San Diego's technology sector is in a generational transition, international in every dimension. Qualcomm built the model: design chip IP here, license it globally, capture the design margin. The next chapter is being written now. Apple built its first cellular modem chip in Rancho Bernardo. Kneron runs a semiconductor supply chain from San Diego through Taiwan to Saudi Arabia. ASML (sole manufacturer of the most critical machine in global semiconductor production) maintains one of its largest North American engineering operations here, reinforced by the City's 2022 trade mission to the Netherlands.
San Diego already designs the chips, builds the autonomous systems, and hosts the engineers. The question is whether the region builds the institutional infrastructure to lead the allied-nation technology supply chain, or remains one node among many.
San Diego's technology sector employs approximately 76,060 professionals (#17 nationally)1 across more than 4,230 establishments, including 3,100+ software companies and 100+ research institutions. Startups raised a record $5.7 billion in venture capital in 2024,2 led by defense technology and edge AI as the fastest-growing sub-sectors by deal size.
The sector's international character is structural, not incidental:
The growth trajectory reflects a composition shift: Q4 2025 showed overall SD employment up 1.4 percent year-over-year while professional and business services declined 2.3 percent. Defense technology and edge AI, not conventional software, are the growth poles. The sector is reorienting toward applications where physical security, supply chain integrity, and advanced manufacturing matter as much as software design.
The clearest strategic argument for San Diego's technology sector is also the least often stated, the defense AI cluster and the semiconductor cluster are the same cluster. Shield AI's Hivemind autonomous pilot requires the class of edge inference that companies like Kneron are building NPUs to deliver. ASML's EUV machines produce the chips in Qualcomm's 5G modems, and in the guidance systems of next-generation autonomous military platforms. Apple's Rancho Bernardo semiconductor team draws from the same talent base as General Atomics and Kratos.
This convergence reflects San Diego's historical position at the intersection of military and commercial technology, built over decades through the naval bases, defense primes, and university research programs that feed both sectors. Name one other US city with all five: the dominant manufacturer of military-grade autonomous aircraft (General Atomics), the sole manufacturer of the EUV lithography machines that enable the most advanced chips (ASML), a hypersonic testbed operator (Kratos), an AI-pilot startup with an office in a war zone (Shield AI), and one of the world's most valuable companies building its first chip in-house (Apple). There isn't one.
The City's international engagement function can make this convergence legible to allied-nation governments making investment decisions across both sectors. When South Korea's trade ministry considers where to place a defense AI partnership, it is the same city where Samsung works on advanced semiconductor packaging. When Australia's defence procurement officials evaluate AUKUS technology partners, ASML's engineers are developing next-generation EUV optics down the road. The convergence argument is one no individual company can make for itself.
What the City cannot yet do is make this argument systematically, with stakeholder maps, FDI attribution, and a published strategy that makes the convergence thesis an institutional commitment rather than a talking point. See the Defense Technology case study for the defense cluster depth this sector context directly enables.
The four companies below illustrate the convergence from different entry points, consumer semiconductor independence, edge AI for allied nations, critical equipment manufacturing, and the globally integrated foundation beneath all of it.
In July 2022, Apple purchased the seven-building Rancho Vista Corporate Center (67 acres, 800,000 square feet, formerly a Hewlett-Packard facility) in Rancho Bernardo for $445 million. Its first commercial real estate purchase in San Diego, made with a single declared purpose, wireless chip and modem engineering, sited deliberately in Qualcomm's talent backyard.
This was not a satellite campus. It was the physical infrastructure of Apple's most consequential long-term technology bet, ending its dependence on Qualcomm for cellular modem chips, in the same city where Qualcomm built its dominance.
Apple's San Diego workforce is estimated at approximately 2,000, the core modem and wireless team that developed the C1, drawn from Qualcomm's talent pool and UCSD's graduate programs. In January 2024, Apple relocated 121 Siri and AI roles to Austin while explicitly retaining modem engineering in San Diego. The distinction matters: this is not a general technology office. It is Apple's semiconductor independence infrastructure, and it stayed when other functions moved.
Apple launched the iPhone 16e with the C1, managing cellular connectivity (mmWave and sub-6GHz 5G) entirely on Apple silicon. Not yet at full parity with Qualcomm's best modem, but in a shipping product. Apple has proven the capability. Successive generations will close the gap.
The C1's significance is not Apple versus Qualcomm. It is about what type of economy San Diego has become.
San Diego's technology economy was built on IP licensing: design the architecture, license it globally, collect royalties. Apple's C1 represents a second model: vertically integrated chip design, where the designer is also the chip's largest consumer. Both models require the same asset: the world's best semiconductor engineers. San Diego is building the infrastructure to support both.
