Employees |
|---|---|---|
| 1 |
Scripps Healthcareers.scripps.org
Non-profit healthcare system providing acute hospitals, outpatient centers, home health, hospice, and advanced clinical research in San Diego. |
11,885 |
| 2 |
Sharp HealthCarecareers.sharp.com
Not-for-profit healthcare system offering acute, specialty hospitals, medical groups, and health plan with advanced, compassionate patient care services. |
11,594 |
| 3 |
UC San Diego Healthemployment.ucsd.edu
A leading academic health system in San Diego region, offering outstanding patient care, cutting-edge research, medical education, and community health programs |
10,962 |
| 4 |
Rady Children's Hospital-San Diegorchsd.org
Leading pediatric health care system with a 511-bed hospital, 40+ locations, and a focus on serving San Diego and surrounding counties Nonprofit organization relying on donations |
4,856 |
| 5 |
ACES (Comprehensive Educational Services)acesaba.com
Provide professional autism and special needs services including therapy, education, and support in homes, schools, and communities nationwide. |
2,611 |
| 6 |
Family Health Centers of San Diegofhcsd.org
Delivering comprehensive behavioral health and primary care services to diverse, underserved populations in San Diego County for over 50 years |
1,474 |
| 7 |
Corticacorticacare.com
Innovative healthcare company specializing in treating neurodevelopmental conditions by combining medical, therapeutic, and behavioral approaches for comprehensive care and family empowerment |
1,462 |
| 8 |
San Ysidro Healthsyhealth.org
A non-profit organization providing high-quality, compassionate, accessible, and affordable healthcare services for families in San Diego County, serving over 145,000 patients |
1,235 |
| 9 |
Pacifica Senior Livingpacificaseniorliving.com
Passionate division of Pacifica Companies delivering personalized care services to seniors across 13 states in over 90 communities with ample growth opportunities |
1,048 |
| 10 |
Equipequip.health
The company provides virtual care teams and gold-standard treatment at home for families seeking lasting recovery from eating disorders |
842 |
| 11 |
Sharp Rees-Stealy Medical Groupsharp.com
A leading medical group in San Diego County with 19 locations offering primary, specialty care, therapy, radiology, pharmacy, and urgent care services since 1923 |
820 |
| 12 |
Mental Health Systemsturnbhs.org
Non-profit organization providing mental health and substance abuse recovery services through innovative strategies and community-based programs in California |
789 |
| 13 |
Community Research Foundationcrfbehavioralhealthcare.org
A San Diego-based non-profit corporation providing behavioral health services to adults, children, and families through outpatient programs, peer-run clubhouses, ACT programs, and more |
786 |
| 14 |
SHARP MEMORIAL HOSPITAL
A medical practice company located in San Diego, California, specializing in providing healthcare services at Sharp Memorial Hospital |
768 |
| 15 |
Millennium Healthmillenniumhealth.com
specialty laboratory providing nationwide medication monitoring and drug testing services to support substance use disorder and pain management providers |
691 |
| 16 |
The San Diego Regional Centersdrc.org
A regional center in California serving individuals with developmental disabilities, intellectual disabilities, cerebral palsy, epilepsy, autism, and related conditions Serving San Diego and Imperial Counties |
659 |
| 17 |
Mission Healthcarehomewithmission.com
A leading provider of personalized home-based healthcare services, including skilled home health, hospice, and transitional care, with 33 locations on the West Coast |
571 |
| 18 |
San Diego Humane Societysdhumane.org
The company is dedicated to advancing animal welfare, providing shelter and care to thousands of animals, and inspiring compassion in the community |
530 |
| 19 |
Planned Parenthood of the Pacific Southwestpppswcareers.org
A prominent healthcare organization providing a wide array of services with a focus on sexual health and reproductive justice |
509 |
| 20 |
Pacific College of Health and Sciencepacificcollege.edu
Offers education in acupuncture, Chinese herbal medicine, integrative medicine, and massage therapy with a focus on natural health practices and professional training |
501 |
| 21 |
Neighborhood House Associationneighborhoodhouse.org
A multi-purpose human services organization dedicated to improving the quality of life for underserved individuals and families in San Diego County |
411 |
| 22 |
MeBemebefamily.com
Providing Applied Behavior Analysis, Speech and Language Pathology, and Occupational Therapy services with personalized attention to children and families in multiple locations |
