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Top Tech Companies in San Diego, CA (3,523)

Udio LLC
Digital Media • Information Technology • Mobile • Software
San Diego

Digital business cards accessible and shared across multiple phone operating systems.

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Udio LLC
Horrocks
Professional Services • Design
22 Offices
666 Employees
24 Benefits

For more than 50 years Horrocks has been an integral part of designing and improving infrastructure for communities in the western United States. As a full-service civil engineering and professional services firm, we coordinate all of the disciplines necessary to study, plan, and design infrastructure projects, from utilities to roads to structures. We involve clients, community leaders, and the public...

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Horrocks
Tocagen
Biotech
San Diego

Tocagen is a biopharmaceutical company developing gene therapy products for the treatment of cancer.

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Tocagen
Grizzly
AdTech • Digital Media • Marketing Tech • Software
San Diego
43 Employees
2 Benefits

Grizzly is an independent creative agency. We guide brands onward™ to challenge convention and impact culture. We work at the convergence of branding and advertising — blending strategy, design, and storytelling to build deeper connections between brands and people. We partner with those who are out to shape the future. The trailblazers. The visionaries. The courageous. The ones who believe in...

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Grizzly
Assessments 24x7
Information Technology
Carlsbad
31 Employees

Assessments 24x7 specializes in personality assessment solutions with their professional behavioral testing tools for businesses

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Assessments 24x7
Mercato
eCommerce
San Diego
244 Employees
22 Benefits

Mercato is an online grocery marketplace that connects consumers with local merchants.

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Mercato
GoFormz
Cloud • Mobile • Software
San Diego
42 Employees

GoFormz helps its customers to transform into data-driven businesses with its mobile-first business productivity platform.

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GoFormz
Amada Senior Care - NW Chicagoland
57 Offices

Amada Senior Care provides comprehensive in-home senior care, specialized in-home assistance with activities of daily living, and long-term care insurance claims management. The company also offers expert guidance to families in navigating senior housing options and funding for care needs, ensuring seniors can safely age in place or find the best local senior living communities.

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Amada Senior Care - NW Chicagoland
Safeguard on Demand, Inc
Artificial Intelligence • Internet of Things • Mobile • Professional Services • Security • Software • App development
5 Offices
300 Employees
Technology-driven security officers on site 24/7, mobile patrol & event security across California.

Safeguard on Demand, Inc is a technology-driven security services company headquartered in Northridge, California, delivering on-demand security guard coverage across California. Our officers are available on site 24/7, including nights, weekends, and holidays. We built our platform around a simple idea: booking a professional security guard should be as fast and transparent as booking a ride. Clients request coverage through...

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Safeguard on Demand, Inc

Safeguard on Demand, Inc's Top Stability & Growth Strengths

Market Expansion: Service coverage is portrayed as spanning multiple California regions, with newer pages and claims referencing statewide reach including areas like Sacramento. Municipal RFP participation and use of platforms such as Procore indicate active pursuit of new geographies and client segments.

Product Line Growth: Offerings range from armed/unarmed guards and mobile patrol to executive protection and remote monitoring, with a 2025 announcement of enhanced protocols for high‑risk environments. Recently updated service pages tied to California workplace‑violence requirements suggest continued packaging of services for emerging compliance needs.

Leadership Stability: Operating history is presented as established, with 9 years in business on BBB and an owner noted as having over 20 years in the security industry. Active licensing and continuous operations reinforce a picture of continuity.

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MARCOA Publishing
Marketing Tech
San Diego
92 Employees

MARCOA proudly serves over 75% of domestic U.S. military installations as an established publisher of community, relocation, and military base guides. Founded by Michael J. Martella located in San Diego, California

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MARCOA Publishing
Forte
Blockchain • Gaming
37 Offices
119 Employees
30 Benefits

Forte is building economic technology for games that is secure, easy to use, and fully compliant. Its end-to-end blockchain platform enables the emergence of community economics, a system where the interests of game developers and players are aligned, leading to healthier, sustainable game communities. The team is composed of longtime industry members (Unity, ngmoco, Riot Games, Electronic Arts, Sony, and...

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Forte
RF Industries
San Diego
61 Employees

RF Industries is a supplier of communication and interconnect products through its divisions.