For allied-nation investors evaluating where to place semiconductor R&D, the question is where talent concentration is deepest. Apple's $445 million campus is the signal: one of the world's most valuable companies chose San Diego and is producing modem chips designed to ship at massive scale. That signal draws the second and third investment.
The City's role is not to manage Apple's supply chain: it is to ensure the ecosystem around Apple (the UCSD talent pipeline, the testing companies that cluster around a chip design hub, the allied-nation investment interest drawn to Apple's engineering proximity) flows to San Diego rather than competing locations.10
Kneron is among the most internationally networked technology startups in San Diego, and the most instructive proof that the sector is becoming a design node in a genuinely global semiconductor supply chain, not just a royalty-collection economy.
Kneron develops neural processing units (NPUs), chips designed to run AI inference at the edge, locally on a device rather than in the cloud. Its KL1140 chip (November 2025) is the first NPU capable of running full Mamba large language model networks at the edge. Total funding: $226 million, with $300 million additional sought at approximately $1 billion valuation as of October 2024, pursuing a Nasdaq listing via SPAC.
Kneron's supply chain is the most internationally integrated of any San Diego semiconductor company:
Five countries, three continents, design anchor in San Diego.
Kneron's Riyadh subsidiary deserves particular attention.
The US has tightened export controls on advanced semiconductor technology to China across multiple rounds (2022, 2023, 2024). The GCC countries (Saudi Arabia, UAE, Qatar) are investing heavily in domestic technology capability as an alternative to Chinese dependence, competing for access to US-allied chip design expertise. Kneron's Saudi subsidiary is a bet that the Gulf becomes a significant market for US-allied edge AI chips as the technology bifurcation deepens.
This is strategic positioning most San Diego companies have not yet executed, reading the geopolitical landscape and building company structure to benefit from it.
The City's relationships with allied-nation technology ministries can accelerate this. The Philippine trade delegations, French research agreements, and South Korean Samsung relationship all build infrastructure through which a company like Kneron extends its reach.
Edge AI chips have direct defense applications: autonomous systems, sensor fusion, battlefield communications, counter-drone detection. Kneron's technology is inherently dual-use. As San Diego's defense AI cluster (Shield AI, HavocAI) grows, Kneron's NPUs become relevant to defense architectures, a commercial-defense intersection the City's engagement infrastructure is positioned to facilitate.11
ASML is Dutch, not a San Diego company in the way Apple or Kneron are. But it maintains one of its largest North American engineering operations here. ASML acquired Rancho-Bernardo-based Cymer for $3.7 billion in May 2013; that acquisition established the San Diego operating center at 17075 Thornmint Court. By 2017 the SD operation had grown 24.5 percent in headcount to 1,210 employees and occupied more than 566,000 square feet across multiple buildings. By mid-2022 the workforce had reached approximately 1,500, with another 10 to 15 percent growth planned that year.6 ASML occupies the most strategically irreplaceable position in the global semiconductor supply chain.
ASML is the sole manufacturer of extreme ultraviolet (EUV) lithography machines, the equipment that patterns circuits on semiconductor wafers at the most advanced nodes (7nm, 5nm, 3nm, 2nm and below). No EUV machine, no advanced chip. No advanced chip, no iPhone, no AI training at scale, no 5G modem, no hypersonic guidance system. Every advanced chip manufacturer (TSMC, Samsung, Intel) depends on ASML.
There is no second source. Three decades of development, an estimated $9 billion in cost before commercial production. No competitor has replicated it. ASML is the chokepoint of the global semiconductor supply chain.
ASML's San Diego operations are anchored at the former Cymer headquarters at 17075 Thornmint Court in Rancho Bernardo. Cymer continues to operate as an independent business unit within ASML, focused on deep-ultraviolet (DUV) light source development, manufacturing, and service. The Thornmint Court factory designs and manufactures the EUV droplet generator: the proprietary subassembly that creates the 13.5-nanometer light at the heart of every EUV machine ASML ships, each priced in the hundreds of millions of dollars. The component is third-generation, robust, San Diego-built, and irreplaceable.
The Mayor Gloria trade mission to the Netherlands in September 2022 met an institutional commitment that was already nine years deep. The mission produced three documented outcomes relevant to San Diego's technology sector by the end of 2024:
The first two outcomes are directly attributable to relationship time spent in 2022.7 The third is concrete in a different way: a private commercial developer broke ground on speculation in early 2023, betting that the structural commitment running underneath the trade mission would absorb new space. The bet paid out about a year and a half later when ASML moved in.
