| # | Company | Employees |
|---|---|---|
| 1 |
Jack in the Boxjackinthebox.com
Operates quick-serve restaurants, offering diverse menu items like breakfast sandwiches, salads. Company pioneered many fast-food staples, with over 2000 locations. |
21,368 |
| 2 | 19,892 | |
| 3 |
The UPS Storetheupsstore.com
A nationwide network of retail centers offering shipping, printing, postal services, and more, with franchise opportunities available for qualifying entrepreneurs |
12,412 |
| 4 |
PriceSmartpricesmart.com
A membership-based retail company offering high-quality items at low prices across Central America, Colombia and the Caribbean, while supporting local communities through philanthropic initiatives |
6,108 |
| 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 |
Qdoba Restaurant Corporationqdoba.com
A fast-casual Mexican restaurant chain with over 740 locations in the US and Canada, focusing on flavorful ingredients and a vibrant, inclusive work culture |
4,341 |
| 7 |
Interior Logic Group, Inc.interiorlogicgroup.com
National provider of design and finish solutions offering installation of flooring, cabinets, countertops, and window coverings for homebuilders, commercial, and multifamily customers. |
1,664 |
| 8 |
YMCA of San Diego Countyymcasd.org
The organization is committed to enhancing human life and empowering individuals to reach their full potential through holistic development |
1,632 |
| 9 |
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 |
| 10 |
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 |
| 11 |
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 |
| 12 |
SeaWorld San Diegoseaworld.com
A leading entertainment company focused on nature conservation, education, zoological care, and expanding into media platforms and consumer products |
960 |
| 13 |
Chuze Fitnesscareers.smartrecruiters.com
A hospitality-first company in the fitness industry, prioritizing value over sales, building meaningful relationships, and creating a supportive, inclusive work environment |
931 |
| 14 |
Event Network, LLCeventnetwork.com
A leading retail operator for cultural attractions, providing exceptional shopping experiences through assortment planning and partnerships with iconic destinations across North America |
915 |
| 15 |
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 |
| 16 |
Road Runner Sportsroadrunnersports.com
Provides running shoes, apparel, and accessories, offering a personalized fitting experience to help customers find their ideal gear for an active lifestyle. |
779 |
| 17 |
La Mesalamesarv.com
A leading RV dealership with multiple locations, offering new and certified pre-owned RVs, expert service, and a commitment to customer satisfaction |
693 |
| 18 |
Pura Vidapuravidabracelets.com
A global brand empowering artisans with sustainable jobs, raising charity awareness through products that give back Founded in Costa Rica |
674 |
| 19 |
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 |
| 20 |
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 |
| 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 |
Shake Smartshakesmart.com
Shake Smart offers customizable, high-protein products for on-the-go lifestyles, with locations in universities, hospitals, airports, and military installations |
544 |
| 23 |
Better Buzz Coffeebetterbuzzcoffee.com
A San Diego-based coffee company offering fresh roasted beans, unique blends, and exceptional guest service for a superior coffee experience |
487 |
| 24 |
Aztec Shops, Ltd.aztecshops.com
A leading retail and hospitality service provider in San Diego, offering career opportunities with generous benefits for team members Apply now! |
460 |
| 25 |
Jimbo'sjimbos.com
This company provides the highest quality organic and natural foods, with a focus on fresh, local, and plastic-free products in San Diego |
446 |
| 26 |
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 |
| 27 |
Jerome's Furniturejeromes.com
Family-owned furniture retailer founded in 1954, with multiple showroom locations across Southern California, offering a wide range of furniture products |
441 |
| 28 |
Fix Auto USAfixautousa.com
Fix Auto USA supports independent collision repair facilities in San Diego by providing tools and resources to enhance performance and profitability in a competitive market |
414 |
| 29 |
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 |
| 30 |
ecoATM Gazelleecoatm.com
A San Diego-based company pioneering device re-Commerce through eco-friendly kiosks, providing instant payment and responsible recycling for electronic devices |
380 |
| 31 |
Fairmont Grand Del Marfairmont.com
Luxury resort in San Diego offering Mediterranean charm, modern amenities, championship golf, spa, fine dining, and stunning natural surroundings |
379 |
| 32 |
Luna Grill Mediterranean Kitchenlunagrill.com
A family-owned restaurant passionately serving wholesome, non-GMO food to promote a feel-good lifestyle, supporting local businesses and sustainable practices |
370 |
| 33 |
Mor Furniture for Lessmorfurniture.com
A furniture retailer with over 40 years of experience, known for its industry-leading reputation and ranking among the top 100 in the US |
365 |
| 34 |
OTROotro-taco.com
An eatery in a vibrant city offering tasty artisanal tacos and refreshing aguas frescas to customers seeking quality dining experiences |
355 |
| 35 |