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RF Industries
Emerald Textiles, LLC
San Diego
97 Employees

Searching for an ecofriendly solution to your healthcare laundry needs? Emerald Textiles is a 100% Green commercial laundry service assisting businesses with their high-volume laundry. See why customers are delighted with the Emerald Textiles Difference. Serving San Diego County and Los Angeles County.

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Emerald Textiles, LLC
Frontier Water Systems
San Diego
20 Employees

Treatment and removal of Selenium, Mercury, Arsenic and Nitrate from water and FGD wastewater. Biological Treatment for Power Generation, Mining and Industry.

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Frontier Water Systems
Dell Technologies Inc.
Hardware • Information Technology • Software • Cybersecurity
25 Offices
3 Employees

Dell Technologies Inc. is a multinational technology company providing end-to-end solutions in computer hardware, software, security, and IT infrastructure. The company designs, manufactures, and supports a broad portfolio of products including laptops, desktops, monitors, servers, and data storage systems, helping organizations and individuals build their digital future and transform how they work, live, and play in the modern data era.

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Dell Technologies Inc.
Linus Health
Artificial Intelligence • Healthtech • Information Technology • Machine Learning • Software • Analytics
3 Offices
135 Employees
18 Benefits
We're a mission-driven company bringing earlier detection to brain health through digital innovation.

Linus Health is a Boston-based digital health company focused on transforming brain health for people across the world. By advancing how we detect and address cognitive and brain disorders – leveraging cutting-edge neuroscience, clinical expertise, and artificial intelligence – our goal is to enable a future where people can live longer, happier, and healthier lives with better brain health.

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Linus Health

Linus Health's Top Stability & Growth Strengths

Strategic Partnerships: Collaborations span Emory Healthcare, Davos Alzheimer’s Collaborative, Cognito Therapeutics, Brook Health, and League, extending reach into primary care, research networks, and health‑plan portals. Feedback suggests these alliances are expanding distribution and real‑world adoption across care settings.

Product Line Growth: The platform broadened from DCTclock/DCR to include additional assessments (e.g., digital Trail Making Part B, Hearing Screener), remote workflows via “Anywhere,” and capabilities gained through acquisitions (Aural Analytics, Together Senior Health, Kinesis). This multimodal expansion supports use from in‑clinic screening to remote assessment and intervention.

Strong Brand Reputation: Awards and visibility include TIME’s 100 Best Inventions, MassTLC Tech Top 50 Technology of the Year, Digital Health Hub Foundation Best in Class (2024), Fierce 15 (2025), and Modern Healthcare’s Best in Business (2026), along with extensive peer‑reviewed publications and major conference presence. These signals reinforce credibility and category recognition in digital brain health.

Full Coverage System
Information Technology
San Diego

Full Coverage System is standard information technology supported company.

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Full Coverage System
Tata Consultancy Services
Information Technology • Consulting
59 Offices
484,503 Employees
34 Benefits

A purpose-led organization that is building a meaningful future through innovation, technology, and collective knowledge. We're #BuildingOnBelief. A part of the Tata group, India's largest multinational business group, TCS has over 500,000 of the world’s best-trained consultants in 46 countries. The company generated consolidated revenues of US $22.2 billion in the fiscal year ended March 31, 2021, and is listed on...

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Tata Consultancy Services
Step By Step Run
San Diego

Mobile App for Runners Who Travel

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Step By Step Run
Jack Henry & Associates
Fintech • Payments • Financial Services
9 Offices
5,854 Employees
41 Benefits

Jack Henry & Associates, Inc.® (NASDAQ: JKHY) is a leading provider of technology solutions and payment processing services primarily for the financial services industry. Its solutions serve approximately 9,000 customers nationwide, and are marketed and supported through three primary brands.

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Jack Henry & Associates

Jack Henry & Associates's Top Stability & Growth Strengths

Strong Market Position & Advantage: The company is positioned among the Big Three in U.S. core banking for community and regional institutions, with leadership reinforced by a large installed base and notable competitive wins. Industry recognition and strong product quality assessments further support its standing.

Strong Revenue Growth: Recent quarters and fiscal periods show consistent year-over-year increases in revenue and earnings, with guidance pointing to continued expansion. Growth is driven by data processing and hosting, digital and transaction services, card, and faster payments.

Customer Loyalty & Retention: A very high retention rate and long-standing core relationships indicate durable, recurring revenue. High switching costs in core platforms reinforce client stickiness among banks and credit unions.

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