Read the full case study: Thriving Cities Deepened the Partnership →
The political economy of advanced semiconductors is being reshaped at a pace that makes most other technology transitions look slow. Key developments since 2022:
San Diego sits at the intersection: Qualcomm and Apple design chips here; TSMC and Samsung (both with SD R&D operations) fabricate them; ASML makes the machines that make fabrication possible. When the allied-nation semiconductor coalition meets (in Washington, The Hague, Tokyo, Seoul) the economic activity they are protecting has significant San Diego content.
The Netherlands mission is the most documented example of municipal international engagement producing technology sector outcomes in San Diego's recent history. The outcomes (TNO's first North American office, the Amsterdam nonstop ($30M annual economic benefit), ASML's sponsorship and Veldhoven delegation hosting) are sourced by WTCSD and confirmed by City press releases.
This is the model: a City-led trade mission creates the relationship occasion, produces measurable outcomes, deepens institutional commitments, and compounds through supply chain integration and talent attraction. The Amsterdam nonstop alone ($30 million per year from a single air route) is a measurable return on municipal international engagement.12
Qualcomm is the foundation. Its $38.96 billion in FY2024 revenue18 (a company record) is proof that San Diego's knowledge-export model works at global scale. The entire semiconductor ecosystem in this case study exists in part because Qualcomm proved it could be done from here.
With approximately 75 percent of revenue from customers outside the United States,18 Qualcomm is one of the most globally integrated technology companies in the country. The sector around it (Apple's modem engineering, Kneron's edge AI chips, ASML's semiconductor equipment) has the depth and diversity to anchor San Diego's technology economy through geopolitical change. Each new entrant broadens the base beyond single-company dependency.
The trade missions, allied-nation ministry relationships, and airport connectivity investments documented in this case study serve Qualcomm's interests and the broader sector's simultaneously. The stronger the ecosystem around Qualcomm, the more resilient San Diego's technology economy becomes.
The companies arrived independently. The talent base they share is what holds them together.
Defense-technology convergence amplifies all four steps: San Diego's defense AI cluster needs the same advanced chips the commercial sector builds, creating dual-use demand that no purely commercial or purely defense city can match.
The technology cluster presents a different City role than defense. In defense, the value is relationship framing. In technology, the value is supply chain integration: ensuring San Diego is on the consideration list when allied-nation coordination creates investment opportunities.
"Apple, Qualcomm, and ASML are global companies that operate in San Diego for their own reasons. The City of San Diego played no role in their decisions and has no influence over their future investments."
The response is specific. The Netherlands mission (September 2022) produced documented outcomes: TNO's first North American office in San Diego, the Amsterdam nonstop ($30 million annual economic benefit), and ASML's sponsorship and Veldhoven delegation hosting. The first two are sourced by WTCSD and City press releases. The third reflects a deepened institutional relationship.
The deeper point: global companies already have a business rationale for San Diego before the trade mission happens. What the mission does is create the relationship occasion, raise commitment ambition, and ensure that when ASML chooses between expanding in San Diego, Dresden, or Hillsboro, the City is the active partner rather than a passive bystander.
The technology sector's strength is its diversity: no single company or single market defines it. Three signals are worth monitoring:
Documented governance actions by peer technology regions. Not aspirational: specific programs with sourced outcomes.
San Diego has no equivalent cluster association. A "Silicon San Diego" model, requiring no public subsidy and only convening authority, could aggregate cluster voice and represent the semiconductor and defense-tech ecosystem to state and federal policymakers.
The evidence above is built from public sources. What it cannot capture is the perspective of the people closest to these decisions, and the institutional knowledge that determines which models translate and which do not. The questions below are designed to start that conversation.