405 |
| 23 |
Perlman Clinicperlmanclinic.com
A San Diego-based primary care clinic providing quality care in Internal, Family, Integrative, and Preventive Medicine with a focus on patient comfort and quality time with providers |
392 |
| 24 |
Bridge Home Health & Hospicebridgehh.com
A leading California provider of post-acute healthcare services, committed to delivering high-quality home-based patient care with respect and excellence |
389 |
| 25 |
Alvarado Hospital Medical Centeralvaradohospital.com
Pioneering medical center in San Diego offering advanced healthcare services with over 450 physicians and a variety of specialized programs for patients |
387 |
| 26 |
Palomar Medical Center
Health care provider in North San Diego County with multiple state-of-the-art hospitals, birth centers, and clinics offering a full spectrum of services |
333 |
| 27 |
Spine & Sport Physical Therapyspineandsport.com
Empowering individuals to reach their full potential through personalized physical therapy treatments focusing on pain management, mobility, function, and wellness |
328 |
| 28 |
San Diego Center for Childrencenterforchildren.org
Nonprofit organization offering mental health and educational programs for children and families in the San Diego region since 1887 Visit wwwcenterforchildrenorg for more information |
323 |
| 29 |
The Arc of San Diegoarc-sd.com
A leading provider of services for individuals with disabilities in San Diego, offering opportunities for growth, learning, and making a positive impact |
321 |
| 30 |
Imaging Healthcare Specialistsimaginghealthcare.com
Provider of high-quality medical imaging services in San Diego and Riverside Counties, offering advanced technology, specialized expertise, and exceptional customer service |
316 |
| 31 |
San Diego Blood Banksandiegobloodbank.org
A nonprofit organization in Southern California providing over 150,000 units of blood annually to hospitals in the region |
255 |
| 32 |
SIMNSAsimnsa.com
The company provides practical and economical healthcare solutions for cross-border employees and their families, with ACA compliant plans |
234 |
| 33 |
Advantage Ambulanceadvantageambulancesd.com
Providing ambulance services in San Diego County since 2014, the only non-911 CAAS accredited company in the area |
186 |
| 34 |
Our Pet Vetsourpetvets.com
A reliable and respected provider of veterinary services offering personalized care, surgeries, dental work, and preventative health care for all pets |
7 |
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How this list is built
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 Nov 2, 2026.
More company lists in San Diego
- The largest companies in San Diego 826
- Manufacturers in San Diego 64
- Hardware manufacturers in San Diego 63
- SaaS companies in San Diego 59
- Retail chains in San Diego 58
- Software Development companies in San Diego 54
- IT Services and IT Consulting companies in San Diego 53
- Financial services firms in San Diego 51
- Financial Services companies in San Diego 46
- Education providers in San Diego 43
- Pharmaceutical companies in San Diego 42
- Biotechnology Research companies in San Diego 41
- AI companies in San Diego 40
- Publicly traded companies in San Diego 39
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- Critical infrastructure operators in San Diego 33
- Hotel and hospitality groups in San Diego 33
- Hospitals and Health Care companies in San Diego 29
- Aerospace and defence companies in San Diego 28
- Advertising Services companies in San Diego 28
- E-commerce companies in San Diego 27
- Energy companies in San Diego 27
- Real Estate companies in San Diego 27
- Marketing and communications agencies in San Diego 26
The same list elsewhere in United States
- Healthcare providers in the United States 5,812
- Healthcare providers in California 573
- Healthcare providers in New York State 494
- Healthcare providers in Texas 408
- Healthcare providers in Florida 361
- Healthcare providers in Pennsylvania 264
- Healthcare providers in Illinois 262
- Healthcare providers in Massachusetts 213
- Healthcare providers in Ohio 182
- Healthcare providers in Tennessee 180
- Healthcare providers in Michigan 157
- Healthcare providers in North Carolina 153
- Healthcare providers in New Jersey 151
- Healthcare providers in Georgia 148
- Healthcare providers in Washington State 136
- Healthcare providers in Colorado 126
- Healthcare providers in Arizona 124
- Healthcare providers in Indiana 123
- Healthcare providers in Minnesota 121
- Healthcare providers in Virginia 121
- Healthcare providers in Missouri 118
- Healthcare providers in Alabama 115
- Healthcare providers in Maryland 105
- Healthcare providers in New York 155