| # | Company | Employees |
|---|---|---|
| 1 |
UCLA Healthuclahealth.org
Comprehensive healthcare system with top-ranked hospitals, advanced medical technology, expert physicians, and pioneering biomedical research across multiple specialties. |
17,812 |
| 2 |
Cedars-Sinaicareers.cshs.org
Comprehensive healthcare provider excelling in patient care, pioneering research, advanced medical education, and community health improvement in Los Angeles. |
16,865 |
| 3 |
City of Los Angeleslinkpages.pro
The City of Los Angeles offers a wide range of career opportunities through civil service positions, internships, and appointments in government roles |
15,933 |
| 4 |
Children's Hospital Los Angeles (CHLA)jobs.chla.org
Dedicated to providing high-quality, compassionate care to children, empowering staff to create special moments free from pain and suffering |
6,900 |
| 5 |
City National Banknewsroom.cnb.com
Personalized banking, investment, and trust services across select U.S. markets, managing substantial client assets and supporting community nonprofits. |
6,817 |
| 6 |
RadNetradnet.com
A leading provider of diagnostic imaging services with 370+ locations in core markets like California, offering services through a network of 9,000 employees |
5,667 |
| 7 |
Keck Medicine of USCkeckmedicine.org
Leading medical enterprise in Southern California, providing specialized care with world-class research, top-ranked hospitals, and over 100 clinics in the region |
5,099 |
| 8 |
Los Angeles Department of Water and Powerladwp.com
Provide safe, reliable water and electricity services to millions of residents and businesses in Los Angeles, ensuring municipal utility needs. |
4,862 |
| 9 |
SoCalGassocalgas.com
Largest gas distribution utility serving over 21 million consumers across Central and Southern California with safe, reliable, affordable energy. |
3,699 |
| 10 |
Los Angeles County Sheriff's Departmentlasd.org
Provides law enforcement, public safety, jail management, court security, and homeland security services across Los Angeles County and its communities. |
3,647 |
| 11 |
Los Angeles Metrometro.net
The company serves as a transportation planner, coordinator, designer, builder, and operator for a large county with over 96 million residents |
3,638 |
| 12 |
Banc of Californiabancofcal.com
A premier California-based business bank offering full-service solutions to help clients achieve financial goals and grow their businesses |
3,312 |
| 13 |
AltaMed Health Servicesaltamed.org
Providing primary medical, dental, and senior care across Southern California with a focus on community wellness and patient satisfaction. |
2,852 |
| 14 |
LA Health Servicesdhs.lacounty.gov
A leading municipal hospital system in Los Angeles County with a large budget, operating teaching hospitals, a rehabilitation hospital, and outpatient clinics |
2,445 |
| 15 |
Los Angeles County Department of Mental Healthdmh.lacounty.gov
Providing mental health services to residents of all ages in Los Angeles County through diverse workforce and community partnerships for hope and recovery |
2,153 |
| 16 | 1,940 | |
| 17 |
L.A. Care Health Planlacare.org
provides health coverage plans for low-income communities in Los Angeles County, focusing on quality, access, and inclusion |
1,916 |
| 18 |
Metropolitan Water District of Southern Californiamwdh2o.com
A cooperative serving 19 million people in six counties, importing water to supplement local supplies and promoting water conservation and resource management programs |
1,684 |
| 19 |
California Resources Corporationcrc.com
An independent energy and carbon management company in California focused on energy transition through low carbon intensity production and decarbonization projects |
1,628 |
| 20 |
Cathay Bankcathaybank.com
A leading bank serving diverse communities for over 60 years, offering financial services and support to help clients achieve their goals |
1,345 |
| 21 |
Hallmark Aviationhallmark-aviation.com
A leading ground handling services provider with a strong commitment to clients, customers, employees, and community, delivering "peace of mind" since 1989 |
1,235 |
| 22 |
PMH - California Regioncareerbuilder.com
A provider of coordinated regional healthcare services, owning hospitals and clinics in multiple states focused on quality, affordable care Visit our career opportunities page |
1,136 |
| 23 |
Los Angeles World Airportslawa.org
The company operates and governs Los Angeles World Airports, including LAX and Van Nuys airports, contributing significantly to the local economy and aviation industry |
1,067 |
| 24 |
Los Angeles General Medical Centerlageneral.org
Renowned teaching hospital and Level-One trauma center serving 10 million residents with world-class care and training in various medical specialties since 1878 |
919 |
| 25 |
MLK Community Healthcaremlkch.org
Health system providing quality care in South LA through hospital, doctors' offices, and community outreach Innovative, award-winning approach to healthcare since 2015 |
896 |
| 26 |
Bank of Hopebankofhope.com
Regional bank offering commercial, consumer loans, deposits, treasury management, foreign exchange, and international trade financing across multiple U.S. states and Hawaii. |
831 |
| 27 |
Servicio de Salud Biobíossbiobio.cl
A healthcare network in the Bío-Bío province providing comprehensive, timely, efficient, and compassionate care to improve people's health and quality of life |
813 |
| 28 |
CHA Hollywood Presbyterian Medical Centerhollywoodpresbyterian.com
A full-service acute care hospital in Hollywood, serving a multicultural population with quality, innovative and accessible healthcare, part of a global healthcare group |
752 |
| 29 |
Metrolinkmetrolinktrains.com
The company operates a premier commuter rail service in Southern California, managing multiple routes, stations, and miles of track to transport passengers daily |
673 |
| 30 |
AHF HEALTHCARE FOUNDATONaidshealth.org
An organization based in Los Angeles, California, focused on healthcare services and support, positioned at 6255 W Sunset Blvd |
653 |
| 31 |
CTBC Bank Corp. (USA)ctbcbankusa.com
Provides banking services in the US, leveraging an extensive Pacific Rim network for consumer and commercial clients, fostering strong employee relationships. |
648 |
| 32 |
SMBC MANUBANKsmbcmanubank.com
A subsidiary of SMBC Americas Holdings, providing sophisticated financial solutions for middle market and corporate businesses with personalized service Offices in California |
600 |
| 33 |
St. John's Community Healthsjch.org
An independent 501(c)(3) network of community health centers in South Los Angeles providing high-quality care to patients of all ages |
568 |
| 34 |
Hanmi Bankhanmi.com
An established bank providing quality financial services, specializing in business banking and supporting small businesses to grow and thrive for nearly four decades |
491 |
| 35 | 431 |
Turn this list into pipeline
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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 Oct 24, 2026.
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