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 |
| 36 |
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 |
| 37 |
Hawthorne Cathawthornecat.com
The company is an authorized dealer for Cat construction and power equipment, providing sales, rentals, parts, service, training, and emission solutions to various industries |
320 |
| 38 |
Goodwill Industries of San Diego Countysdgoodwill.org
The company provides employment and training opportunities to individuals with disabilities and other barriers to employment |
318 |
| 39 |
Mail Boxes Etc., Inc.theupsstore.com
A franchise system with over 4,700 locations offering shipping, postal, print, and business services in the US, Puerto Rico, and Canada |
282 |
| 40 |
MCDONALD'S USA LLC
A restaurants company based in San Diego, California, focusing on food service operations, likely specializing in hamburgers, fries, and fast food |
255 |
| 41 |
Burger Loungeburgerlounge.com
A company focused on personal and professional growth, promoting authenticity and sustainability in the food industry through teamwork and development opportunities |
222 |
| 42 |
Urban Platesurbanplates.com
Fresh, sustainable, and ethically sourced ingredients create nutritious, delicious, and affordable chef-inspired meals for all dietary preferences. |
221 |
| 43 |
Ballast Point Brewing Companyballastpoint.com
This San Diego-based company is a leader in craft brewing and spirits, known for innovative twists on traditional recipes |
206 |
| 44 |
Girl Scouts San Diegosdgirlscouts.org
This company empowers girls to become courageous, confident leaders who strive to make a positive impact on the world |
183 |
| 45 |
La Mexicanalamexicanastore.us
A company specializing in bringing authentic Mexican products to customers, promoting Mexican culture, and operating retail stores and distribution centers in Mexico and the USA |
126 |
| 46 |
Sushi Loungesushiloungesd.com
A San Diego-based company specializing in sushi cuisine and dining experiences |
103 |
| 47 |
Good Time Designgoodtimedesignsd.com
Hospitality and entertainment group based in San Diego, owning diverse restaurants, bars, live music venues in California and Tennessee Also delves into artist development |
76 |
| 48 |
Parakeet Cafeparakeetcafe.com
Parakeet Caf茅 brings people together to enjoy simple pleasures like sharing meals and drinks in a welcoming and community-oriented environment |
53 |
| 49 |
Discount Glass & Mirror, Inc.discountglassandmirror.com
Custom glass products for homeowners, contractors, and designers, including windows, doors, shower enclosures, countertops, storefronts, and commercial glass Also offers custom picture framing |
38 |
| 50 |
Parfait Parisparfaitparis.com
A family-run French patisserie & boulangerie with multiple locations in Southern California, known for award-winning desserts, macarons, and pastries They also ship nationwide |
36 |
| 51 |
Southbay Motorsportssbmotor.com
A premier motorsports superstore in San Diego offering sales and service for motorcycles, ATVs, and watercraft, along with OEM and aftermarket parts and accessories |
18 |
| 52 |
Achilles Coffee Roastersachillescoffeeroasters.com
Local micro coffee roaster with two San Diego locations, offering a variety of roasts and origins for pour over, along with breakfast sandwiches and vegan/gluten-free options |
9 |
| 53 |
Cafe Virtuosotalitha.com
An organic specialty coffee roaster in San Diego, committed to sustainable practices, quality products, and ethical partnerships in the coffee industry |
7 |
| 54 |
DJ HOME PLUSdjhomeplus.com
Specializing in kitchen and bathroom remodeling, this company offers custom designs, quality products, and outstanding customer service for home renovation projects |
5 |
| 55 |
Treehouse Coffee Company
Specialty coffee company sourcing organic, socially responsible beans from around the world Also offering a coffee & tea bar, home roasting supplies, and unique wares |
5 |
| 56 |
ZUMBAR COFFEE & TEA, LLCzumbarcoffee.com
A boutique coffee roaster in San Diego with retail cafes in Sorrento Valley and Cardiff, offering some of the finest coffees globally |
5 |
| 57 |
Manzanita Roasting Company, in Sunny San Diego, CAmanzanitaroasting.com
Specializing in fresh artisan roasted coffee in San Diego, offering wholesale and retail coffee beans sourced, roasted, and tested at Bernardo Winery |
4 |
| 58 |
Heartwork Coffee Barheartworkcoffeebar.com
A coffee bar in San Diego's Mission Hills neighborhood offering high-quality local coffee and baked goods |
3 |
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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 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
- 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
- IT services companies in San Diego 39
- Healthcare providers in San Diego 34
- 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
- Retail chains in the United States 6,975
- Retail chains in California 805
- Retail chains in Texas 635
- Retail chains in New York State 558
- Retail chains in Florida 444
- Retail chains in Illinois 260
- Retail chains in Pennsylvania 246
- Retail chains in Ohio 230
- Retail chains in North Carolina 222
- Retail chains in Georgia 216
- Retail chains in Michigan 202
- Retail chains in Alabama 180
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- Retail chains in New York 326
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