Best Semiconductors Companies in CA, United States
The 43 best Semiconductors companies in CA, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals.
Our analysis of 69 Semiconductors companies
$22.3b in tracked funding; 88% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Semiconductors companies in CA
| # | Company | Disclosed funding | Employees | Founded | Tech stack | Web popularity | SEO maturity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Avago Broadcom Limited (NASDAQ: AVGO) is a leading designer, developer and global supplier of a broad range of… | — | 1,940 | 2005 | — | — | — | 19 patents Patents concentrated in computing, sensing & instrumentation | — |
| 2 | USTC Since 1995, USTC solutions have been integrated into microprocessor tests, validation processes, and design… | — | 358 | 1995 | — | — | — | — | — |
| 3 | ASYMTEK Nordson ASYMTEK, a world leader in precision automated fluid dispensing, conformal coating, and jetting… | — | 338 | — | — | — | — | — | — |
| 4 | Astronics Test Systems Astronics Test Systems verifies performance of the world’s most critical electronics with a complete line… | — | 226 | — | — | — | — | — | 1 job opening |
| 5 | Motion picture costumers local 705 MOTION PICTURE COSTUME COMPANY is a company based out of 3811 Valhalla Dr, Burbank, California, United States. | — | 172 | — | — | — | — | — | — |
| 6 | Innovative Micro Technology Innovative Micro Technology is a leading MEMS manufacturing partner that combines cooperative design services… | — | 164 | 2000 | — | — | — | 184 patents Advanced MEMS/wafer-level packaging, hermetic bonding, TSVs, and micro‑optics integration | — |
| 7 | Testing House Testing House is a global enterprise established in 1992. | — | 137 | 1992 | — | — | — | — | — |
| 8 | Global Engineering Services This company is currently providing electronics based system level design and ASIC design services. | — | 102 | — | — | — | — | 277 patents Patents concentrated in construction | — |
Top 1 Semiconductors companies in CA
#1
Public · San Jose, CA · founded 2005 · 1940 employees—raised▾
Broadcom Limited (NASDAQ: AVGO) is a leading designer, developer and global supplier of a broad range of analog and digital semiconductor connectivity solutions. Broadcom Limited's extensive product portfolio serves four primary end markets: wired infrastructure, wireless communications, enterprise storage and industrial & other. Applications for our products in these end markets include: data center networking, home connectivity, broadband access, telecommunications equipment, smartphones and base stations, data center servers and storage, factory automation, power generation and alternative energy systems, and displays. For more information, go to www.broadcom.com.
Funding & investor landscape
Market landscape — 10 sub-themes by coverage
Share of Semiconductors coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Semiconductors in CA is moving
A read on the academic research around Semiconductors in CA — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 5,470 papers.
- Chinese Academy of Sciences402
- Nanyang Technological University172
- University of California, Santa Barbara162
- University of Chinese Academy of Sciences138
- Carnegie Mellon University113
- Photonics42→97
- Transistor45→96
- Voltage20→52
- Photonic integrated circuit44→75
- Detector28→55
- Artificial neural network3→25
- Detector20→42
- Power (physics)50→68
- Photonics48→64
- Circuit design10→23
- Hardware security module2→9
- Electronics12→18
- Photonics8→14
- Semiconductor device9→14
- Power (physics)7→11
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.