| Category | Organizational Role |
|---|---|
| Semiconductor Primes | ASML San Diego Site Director; Samsung Semiconductor SD R&D Lab Director; Qualcomm VP Government Affairs |
| Edge AI / Startups | Kneron CEO; Apple SD Site Lead (Rancho Bernardo); Shield AI CTO (convergence perspective) |
| Chip 4 Consular | Netherlands, Japan, South Korea consular offices |
| University / Workforce | UCSD Jacobs School Dean; San Diego Community College District |
| Economic Development | WTCSD President; San Diego Regional EDC CEO; CONNECT San Diego CEO |
| # | Confidence Tier | Source |
|---|---|---|
| 3 | Estimated | 2022 reporting (UT-SD; 9to5Mac; AppleInsider); Apple does not disclose site-level headcount |
| 4 | Estimated | based on Qualcomm QCT segment reporting and analyst estimates; Apple is not broken out as a named customer in 10-K |
| 5 | Source-grounded | SDBJ "ASML Gives a Green Light to Cymer's R&D, Expansion" (Brad Graves, July 25, 2017): 1,210 employees by 2017, 24.5% growth since 2013, 566,000+ sqft across multiple buildings. SDBJ "ASML to Boost Staff, Fine-Tune Tech" (June 2022): ~1,500 with planned 10-15% growth. ASML does not consistently publish current SD-specific headcount |
| 6 | Source-grounded | SDBJ 2017 + 2022 reporting (see entry 5); ASML 2013 acquisition press release ("ASML Completes Acquisition of Cymer," May 2013); ASML corporate locations page (asml.com/en/company/about-asml/locations/san-diego) |
| 7 | Synthesized | causal attribution based on WTCSD Annual Report and City press releases documenting these outcomes as trade mission results; temporal proximity and organizational documentation support the link, though other contributing factors may exist |
| 8 | Estimated | Unify platform, 2025-2026 |
| 9 | Estimated | Unify platform, 2025-2026 |
| 10 | Source-grounded | campus purchase and stated purpose (San Diego Union-Tribune, July 2022; AppleInsider). C1 chip (MacRumors, February 2025; AppleInsider, March 2025). San Diego headcount (~2,000; last verified figure per 2022 reporting: UT-SD, 9to5Mac, AppleInsider; Apple does not disclose site-level headcount. 5,000-by-2026 target stated in Apple's own plans; not confirmed achieved. January 2024: Apple relocated 121 Siri/AI roles to Austin; modem engineering retained in San Diego: UT-SD, January 2024) |
| 11 | Source-grounded | total raised and supply chain partnerships (Bloomberg, October 2024; SiliconANGLE, November 2025). Riyadh subsidiary (Middle East AI News). KL1140 chip (SiliconANGLE, November 2025). FLAG: $1 billion valuation and Nasdaq listing are stated targets, not completed transactions |
| 12 | Synthesized | ATTRIBUTED for trade mission outcomes: TNO NA office and SAN-Amsterdam nonstop (WTCSD Annual Reports; City press releases). Via Del Campo Court II 55,227 sqft long-term lease and August 2024 move-in (Connect CRE; Commercial Property Executive; SDBJ real-estate coverage). Cymer 2013 acquisition closing $3.7B (ASML 2013 press release; SDBJ). Headcount trajectory 2017 to 2022 (SDBJ 2017 + SDBJ June 2022). ASML market position and allied-nation supply chain framing (ASML annual reports; Chip 4 Alliance public documentation; US-Netherlands export control coordination) |
| 13 | Source-grounded | C1 and campus (MacRumors, February 2025; AppleInsider, March 2025; San Diego Union-Tribune, July 2022). iteration trajectory: consistent with Apple's established product development pattern but no announced timeline for next-gen modem; projection horizon: 2-3 product cycles (~3-5 years) |
| 14 | Synthesized | from policy developments (CHIPS Act text; EU Chips Act; Chip 4 Alliance public documentation; TSMC Arizona/Samsung Texas investment announcements). CHIPS Act and Chip 4 (US Congress; European Commission; allied-nation government statements) |
| 15 | Synthesized | The convergence is structural; it is not yet measurable in joint contracts or shared procurement |
| 16 | Synthesized | compounding thesis (WTCSD Annual Reports; City press releases; SDBJ; company announcements, pattern observed across documented cluster entries). individual attributions (WTCSD Annual Reports; City press releases; Samsung SD office, sandiegobusiness.org; Apple campus, UT-SD) |
| 17 | Synthesized | Disclosure-cadence framing (SDBJ 2017 + 2022 reporting establishes a 2017 to mid-2022 trajectory; no consistent post-2022 SD-specific headcount disclosure from ASML). Continued-growth signal anchored on Via Del Campo Court II 55,227 sqft long-term lease (Connect CRE; Commercial Property Executive) |
| 18 | Source-grounded | Qualcomm FY2024 10-K |
| 19 | Source-grounded | peer data (Samsung/TSMC investment announcements; GPEC; Governor Abbott press release; Governor Hobbs press release). framing (design-vs-fabrication distinction is analytical; San Diego's design-node position derived from Qualcomm 10-K, Apple campus investment, ASML R&D presence) |
| 1 | Source-grounded | CBRE Scoring Tech Talent Report 2024 (underlying data: BLS Occupational Employment and Wage Statistics, ~2023 data) |
| 2 | Source-grounded | PitchBook/NVCA Q4 2024 Venture Monitor; San Diego Union-Tribune, January 21, 2025 |
Apple
Kneron
ASML
Qualcomm
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