| # | Company | Employees |
|---|---|---|
| 1 |
LPL Financiallpl.com
Wealth management firm supporting financial advisors and institutions through investment solutions, fintech tools, practice management services, and custody of trillions in brokerage assets. |
14,788 |
| 2 |
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 |
| 3 |
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 |
| 4 |
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 |
| 5 |
Guild Mortgageguildmortgage.com
A leading independent mortgage provider, prioritizing customer service with commitment to on-time closings and tailored loan options for homebuyers |
5,337 |
| 6 |
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 |
| 7 |
San Diego Gas & Electricsdge.com
provides clean, safe, and reliable energy to improve lives in San Diego and southern Orange counties with over 4,000 employees |
2,822 |
| 8 |
Semprasempra.com
A leading energy infrastructure company helping to electrify and decarbonize major markets in North America through sustainable practices and operational excellence |
2,572 |
| 9 |
EDF Renewables North Americaedf-re.com
Development and operation of wind, solar, and storage projects with onsite energy solutions for commercial and industrial customers. |
1,725 |
| 10 |
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 |
| 11 |
California Bank & Trustcalbanktrust.com
A leading California bank with over $12 billion in assets offering a wide range of financial services to businesses and individuals |
1,432 |
| 12 |
Axos Bankaxosbank.com
This company empowers consumers and businesses in managing their financial lives through banking, borrowing, investing, and planning with an exceptional team |
1,430 |
| 13 |
ICW Groupicwgroup.com
National multi-line property and casualty insurance company offering comprehensive coverage through multiple carriers to protect customers and support independent agents. |
1,242 |
| 14 |
Mutual of Omaha Mortgagemutualmortgage.com
A trusted mortgage company with strong leadership, cutting-edge technology, and superior support for an easy and efficient loan process Proudly serving customers for over 100 years |
1,104 |
| 15 |
Sempra Infrastructuresemprainfrastructure.com
The company delivers energy in North America, committed to building future energy systems for a better world |
968 |
| 16 |
SHARP MEMORIAL HOSPITAL
A medical practice company located in San Diego, California, specializing in providing healthcare services at Sharp Memorial Hospital |
768 |
| 17 |
San Diego Metropolitan Transit System (MTS)sdmts.com
provides extensive bus and trolley services with a focus on sustainability, serving millions annually in the San Diego region. |
663 |
| 18 |
San Diego Police Departmentsandiego.gov
The San Diego Police Department aims to protect and serve residents, reduce crime, improve quality of life, and promote accountability in policing |
644 |
| 19 |
San Diego County Credit Unionsdccu.com
San Diego County Credit Union is a member-owned, not-for-profit financial institution offering superior products and services with community support and involvement |
633 |
| 20 |
Port of San Diegoportofsandiego.org
Manage 34 miles of San Diego Bay waterfront, balancing maritime, development, public safety, and environmental efforts to support community and business. |
553 |
| 21 |
Mission Fed Credit Unionmissionfed.com
Serving San Diego with checking, savings, loans, credit cards, extensive branches, fee-free ATMs, mobile banking, and community partnerships. |
545 |
| 22 |
San Diego Association of Governments (SANDAG)sandag.org
A transportation and planning agency in San Diego region, dedicated to improving quality of life through data-driven decision-making and stakeholder collaboration |
455 |
| 23 |
Cal Coast Credit Unioncalcoastcu.org
A community-focused credit union in San Diego and Riverside counties, offering financial services, support for educators, and commitment to giving back |
445 |
| 24 |
San Diego County Regional Airport Authoritysan.org
An independent agency managing San Diego International Airport, planning for future air transportation needs, and overseeing airport land use |
430 |
| 25 |
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 |
| 26 |
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 |
| 27 |
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 |
| 28 |
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 |
| 29 |
San Diego County Water Authoritysdcwa.org
A regional public agency in San Diego delivers water supplies to retail providers, sustaining the economy and quality of life for residents |
284 |
| 30 |
Sempra Renewablessemprarenewables.com
A leading developer of clean energy solutions, with nearly 2,600 MW of renewable generating capacity fuelled by sun and wind across 11 states |
41 |
| 31 |
Redwireredwire.com
A business class Internet Service Provider offering fast installations and reliable network services to small to medium tenants in Southern California |
19 |
| 32 | 9 | |
| 33 |
Sempra U.S. Gas & Power, LLCsemprausgp.com
Collaborating with partners and communities to develop innovative clean energy solutions for future challenges |
2 |
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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.
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