Companies Headquartered in San Diego
6 profiled companies are headquartered in San Diego. The largest by latest full-year revenue is Qualcomm Inc., at about $44.3 billion for 2025, followed by Realty Income Corporation at about $5.7 billion for 2025.
No two of these companies report the same industry; they cover 6 different ones.
Founding dates run from 1953 (WD-40 Company) to 2017 (ClickUp), so the list covers 64 years of companies that chose San Diego as their base.
Every figure above comes from the company profiles linked below, where each revenue number carries its fiscal year and source. Run-rates are never used as annual revenue, and revenue reported in other currencies is converted to US dollars at approximate 2025 average rates, so treat the comparison as an order of scale rather than an exact gap.
ClickUp facts for 2026: $300M+ ARR, 20M+ users, $4B valuation, CEO Zeb Evans, Qatalog and Codegen deals, 22% layoffs, and Asana, Monday.com and Notion rivals.
Explore Dexcom (DXCM), the pioneer and gold standard in real-time Continuous Glucose Monitoring, its revenues, Stelo biosensor, and growth strategy.
Qualcomm profile: FY2025 revenue of $44.3B, Q3 FY2026 results, CEO Cristiano Amon, how QCT chips and QTL licensing make money, Apple modem exposure, and data
Realty Income (NYSE: O) earned $5.75B revenue in FY2025 and $1.55B in Q2 2026. CEO Sumit Roy, 15,500+ net lease properties, monthly dividend, rivals.
Explore ResMed's cloud-connected sleep apnea devices, out-of-hospital SaaS platforms, audited financials, and global medtech market strategy.
WD-40 Company profile: Rocket Chemical origins in 1953, fiscal 2025 net sales of $620.0M, Q3 fiscal 2026 results, CEO Steve Brass, brands and strategy.